


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
429 FNUS56 KPDT 121215 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 515 AM PDT Sun Oct 12 2025 .DISCUSSION...Another round of widespread precipitation is expected today, with wetting rains expected for the vast majority of the forecast area. The Cascades above 4000 feet and the eastern mountains above 5000 feet are even expected to receive accumulating snow through Monday. Cooler temperatures will then prevail through the work week, with intermittent precip chances across the mountains, before widespread precip chances return by next weekend. ***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. WAZ695-122315- East Washington South Central Cascade Mountains- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers in the morning. Snow showers likely. Showers likely in the afternoon. * Max temperature.....42-49...except 33-41 ridges. * Min humidity........56-71 percent...except 70-85 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (91-349) increasing to fair to good (215-513) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. Showers in the evening. Snow showers. Showers likely after midnight. * Min temperature.....26-33. * Max humidity........86-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph becoming northeast 1 to 5 mph after midnight. * Ridges/upr slopes....light winds less than 5 mph becoming east 3 to 8 mph after midnight. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....East around 5 mph increasing to around 15 mph after midnight. * Ventilation Index...Poor (25-52) increasing to poor (37-195) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers likely in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....39-48...except 31-40 ridges. * Min humidity........57-72 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 5 to 11 mph. * Ridges/upr slopes....Northeast winds 5 to 11 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....Northeast around 20 mph. * Ventilation Index...Poor to fair (94-368) increasing to poor to good (195-531) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows 26 to 32. Highs 43 to 57. Northeast winds 2 to 7 mph. .WEDNESDAY...Mostly clear. Lows 29 to 36. Highs 45 to 58. Northwest winds 1 to 6 mph. .THURSDAY...Mostly clear with a slight chance of showers. Lows 30 to 36. Highs 43 to 57. West winds 4 to 9 mph. .FRIDAY...A chance of rain and snow showers. Mostly cloudy. Lows 33 to 40. Highs 43 to 55. West winds 4 to 9 mph. .SATURDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 31 to 37. Highs 43 to 55. South winds 2 to 7 mph. $$ WAZ690-122315- Kittitas Valley- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of showers. * Max temperature.....48-55...except 39-49 ridges. * Min humidity........52-64 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor to fair (72-200) increasing to fair to good (334-530) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Showers likely in the evening, then showers and a slight chance of heavy snow showers after midnight. * Min temperature.....34-39...except 27-35 ridges. * Max humidity........87-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 4 to 10 mph. * Ridges/upr slopes....Northeast winds 2 to 7 mph increasing to 8 to 14 mph after midnight. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....North around 5 mph increasing to northeast around 15 mph after midnight. * Ventilation Index...Poor (25-99) increasing to poor to fair (106-236) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers in the morning, then a slight chance of rain and snow showers in the afternoon. * Max temperature.....44-51...except 34-46 ridges. * Min humidity........50-61 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 13 to 19 mph. * Ridges/upr slopes....Northeast winds 13 to 19 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....Northeast around 25 mph. * Ventilation Index...Fair to good (239-513) increasing to fair to excellent (438-776) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 30 to 38. Highs 52 to 58. North winds 7 to 13 mph. .WEDNESDAY...Mostly clear. Lows 32 to 39. Highs 58 to 63. Northwest winds 1 to 6 mph. .THURSDAY...Mostly clear. Lows 34 to 40. Highs 56 to 63. West winds 4 to 9 mph. .FRIDAY...Partly cloudy with a slight chance of showers. Lows 40 to 45. Highs 56 to 63. West winds 4 to 10 mph. .SATURDAY...Partly cloudy. Lows 35 to 41. Highs 53 to 59. Southwest winds 3 to 8 mph. $$ WAZ694-122315- Yakama Alpine District- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then rain and snow showers in the afternoon. * Max temperature.....44-51...except 35-45 ridges. * Min humidity........65-80 percent...except 76-91 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 11 mph. * Ridges/upr slopes....West winds 9 to 15 mph decreasing to 4 to 9 mph in the afternoon. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......5000 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (89-269) increasing to fair to good (264-510) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Rain and snow showers. * Min temperature.....29-36...except 26-31 ridges. * Max humidity........92-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph becoming northeast 1 to 6 mph after midnight. * Ridges/upr slopes....light winds less than 5 mph becoming northeast 2 to 7 mph after midnight. