Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
240
FNUS56 KPDT 282151
FWFPDT
Fire Weather Planning Forecast for NE Oregon and SE Washington
National Weather Service Pendleton OR
251 PM PDT Sun Sep 28 2025
.DISCUSSION...Fire weather conditions remain limited throughout
the week as an approaching front passes through the area Monday
afternoon. Upcoming weather pattern will bring wide coverage
shower chances Monday into Tuesday, with slight chances of
thunderstorms for parts of the Eastern Mountains and East Slopes.
Pressure gradients will bring breezy winds through parts of
Central OR, Simcoe Highlands, and the Cascade Gaps. RH will
improve with Good to Excellent recovery through the week.
***Winds are 20 foot 10 minute averages***
***CWR-chance of wetting rain 0.10 or greater***
***Ventilation Index is derived from the
transport wind multiplied by the mixing
height in 100`s of feet. Index categories
are a generalized indicator and users are
encourage to develop criteria that are
suitable and representative of dispersion
conditions in their local area of interest.***
Note: Max transport winds may not occur
at the same time as max mixing height.
WAZ695-291130-
East Washington South Central Cascade Mountains-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Areas of smoke in the evening.
Hazy. A slight chance of showers after midnight.
* Min temperature.....47-54.
* Max humidity........66-81 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 1 to 6 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (39-165) decreasing to poor (25-99)
after midnight.
.MONDAY...
* Sky/weather.........Cloudy. Hazy. A chance of showers.
* Max temperature.....61-68...except 52-60 ridges.
* Min humidity........48-62 percent...except 60-75 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 3 to
8 mph in the afternoon.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......5500 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor to fair (25-211) increasing to fair to
good (279-633) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Hazy and patchy smoke in the
evening. Showers in the evening, then a chance of showers after
midnight.
* Min temperature.....40-46.
* Max humidity........81-96 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................30 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (40-180) decreasing to poor (25-86)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....58-65...except 49-57 ridges.
* Min humidity........42-52 percent...except 50-63 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 3 to
8 mph in the afternoon.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor (25-72) increasing to fair to good
(434-656) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers and a slight chance of thunderstorms. Lows
41 to 46. Highs 48 to 61. South winds 2 to 7 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 38 to
44. Highs 47 to 60. Southwest winds 1 to 6 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 38 to 45.
Highs 49 to 62. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a chance of showers. Lows 37 to
43. Highs 50 to 63. Northwest winds 2 to 7 mph.
.SUNDAY...A slight chance of showers. Partly cloudy. Lows 36 to
41. Highs 53 to 65. North winds 2 to 7 mph.
$$
WAZ690-291130-
Kittitas Valley-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy.
* Min temperature.....52-58.
* Max humidity........57-72 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 2 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (52-104) decreasing to poor (26-64)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. Hazy in the morning. A slight
chance of showers in the morning, then a chance of showers in the
afternoon.
* Max temperature.....69-75...except 60-70 ridges.
* Min humidity........43-53 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 4 to
9 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....Southwest around 10 mph increasing to south
around 20 mph in the afternoon.
* Ventilation Index...Poor (25-62) increasing to good (516-678) in
the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening. Showers
likely in the evening, then a chance of showers after midnight.
* Min temperature.....46-52.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 4 to 10 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 5 to 11 mph in the evening
becoming light winds less than 5 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (65-145) decreasing to poor (27-69)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy. A chance of showers.
* Max temperature.....64-70...except 55-65 ridges.
* Min humidity........42-49 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 4 to
10 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....West around 5 mph increasing to south around
15 mph in the afternoon.
* Ventilation Index...Poor (25-47) increasing to good (500-634) in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers likely. Lows 45 to 52. Highs 61 to 68. South
winds 4 to 9 mph.
.THURSDAY...A chance of showers. Partly cloudy. Lows 42 to 48.
Highs 59 to 66. Southwest winds 4 to 9 mph.
.FRIDAY...A chance of showers. Mostly cloudy. Lows 43 to 49.
Highs 62 to 69. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 47. Highs 62 to 69. Northwest winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 41 to 46. Highs 62 to 68. North
winds 2 to 7 mph.
$$
WAZ694-291130-
Yakama Alpine District-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. A slight chance of showers
after midnight.
* Min temperature.....47-54.
* Max humidity........71-86 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor (79-187) decreasing to poor (25-81)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers in the
morning, then showers likely in the afternoon.
* Max temperature.....63-72...except 54-65 ridges.
* Min humidity........49-64 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......5000 ft agl.
* Transport winds.....Southwest 10 to 15 mph.
* Ventilation Index...Poor (30-140) increasing to fair to good
(259-597) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....39-47.
* Max humidity........83-98 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor (74-194) decreasing to poor (25-73)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....60-68...except 50-61 ridges.
* Min humidity........45-60 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 3 to 8 mph.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....Southwest around 5 mph increasing to south
around 15 mph in the afternoon.
* Ventilation Index...Poor (25-61) increasing to fair to good
(378-654) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers. Lows 41 to 48. Highs 51 to 63. Southwest
winds 3 to 8 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 39 to
46. Highs 50 to 62. Southwest winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 40 to 47.
Highs 54 to 65. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
36 to 44. Highs 55 to 66. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 36 to 43. Highs 55 to 67. Northeast
winds 1 to 5 mph.
$$
ORZ691-WAZ691-291130-
Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy.
* Min temperature.....53-58.
* Max humidity........60-75 percent.
* Humidity recovery...Good...except Moderate ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (25-111) decreasing to poor (25-52)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers in the
afternoon.
* Max temperature.....73-80...except 68-75 ridges.
* Min humidity........37-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....Southwest 10 to 15 mph.
* Ventilation Index...Poor (25-67) increasing to poor to good
(149-625) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....49-54.
* Max humidity........84-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 4 to 9 mph.
* Ridges/upr slopes....Southwest winds 4 to 9 mph.
* CWR.................30 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor (83-187) decreasing to poor (25-71)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers.
* Max temperature.....69-75...except 63-70 ridges.
* Min humidity........39-50 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 3 to 8 mph.
* Ridges/upr slopes....Southwest winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (25-49) increasing to fair to excellent
(295-733) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 49 to
54. Highs 66 to 73. Southwest winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 45 to
50. Highs 63 to 70. Southwest winds 4 to 9 mph.
.FRIDAY...A slight chance of showers. Mostly cloudy. Lows 45 to
50. Highs 64 to 70. Southwest winds 4 to 9 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
43 to 48. Highs 64 to 69. West winds 4 to 9 mph.
.SUNDAY...Partly cloudy. Lows 41 to 46. Highs 64 to 69. Northwest
winds 2 to 7 mph.
$$
ORZ692-WAZ692-291130-
Northern Blue Mountains of Oregon-Blue Mountains of Washington-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy.
* Min temperature.....51-58.
* Max humidity........44-59 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South around 5 mph.
* Ventilation Index...Poor (25-57).
.MONDAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the afternoon.
* Max temperature.....70-78...except 63-68 ridges.
* Min humidity........34-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 6 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming south 2 to 6
mph in the afternoon.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor (37-127) increasing to fair to excellent
(436-710) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely.
* Min temperature.....47-52.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................70 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (65-181) decreasing to poor (25-58)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
* Max temperature.....63-72...except 56-62 ridges.
* Min humidity........40-55 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 1 to 6 mph.
* Ridges/upr slopes....South winds 1 to 6 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor (25-85) increasing to good to excellent
(536-866) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 46 to
52. Highs 57 to 68. South winds 2 to 7 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 42 to
48. Highs 55 to 65. South winds 1 to 5 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
41 to 47. Highs 52 to 62. West winds 2 to 7 mph.
.SATURDAY...A slight chance of showers. Mostly cloudy. Lows 39 to
45. Highs 50 to 61. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 36 to 43. Highs 53 to 63. Northwest
winds 1 to 6 mph.
$$
ORZ693-WAZ693-291130-
Canyon Grasslands of Wallowa County-
Southeast Washington Grande Ronde Valley-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....50-59.
* Max humidity........45-60 percent...except 42-47 percent ridges.
* Humidity recovery...Moderate...except Poor ridges.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 4 to 9 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (25-127) decreasing to poor (25-103)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the afternoon.
* Max temperature.....70-78...except 63-71 ridges.
* Min humidity........32-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor (25-174) increasing to good to excellent
(530-868) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers.