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 10 mph shifting to the northeast after midnight. * Ventilation Index...Poor (44-136) decreasing to poor (35-121) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....41-49...except 32-41 ridges. * Min humidity........58-70 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 7 to 13 mph with gusts up to 30 mph. * Ridges/upr slopes....Northeast winds 8 to 14 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....Northeast 20 to 25 mph. * Ventilation Index...Poor to fair (131-365) increasing to fair to good (232-594) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 28 to 34. Highs 44 to 57. Northeast winds 5 to 11 mph. .WEDNESDAY...Mostly clear. Lows 29 to 36. Highs 50 to 62. Northwest winds 1 to 5 mph. .THURSDAY...Mostly clear with a slight chance of showers. Lows 30 to 36. Highs 48 to 60. West winds 2 to 7 mph. .FRIDAY...A chance of rain and snow showers. Partly cloudy. Lows 35 to 41. Highs 48 to 61. West winds 4 to 9 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 31 to 38. Highs 48 to 58. Southwest winds 2 to 7 mph. $$ ORZ691-WAZ691-122315- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. * Max temperature.....50-57. * Min humidity........58-73 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 9 to 15 mph. * Ridges/upr slopes....Southwest winds 9 to 15 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (115-301) increasing to good to excellent (507-739) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Showers. * Min temperature.....37-42...except 32-40 ridges. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 7 mph shifting to the northeast after midnight. * Ridges/upr slopes....Southwest winds 3 to 7 mph shifting to the northeast 4 to 9 mph after midnight. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 10 mph shifting to the east after midnight. * Ventilation Index...Poor (85-175) decreasing to poor (25-80) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....48-58...except 43-53 ridges. * Min humidity........48-63 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 9 to 15 mph. Gusts to 30 mph in the afternoon. * Ridges/upr slopes....Northeast winds 10 to 16 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......5000 ft agl. * Transport winds.....Northeast around 20 mph. * Ventilation Index...Poor to fair (91-293) increasing to fair to good (327-661) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 32 to 39. Highs 51 to 58. North winds 6 to 12 mph. .WEDNESDAY...Partly cloudy. Lows 34 to 39. Highs 58 to 64. Southwest winds 2 to 7 mph. .THURSDAY...Mostly clear. Lows 35 to 40. Highs 58 to 63. Southwest winds 4 to 9 mph. .FRIDAY...Partly cloudy with a slight chance of showers. Lows 40 to 45. Highs 59 to 65. Southwest winds 5 to 11 mph. .SATURDAY...Partly cloudy. Lows 36 to 41. Highs 58 to 63. Southwest winds 4 to 9 mph. $$ ORZ692-WAZ692-122315- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then rain and snow showers in the afternoon. * Max temperature.....40-50...except 34-39 ridges. * Min humidity........75-90 percent...except 87-100 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 6 to 12 mph. * Ridges/upr slopes....Southwest winds 9 to 15 mph decreasing to 3 to 8 mph in the afternoon. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (172-416) increasing to fair to good (218-514) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Snow showers likely in the evening. Showers likely. A chance of snow showers after midnight. * Min temperature.....32-38. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....South winds 2 to 5 mph. * CWR.................60 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor (50-144) decreasing to poor (25-86) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers likely in the morning, then a chance of showers in the afternoon. * Max temperature.....46-54...except 40-45 ridges. * Min humidity........66-81 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....East winds 2 to 5 mph in the morning becoming light less than 5 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Poor (25-129) increasing to poor to fair (96-220) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a chance of rain and snow showers. Lows 31 to 36. Highs 43 to 53. North winds 1 to 6 mph. .WEDNESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 31 to 37. Highs 45 to 55. West winds 1 to 5 mph. .THURSDAY...A slight chance of showers. Mostly clear. Lows 31 to 38. Highs 48 to 58. Southwest winds 2 to 7 mph. .FRIDAY...A chance of showers. Mostly cloudy. Lows 36 to 42. Highs 48 to 58. Southwest winds 4 to 9 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 32 to 39. Highs 50 to 61. South winds 3 to 8 mph. $$ ORZ693-WAZ693-122315- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then showers likely and a slight chance of snow showers in the afternoon. * Max temperature.....41-50...except 36-42 ridges. * Min humidity........68-83 percent. * 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....