* Min temperature.....44-54.
* Max humidity........81-96 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................70 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor to fair (82-244) decreasing to poor
(25-97) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
* Max temperature.....63-71...except 56-64 ridges.
* Min humidity........40-49 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 4 to 9 mph.
* CWR.................10 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......9000 ft agl.
* Transport winds.....South around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Poor (25-133) increasing to good to excellent
(572-938) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 42 to
52. Highs 59 to 68. South winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with showers likely. Lows 40 to 49.
Highs 57 to 66. Southwest winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 37 to 48.
Highs 54 to 63. West winds 1 to 5 mph.
.SATURDAY...Mostly cloudy with a chance of showers. Lows 35 to
45. Highs 52 to 61. West winds 1 to 6 mph.
.SUNDAY...Partly cloudy. Lows 33 to 42. Highs 53 to 63. North
winds 1 to 5 mph.
$$
ORZ701-291130-
Eastern Columbia River Gorge of Oregon-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....52-57.
* Max humidity........76-91 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph. In the eastern
Columbia River Gorge, west winds 2 to 7 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (65-177) decreasing to poor (25-66)
after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A chance of showers in the morning,
then showers likely in the afternoon.
* Max temperature.....68-73.
* Min humidity........50-65 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Winds west 1 to 5 mph in the afternoon.
Upslope less than 5 mph. In the eastern Columbia River Gorge,
winds northwest 2 to 5 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......4000 ft agl.
* Transport winds.....South around 5 mph increasing to southwest
around 15 mph in the afternoon.
* Ventilation Index...Poor (25-46) increasing to poor to fair
(166-394) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....44-50.
* Max humidity........87-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph. In the eastern
Columbia River Gorge, west winds 2 to 7 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................40 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (62-186) decreasing to poor (25-64)
after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....66-71.
* Min humidity........45-60 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South 5 to 10 mph.
* Ventilation Index...Poor (25-44) increasing to fair to good
(230-576) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers and a slight chance of thunderstorms. Lows
46 to 52. Highs 63 to 68. Southwest winds 1 to 5 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 44 to
49. Highs 61 to 66. Terrain driven winds less than 5 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 45 to 50.
Highs 64 to 69. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
42 to 47. Highs 63 to 68. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 41 to 46. Highs 64 to 69. North
winds 2 to 7 mph.
$$
ORZ702-291130-
East Slopes of the Mt. Hood National Forest-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....48-54.
* Max humidity........68-83 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph.
* Ridges/upr slopes....light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West around 10 mph.
* Ventilation Index...Poor (44-150) decreasing to poor (25-56)
after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A chance of showers in the morning,
then showers likely in the afternoon.
* Max temperature.....65-72...except 58-67 ridges.
* Min humidity........45-54 percent...except 51-65 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................30 percent.
* Chc of lightning....0 percent.
* Mixing height.......4000 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Poor (25-89) increasing to fair to good
(254-500) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....41-47.
* Max humidity........82-97 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 1 to 6 mph in the evening
becoming light winds less than 5 mph.
* CWR.................50 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 10 to 15 mph.
* Ventilation Index...Poor to fair (50-208) decreasing to poor
(25-66) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....63-70...except 56-64 ridges.
* Min humidity........42-55 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph.
* Ridges/upr slopes....light less than 5 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor (25-61) increasing to fair to excellent
(485-775) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers and a slight chance of thunderstorms. Lows
42 to 49. Highs 53 to 66. Terrain driven winds less than 5 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 40 to
47. Highs 51 to 64. Terrain driven winds less than 5 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 41 to 48.
Highs 54 to 67. Terrain driven winds less than 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
39 to 45. Highs 54 to 66. Terrain driven winds less than 5 mph.
.SUNDAY...Partly cloudy. Lows 38 to 44. Highs 54 to 66. Terrain
driven winds less than 5 mph.
$$
ORZ695-291130-
Eagle Cap Wilderness-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....52-57...except 46-53 ridges.
* Max humidity........47-60 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (25-136) decreasing to poor (25-106)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the morning. A chance of showers in the afternoon.
* Max temperature.....65-75...except 53-63 ridges.
* Min humidity........36-48 percent...except 47-58 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor to fair (26-200) increasing to fair to
excellent (420-820) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers and a slight chance of
thunderstorms in the evening, then showers likely after midnight.
* Min temperature.....45-52...except 39-47 ridges.
* Max humidity........85-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................80 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor to fair (37-219) decreasing to poor
(25-101) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy. A chance of showers. A slight
chance of thunderstorms in the afternoon.
* Max temperature.....58-68...except 46-56 ridges.
* Min humidity........40-55 percent...except 56-71 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 11 mph.
* Ridges/upr slopes....South winds 5 to 11 mph.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......8000 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor (25-177) increasing to fair to excellent
(395-849) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 39 to
48. Highs 47 to 62. South winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 37 to
46. Highs 47 to 62. South winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
34 to 43. Highs 44 to 58. Northwest winds 1 to 6 mph.
.SATURDAY...Mostly cloudy with a slight chance of rain and snow
showers. Lows 32 to 41. Highs 43 to 58. Northwest winds 2 to
6 mph.
.SUNDAY...Partly cloudy. Lows 30 to 38. Highs 45 to 59. North
winds 1 to 5 mph.
$$
ORZ694-291130-
Grande Ronde Valley of Oregon-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....48-54.
* Max humidity........55-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (104-184) decreasing to poor (47-103)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A slight chance of showers in
the afternoon.
* Max temperature.....73-78.
* Min humidity........36-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 9 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Poor (84-184) increasing to excellent
(865-1031) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers and a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight.
* Min temperature.....46-51.
* Max humidity........94-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 9 mph.
* Ridges/upr slopes....South winds 4 to 9 mph.
* CWR.................80 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor to fair (147-255) decreasing to poor
(62-118) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
* Max temperature.....68-73.
* Min humidity........35-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 6 to 12 mph. Gusts to 25 mph in
the afternoon.
* Ridges/upr slopes....South winds 7 to 13 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Poor (96-192) increasing to excellent
(840-1026) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 43 to
48. Highs 63 to 68. South winds 5 to 11 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 40 to
45. Highs 63 to 68. South winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
37 to 42. Highs 60 to 65. Northwest winds 1 to 6 mph.
.SATURDAY...A slight chance of showers. Mostly cloudy. Lows 36 to
41. Highs 58 to 63. Northwest winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 33 to 38. Highs 60 to 65. Northwest
winds 2 to 7 mph.
$$
ORZ699-291130-
Western Forested Blue Mountains-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....48-54.
* Max humidity........53-65 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...Drainage winds less than 5 mph becoming
south 1 to 5 mph after midnight.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (50-196) decreasing to poor (25-78)
after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers in the
afternoon.
* Max temperature.....68-73...except 60-68 ridges.
* Min humidity........37-48 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......6500 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor (44-156) increasing to good to excellent
(576-866) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers and a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight.
* Min temperature.....42-48.
* Max humidity........84-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................70 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (59-159) decreasing to poor (25-60)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
* Max temperature.....62-68...except 55-63 ridges.
* Min humidity........36-47 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......9500 ft agl.
* Transport winds.....South around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Poor (25-112) increasing to excellent
(860-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 41 to
47. Highs 54 to 63. South winds 3 to 8 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 38 to
44. Highs 53 to 62. Terrain driven winds less than 5 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
37 to 43. Highs 51 to 60. Terrain driven winds less than 5 mph.
.SATURDAY...A slight chance of showers. Partly cloudy. Lows 34 to
41. Highs 50 to 59. West winds 1 to 5 mph.
.SUNDAY...Partly cloudy. Lows 33 to 38. Highs 51 to 60. Terrain
driven winds less than 5 mph.
$$
ORZ696-291130-
John Day Valley-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Hazy.
* Min temperature.....50-55.
* Max humidity........56-66 percent.
* Humidity recovery...Moderate.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 6 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (91-259) decreasing to poor
(25-108) after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers in the
afternoon.
* Max temperature.....68-76...except 63-68 ridges.
* Min humidity........37-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor (60-190) increasing to excellent
(776-1032) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....44-50.
* Max humidity........77-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................50 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (89-213) decreasing to poor
(25-67) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy. A slight chance of showers.
* Max temperature.....64-72...except 60-65 ridges.