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (165-409) increasing to fair to good (273-593) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Rain and snow showers likely in the evening, then a chance of rain and snow showers after midnight. * Min temperature.....31-38. * Max humidity........87-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph becoming east 1 to 5 mph after midnight. * Ridges/upr slopes....South winds 2 to 7 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southeast 5 to 10 mph. * Ventilation Index...Poor (33-155) decreasing to poor (25-79) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. A chance of rain and snow showers in the morning, then a slight chance of showers in the afternoon. * Max temperature.....46-55...except 41-47 ridges. * Min humidity........58-73 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.......5500 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Poor (25-93) increasing to poor to fair (98-218) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a slight chance of rain and snow showers. Lows 30 to 37. Highs 49 to 57. Terrain driven winds less than 5 mph. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Lows 31 to 38. Highs 47 to 55. Terrain driven winds less than 5 mph. .THURSDAY...A slight chance of showers. Partly cloudy. Lows 28 to 37. Highs 50 to 59. Terrain driven winds less than 5 mph. .FRIDAY...A chance of showers. Mostly cloudy. Lows 31 to 41. Highs 50 to 58. Southwest winds 2 to 7 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 28 to 38. Highs 52 to 60. South winds 2 to 7 mph. $$ ORZ701-122315- Eastern Columbia River Gorge of Oregon- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of showers in the morning, then showers in the afternoon. * Max temperature.....51-56...except 46-52 ridges. * Min humidity........69-84 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 11 mph. In the eastern Columbia River Gorge, west winds 10 to 16 mph with gusts up to 30 mph decreasing to 3 to 8 mph in the afternoon. * Ridges/upr slopes....West winds 4 to 10 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (121-279) increasing to fair to good (400-602) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Showers in the evening, then showers likely after midnight. * Min temperature.....34-40. * Max humidity........94-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................60 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 10 mph shifting to the northeast after midnight. * Ventilation Index...Poor (82-170) decreasing to poor (34-82) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....46-51. * Min humidity........60-71 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 6 to 12 mph...except northeast 7 to 13 mph in the eastern Columbia River Gorge. In the eastern Columbia River Gorge, gusts to 30 mph in the afternoon. * Ridges/upr slopes....Northeast winds 5 to 11 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....Northeast 15 to 20 mph. * Ventilation Index...Poor to fair (117-249) increasing to fair (267-495) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows 33 to 38. Highs 53 to 58. East winds 3 to 8 mph. .WEDNESDAY...Mostly clear. Lows 34 to 39. Highs 58 to 63. West winds 2 to 7 mph. .THURSDAY...Partly cloudy with a slight chance of showers. Lows 36 to 41. Highs 57 to 62. West winds 4 to 9 mph. .FRIDAY...A chance of showers. Mostly cloudy. Lows 41 to 46. Highs 58 to 63. West winds 5 to 11 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 36 to 41. Highs 58 to 63. South winds 3 to 8 mph. $$ ORZ702-122315- East Slopes of the Mt. Hood National Forest- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. Showers likely in the morning. Snow showers. Showers in the afternoon. * Max temperature.....44-53...except 39-47 ridges. * Min humidity........71-86 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................80 percent. * Chc of lightning....0 percent. * Mixing height.......3500 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (72-286) increasing to fair (200-490) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Rain and snow showers in the evening, then rain and snow showers likely after midnight. * Min temperature.....29-36. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................80 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 10 mph shifting to the east after midnight. * Ventilation Index...Poor (42-158) decreasing to poor (25-55) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers in the morning, then rain and snow showers likely in the afternoon. * Max temperature.....41-47...except 35-43 ridges. * Min humidity........61-76 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 3 to 8 mph. * Ridges/upr slopes....Northeast winds 3 to 8 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......3000 ft agl. * Transport winds.....Northeast around 20 mph. * Ventilation Index...Poor to fair (60-228) increasing to poor to fair (99-361) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 29 to 35. Highs 43 to 53. East winds 2 to 7 mph. .WEDNESDAY...Mostly clear. Lows 31 to 37. Highs 48 to 61. West winds up to 5 mph. .THURSDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 33 to 39. Highs 46 to 60. West winds 2 to 7 mph. .FRIDAY...Mostly cloudy with a chance of rain and snow showers. Lows 36 to 43. Highs 48 to 61. West winds 2 to 7 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 33 to 39. Highs 50 to 61. South winds 1 to 5 mph. $$ ORZ695-122315- Eagle Cap Wilderness- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then rain and snow showers likely in the afternoon. * Max temperature.....37-47...except 28-38 ridges. * Min humidity........67-82 percent...except 78-93 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (58-272) increasing to poor to fair (141-409) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A chance of rain and snow showers in the evening, then rain and snow showers likely after midnight. * Min temperature.....30-37...except 24-31 ridges. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph becoming southeast 1 to 5 mph after midnight. * Ridges/upr slopes....South winds 2 to 6 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor (26-148) decreasing to poor (25-100) after midnight. .COLUMBUS DAY... * Sky/weather.........Cloudy. Rain and snow showers likely in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....42-52...except 33-43 ridges. * Min humidity........62-77 percent...except 76-91 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....East winds 1 to 5 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....Southeast around 10 mph. * Ventilation Index...Poor (25-93) increasing to poor to fair (56-200) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a chance of rain and snow showers. Lows 28 to 37. Highs 40 to 55. Northeast winds 2 to 7 mph. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Lows 27 to 35. Highs 37 to 52. North winds 2 to 7 mph. .THURSDAY...A slight chance of rain and snow showers. Partly cloudy. Lows 25 to 33. Highs 41 to 55. Northwest winds 2 to 6 mph. .FRIDAY...Partly cloudy with a chance of rain and snow showers. Lows 29 to 37. Highs 40 to 54. West winds 2 to 7 mph. .SATURDAY...Partly cloudy with a chance of rain and snow showers. Lows 25 to 34. Highs 41 to 55. South winds 2 to 6 mph. $$ ORZ694-122315- Grande Ronde Valley of Oregon- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of showers in the morning, then showers in the afternoon. * Max temperature.....46-51. * Min humidity........64-79 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 3 to 7 mph. * Ridges/upr slopes....Southwest winds 3 to 7 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (158-364) increasing to fair (253-459) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A chance of showers in the evening, then showers likely after midnight. * Min temperature.....32-37. * Max humidity........95-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southeast winds 2 to 7 mph. * Ridges/upr slopes....Southeast winds 3 to 8 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southeast around 10 mph. * Ventilation Index...Poor (76-146). .COLUMBUS DAY... * Sky/weather.........Cloudy. Showers likely in the morning, then a chance of showers in the afternoon. * Max temperature.....49-54. * Min humidity........68-74 percent. * 20-foot winds....... * Valleys/lwr slopes...East winds 2 to 5 mph in the morning becoming upslope less than 5 mph. * Ridges/upr slopes....Southeast winds 3 to 6 mph shifting to the northeast 2 to 5 mph in the afternoon. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......3500 ft agl. * Transport winds.....East around 5 mph. * Ventilation Index...Poor (53-111) increasing to poor (102-174) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a chance of showers. Lows 31 to 36. Highs 53 to 58. North winds 2 to 7 mph. .WEDNESDAY...Partly cloudy with a chance of rain and snow showers. Lows 29 to 34. Highs 53 to 58. Northwest winds 4 to 9 mph. .THURSDAY...A slight chance of showers. Mostly clear. Lows 28 to 33. Highs 56 to 61. West winds 2 to 7 mph. .FRIDAY...A chance of showers. Partly cloudy. Lows 32 to 37. Highs 56 to 61. West winds 2 to 7 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 29 to 34. Highs 56 to 61. South winds 2 to 7 mph. $$ ORZ699-122315- Western Forested Blue Mountains- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then rain and snow showers in the afternoon. * Max temperature.....41-47...except 34-41 ridges. * Min humidity........69-84 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (173-379) increasing to fair (271-481) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A chance of snow showers in the evening. Showers likely. Snow showers after midnight. * Min temperature.....29-35. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph becoming southeast 1 to 6 mph after midnight. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor (49-167) decreasing to poor (28-110) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers likely in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....43-49...except 37-43 ridges. * Min humidity........70-84 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Poor (25-99) increasing to poor to fair (89-239) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a slight chance of rain and snow showers. Lows 28 to 33. Highs 42 to 52. North winds 1 to 5 mph. .WEDNESDAY...Partly cloudy with a chance of rain and snow showers. Lows 28 to 33. Highs 44 to 53. Northwest winds 1 to 6 mph. .THURSDAY...Mostly clear. Lows 26 to 33. Highs 47 to 56. West winds 1 to 5 mph. .FRIDAY...Partly cloudy with a chance of rain and snow showers. Lows 32 to 38. Highs 48 to 57. West winds 2 to 7 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 29 to 35. Highs 50 to 59. South winds 1 to 6 mph. $$ ORZ696-122315- John Day Valley- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of