* Min humidity........31-38 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 10 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....South around 10 mph increasing to around 25
mph in the afternoon.
* Ventilation Index...Poor (30-128) increasing to excellent
(1027-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 44 to 50. Highs 61 to 69. South
winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 40 to
46. Highs 59 to 67. South winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
39 to 45. Highs 57 to 65. West winds 1 to 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
37 to 43. Highs 57 to 65. West winds 1 to 5 mph.
.SUNDAY...Partly cloudy. Lows 35 to 40. Highs 58 to 66. North
winds 1 to 5 mph.
$$
ORZ700-291130-
Central Mountains of Oregon-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy.
* Min temperature.....46-54.
* Max humidity........65-79 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (93-313) decreasing to poor
(25-84) after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A chance of showers in the afternoon.
* Max temperature.....66-73...except 60-65 ridges.
* Min humidity........42-51 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph increasing to 9 to 15
mph in the afternoon.
* Ridges/upr slopes....South winds 3 to 8 mph increasing to 9 to 15
mph in the afternoon.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7500 ft agl.
* Transport winds.....South around 15 mph increasing to around 25
mph in the afternoon.
* Ventilation Index...Poor (77-191) increasing to excellent
(892-1050) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a slight chance of showers after midnight.
* Min temperature.....39-47.
* Max humidity........82-96 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 4 to 9 mph.
* Ridges/upr slopes....South winds 4 to 9 mph.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (113-273) decreasing to poor
(25-66) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy. A slight chance of showers in
the afternoon.
* Max temperature.....63-69...except 58-63 ridges.
* Min humidity........33-41 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph increasing to 8 to 14
mph with gusts up to 25 mph in the afternoon.
* Ridges/upr slopes....South winds 6 to 12 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......10000 ft agl.
* Transport winds.....South around 10 mph increasing to southwest
around 25 mph in the afternoon.
* Ventilation Index...Poor (41-149) increasing to excellent
(996-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Lows 39 to 47. Highs 60 to 66. South
winds 6 to 12 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 35 to
43. Highs 58 to 65. Southwest winds 4 to 9 mph.
.FRIDAY...A slight chance of showers. Mostly cloudy. Lows 32 to
43. Highs 57 to 65. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy. Lows 31 to 40. Highs 58 to 65. West
winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 29 to 38. Highs 59 to 65. North
winds 2 to 7 mph.
$$
ORZ703-291130-
Warm Springs Reservation-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....51-56.
* Max humidity........66-75 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 2 to 7 mph in the evening
becoming light winds less than 5 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....West 5 to 10 mph.
* Ventilation Index...Poor (64-150) decreasing to poor (25-45)
after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A slight chance of showers in the
morning, then showers likely in the afternoon.
* Max temperature.....67-75...except 56-65 ridges.
* Min humidity........42-53 percent...except 52-67 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2
to 7 mph in the afternoon.
* Ridges/upr slopes....light less than 5 mph becoming southwest 2
to 6 mph in the afternoon.
* CWR.................20 percent.
* Chc of lightning....0 percent.
* Mixing height.......6000 ft agl.
* Transport winds.....South around 5 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Poor (25-86) increasing to fair to good
(412-690) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....43-49.
* Max humidity........80-90 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....West winds 3 to 8 mph in the evening
becoming light winds less than 5 mph.
* CWR.................40 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor to fair (80-214) decreasing to poor
(25-44) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....64-71...except 53-62 ridges.
* Min humidity........38-47 percent...except 47-61 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming south 3 to
7 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....South around 5 mph increasing to around 15
mph in the afternoon.
* Ventilation Index...Poor (25-48) increasing to good to excellent
(644-862) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers and a slight chance of thunderstorms. Lows
44 to 49. Highs 57 to 68. Southwest winds 2 to 7 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 42 to
47. Highs 56 to 67. Southwest winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 43 to 48.
Highs 58 to 68. West winds 2 to 7 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
41 to 46. Highs 58 to 68. West winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 39 to 44. Highs 58 to 67. North
winds 2 to 7 mph.
$$
ORZ704-291130-
Northern Deschutes National Forest-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....44-51.
* Max humidity........69-84 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 5 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest 5 to 10 mph.
* Ventilation Index...Poor (55-157) decreasing to poor (25-58)
after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A chance of showers in the morning,
then showers likely and a slight chance of thunderstorms in the
afternoon.
* Max temperature.....65-71...except 53-63 ridges.
* Min humidity........44-53 percent...except 55-70 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 4
to 9 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 2 to 7 mph.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......6500 ft agl.
* Transport winds.....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
* Ventilation Index...Poor (38-136) increasing to fair to excellent
(455-791) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely in the evening,
then a chance of showers after midnight.
* Min temperature.....37-43.
* Max humidity........84-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 2 to 7 mph in the evening
becoming drainage winds less than 5 mph.
* Ridges/upr slopes....Southwest winds 4 to 10 mph.
* CWR.................40 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest 10 to 15 mph.
* Ventilation Index...Poor to fair (111-279) decreasing to poor
(25-60) after midnight.
.TUESDAY...
* Sky/weather.........Partly cloudy then becoming mostly cloudy. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
* Max temperature.....63-68...except 50-60 ridges.
* Min humidity........36-46 percent...except 47-62 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 3
to 7 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 4 to 10 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....Southwest around 10 mph increasing to around
20 mph in the afternoon.
* Ventilation Index...Poor (25-75) increasing to excellent
(725-965) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers and a slight chance of thunderstorms. Lows
38 to 44. Highs 50 to 64. Southwest winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 35 to
42. Highs 50 to 63. Southwest winds 3 to 8 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Lows 35 to 42.
Highs 51 to 65. West winds 1 to 6 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
33 to 40. Highs 53 to 66. West winds 2 to 7 mph.
.SUNDAY...Mostly clear. Lows 32 to 38. Highs 53 to 65. Northeast
winds 1 to 6 mph.
$$
ORZ705-291130-
Southern Deschutes National Forest-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Mostly cloudy. Hazy in the evening.
* Min temperature.....42-48.
* Max humidity........76-91 percent.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 2 to 7 mph.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (137-289) decreasing to poor
(35-93) after midnight.
.MONDAY...
* Sky/weather.........Cloudy. A slight chance of showers in the
morning, then showers likely and a slight chance of thunderstorms
in the afternoon.
* Max temperature.....63-68...except 53-60 ridges.
* Min humidity........46-56 percent...except 54-69 percent ridges.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 11 mph.
* Ridges/upr slopes....South winds 5 to 11 mph.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......6000 ft agl.
* Transport winds.....South around 15 mph increasing to southwest
around 25 mph in the afternoon.
* Ventilation Index...Poor to fair (132-274) increasing to
excellent (750-1050) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely and a slight
chance of thunderstorms in the evening, then a chance of showers
after midnight.
* Min temperature.....34-40.
* Max humidity........90-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 3 to 8 mph.
* Ridges/upr slopes....Southwest winds 3 to 8 mph.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....Southwest 10 to 15 mph.
* Ventilation Index...Poor to fair (130-248) decreasing to poor
(35-115) after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy. A chance of showers in the
afternoon.
* Max temperature.....59-64...except 50-58 ridges.
* Min humidity........38-52 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 6 to 12 mph.
* Ridges/upr slopes....South winds 6 to 12 mph.
* CWR.................10 percent.
* Chc of lightning....0 percent.
* Mixing height.......7000 ft agl.
* Transport winds.....South around 15 mph increasing to southwest
around 25 mph in the afternoon.
* Ventilation Index...Poor (62-180) increasing to excellent
(907-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Showers likely and a slight chance of thunderstorms.
Lows 35 to 41. Highs 52 to 61. South winds 5 to 11 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 31 to
38. Highs 51 to 60. Southwest winds 2 to 7 mph.
.FRIDAY...Mostly cloudy with a slight chance of showers. Lows
30 to 37. Highs 53 to 61. Terrain driven winds less than 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Lows
28 to 36. Highs 55 to 63. Terrain driven winds less than 5 mph.
.SUNDAY...Mostly clear. Lows 25 to 34. Highs 55 to 62. Northeast
winds 1 to 5 mph.
$$
ORZ697-291130-
Central Blue Mountains-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....43-50.
* Max humidity........65-80 percent.
* Humidity recovery...Good.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....South 10 to 15 mph.