rain and snow showers in the morning, then showers likely and a slight chance of snow showers in the afternoon. * Max temperature.....44-51...except 39-44 ridges. * Min humidity........56-71 percent...except 68-77 percent ridges. * 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.......5500 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Fair (228-418) increasing to fair to good (405-653) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A slight chance of snow showers in the evening. Showers. Snow showers after midnight. * Min temperature.....33-38. * Max humidity........86-98 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph becoming southeast 2 to 5 mph after midnight. * Ridges/upr slopes....light winds less than 5 mph becoming southeast 3 to 6 mph after midnight. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor to fair (108-224) decreasing to poor (52-138) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers likely. * Max temperature.....43-51...except 38-43 ridges. * Min humidity........63-76 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 3 to 8 mph. * Ridges/upr slopes....Northeast winds 3 to 8 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Poor (45-115) increasing to poor to fair (130-306) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a slight chance of rain and snow showers. Lows 30 to 35. Highs 45 to 55. North winds 2 to 7 mph. .WEDNESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 30 to 35. Highs 50 to 59. Northwest winds 2 to 7 mph. .THURSDAY...Mostly clear. Lows 29 to 35. Highs 53 to 61. West winds 2 to 7 mph. .FRIDAY...Partly cloudy with a slight chance of showers. Lows 34 to 40. Highs 54 to 62. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 31 to 36. Highs 56 to 64. South winds 2 to 7 mph. $$ ORZ700-122315- Central Mountains of Oregon- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....46-51...except 38-44 ridges. * Min humidity........52-67 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (99-277) increasing to fair to good (442-650) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A chance of snow showers in the evening. Showers likely. Snow showers likely after midnight. * Min temperature.....28-35. * Max humidity........93-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....South winds 2 to 6 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor to fair (145-299) decreasing to poor (51-161) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers in the morning, then rain and snow showers likely in the afternoon. * Max temperature.....44-49...except 36-43 ridges. * Min humidity........61-75 percent...except 72-87 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 4 to 9 mph. * Ridges/upr slopes....Northeast winds 4 to 9 mph. * CWR.................40 percent. * Chc of lightning....0 percent. * Mixing height.......5000 ft agl. * Transport winds.....East 10 to 15 mph. * Ventilation Index...Poor (56-128) increasing to fair (203-415) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...A chance of rain and snow showers. Mostly cloudy. Lows 26 to 31. Highs 46 to 53. North winds 5 to 11 mph. .WEDNESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 25 to 32. Highs 51 to 58. Northwest winds 3 to 8 mph. .THURSDAY...Mostly clear. Lows 23 to 33. Highs 53 to 60. West winds 3 to 8 mph. .FRIDAY...Partly cloudy with a slight chance of showers. Lows 28 to 38. Highs 55 to 62. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 26 to 35. Highs 58 to 65. South winds 2 to 7 mph. $$ ORZ703-122315- Warm Springs Reservation- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers in the morning. Heavy snow showers. Showers in the afternoon. * Max temperature.....47-54...except 36-44 ridges. * Min humidity........60-75 percent...except 77-92 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 6 to 12 mph. * Ridges/upr slopes....Southwest winds 6 to 12 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......5000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (100-256) increasing to fair to good (350-636) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Rain and snow showers in the evening, then rain and snow showers likely after midnight. * Min temperature.....34-39...except 29-34 ridges. * Max humidity........93-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 1 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 1 to 6 mph shifting to the east 1 to 5 mph after midnight. * CWR.................60 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 10 mph shifting to the northeast after midnight. * Ventilation Index...Poor (82-174) decreasing to poor (25-35) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Rain and snow showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....42-49...except 33-40 ridges. * Min humidity........58-68 percent...except 67-81 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 4 to 9 mph increasing to 9 to 15 mph with gusts up to 30 mph in the afternoon. * Ridges/upr slopes....Northeast winds 7 to 13 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......3500 ft agl. * Transport winds.....Northeast around 15 mph increasing to around 25 mph in the afternoon. * Ventilation Index...Poor to fair (92-216) increasing to fair (224-486) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...A