* Ventilation Index...Poor to fair (129-287) decreasing to poor
(25-88) after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. A chance of showers and a
slight chance of thunderstorms in the afternoon.
* Max temperature.....64-69...except 59-65 ridges.
* Min humidity........47-55 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................30 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......6000 ft agl.
* Transport winds.....South 15 to 20 mph.
* Ventilation Index...Poor (51-157) increasing to good to excellent
(505-865) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers and a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight.
* Min temperature.....38-44.
* Max humidity........86-100 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 2 to 7 mph.
* Ridges/upr slopes....South winds 2 to 7 mph.
* CWR.................70 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (56-184) decreasing to poor (25-69)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy. A
slight chance of showers in the morning.
* Max temperature.....60-65...except 54-61 ridges.
* Min humidity........38-44 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 10 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8500 ft agl.
* Transport winds.....South around 15 mph increasing to southwest
around 25 mph in the afternoon.
* Ventilation Index...Poor (44-170) increasing to excellent
(848-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 36 to
44. Highs 53 to 60. South winds 4 to 9 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows 34 to
41. Highs 52 to 59. Southwest winds 2 to 7 mph.
.FRIDAY...A slight chance of showers. Mostly cloudy. Lows 32 to
39. Highs 50 to 57. Northwest winds 1 to 5 mph.
.SATURDAY...Partly cloudy. Lows 31 to 36. Highs 51 to 58.
Northwest winds 1 to 5 mph.
.SUNDAY...Partly cloudy. Lows 28 to 35. Highs 52 to 59. North
winds 1 to 5 mph.
$$
ORZ698-291130-
Southern Blue Mountains-
251 PM PDT Sun Sep 28 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....44-49.
* Max humidity........74-89 percent...except 70-78 percent ridges.
* Humidity recovery...Excellent...except Good ridges.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......Near surface.
* Transport winds.....Southwest around 10 mph.
* Ventilation Index...Poor to fair (164-312) decreasing to poor
(29-81) after midnight.
.MONDAY...
* Sky/weather.........Mostly cloudy. Showers likely and a slight
chance of thunderstorms in the afternoon.
* Max temperature.....64-70.
* Min humidity........47-57 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 10 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................40 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......5500 ft agl.
* Transport winds.....South around 10 mph increasing to around 20
mph in the afternoon.
* Ventilation Index...Poor (51-131) increasing to fair to excellent
(490-842) in the afternoon.
.MONDAY NIGHT...
* Sky/weather.........Mostly cloudy. Showers likely and a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
* Min temperature.....39-44.
* Max humidity........88-99 percent.
* Humidity recovery...Excellent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 3 to 8 mph.
* Ridges/upr slopes....South winds 3 to 8 mph.
* CWR.................60 percent.
* Chc of lightning....20 percent (slight chance).
* Mixing height.......Near surface.
* Transport winds.....South around 10 mph.
* Ventilation Index...Poor (48-192) decreasing to poor (25-58)
after midnight.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming partly cloudy.
* Max temperature.....61-67.
* Min humidity........32-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 4 to 10 mph.
* Ridges/upr slopes....South winds 4 to 10 mph.
* CWR.................0 percent.
* Chc of lightning....0 percent.
* Mixing height.......8000 ft agl.
* Transport winds.....South around 10 mph increasing to southwest
around 25 mph in the afternoon.
* Ventilation Index...Poor (44-146) increasing to excellent
(959-1050) in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows 38 to
43. Highs 57 to 63. Southwest winds 5 to 11 mph.
.THURSDAY...Mostly cloudy with a slight chance of showers. Lows
35 to 40. Highs 56 to 62. Southwest winds 4 to 9 mph.
.FRIDAY...Partly cloudy. Lows 32 to 37. Highs 55 to 61. Northwest
winds 2 to 7 mph.
.SATURDAY...Partly cloudy. Lows 31 to 36. Highs 56 to 62.
Northwest winds 2 to 7 mph.
.SUNDAY...Partly cloudy. Lows 29 to 34. Highs 55 to 61. North
winds 2 to 7 mph.
$$
.8-14 DAY OUTLOOK for Monday October 6 through Sunday October 12...
A greater chance of near normal temperatures and precipitation.
$$