chance of rain and snow showers. Partly cloudy. Lows 30 to 35. Highs 45 to 53. Northeast winds 7 to 13 mph. .WEDNESDAY...Mostly clear. Lows 32 to 37. Highs 52 to 63. West winds 2 to 7 mph. .THURSDAY...Mostly clear with a slight chance of showers. Lows 33 to 38. Highs 52 to 62. West winds 4 to 9 mph. .FRIDAY...A chance of showers. Partly cloudy. Lows 38 to 43. Highs 53 to 64. West winds 3 to 8 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 34 to 39. Highs 56 to 64. South winds 2 to 7 mph. $$ ORZ704-122315- Northern Deschutes National Forest- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A chance of rain and snow showers in the morning, then showers and heavy snow showers in the afternoon. * Max temperature.....45-51...except 33-42 ridges. * Min humidity........59-73 percent...except 76-91 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 11 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......4500 ft agl. * Transport winds.....West around 20 mph. * Ventilation Index...Poor to fair (96-284) increasing to fair to good (324-628) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. Showers and heavy snow showers in the evening, then rain and snow showers likely after midnight. * Min temperature.....26-32. * Max humidity........95-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Southwest winds 2 to 7 mph. * CWR.................60 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph becoming west around 5 mph after midnight. * Ventilation Index...Poor to fair (81-223) decreasing to poor (25-56) after midnight. .COLUMBUS DAY... * Sky/weather.........Cloudy. Rain and snow showers in the morning, then rain and snow showers likely in the afternoon. * Max temperature.....41-46...except 31-38 ridges. * Min humidity........69-84 percent. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds 4 to 9 mph. * Ridges/upr slopes....Northeast winds 5 to 11 mph. * CWR.................80 percent. * Chc of lightning....0 percent. * Mixing height.......3000 ft agl. * Transport winds.....Northeast around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (54-160) increasing to poor to fair (125-367) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...A chance of rain and snow showers. Mostly cloudy. Lows 24 to 30. Highs 40 to 51. Northeast winds 9 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 24 to 31. Highs 45 to 58. West winds 2 to 7 mph. .THURSDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 25 to 33. Highs 46 to 58. West winds 2 to 7 mph. .FRIDAY...A chance of rain and snow showers. Partly cloudy. Lows 30 to 37. Highs 48 to 61. West winds 3 to 8 mph. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 28 to 34. Highs 53 to 64. South winds 2 to 7 mph. $$ ORZ705-122315- Southern Deschutes National Forest- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....44-49...except 34-41 ridges. * Min humidity........56-71 percent...except 68-83 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......5000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (95-239) increasing to fair to good (368-598) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Snow showers in the evening. Showers likely. Snow showers likely after midnight. * Min temperature.....24-29. * Max humidity........95-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 1 to 5 mph. * Ridges/upr slopes....Southwest winds 2 to 7 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor to fair (143-317) decreasing to poor (58-124) after midnight. .COLUMBUS DAY... * Sky/weather.........Mostly cloudy. Snow showers and a slight chance of showers in the morning, then rain and snow showers likely in the afternoon. * Max temperature.....41-46...except 32-40 ridges. * Min humidity........70-85 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northeast 3 to 7 mph in the afternoon. * Ridges/upr slopes....East winds 2 to 7 mph. * CWR.................70 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....East 10 to 15 mph. * Ventilation Index...Poor (52-114) increasing to poor to fair (196-402) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a chance of rain and snow showers. Lows 22 to 28. Highs 43 to 52. Northeast winds 4 to 10 mph. .WEDNESDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 24 to 29. Highs 45 to 54. Northwest winds 1 to 6 mph. .THURSDAY...Mostly clear. Lows 21 to 28. Highs 49 to 58. West winds 1 to 5 mph. .FRIDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 26 to 33. Highs 51 to 59. West winds 1 to 5 mph. .SATURDAY...Partly cloudy. Lows 25 to 32. Highs 56 to 63. Terrain driven winds less than 5 mph. $$ ORZ697-122315- Central Blue Mountains- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of snow showers in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....41-46...except 36-41 ridges. * Min humidity........58-73 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (160-374) increasing to fair to good (298-522) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. Rain and snow showers likely in the evening, then rain and snow showers after midnight. * Min temperature.....27-32. * Max humidity........93-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph becoming south 2 to 6 mph after midnight. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor (55-155) decreasing to poor (34-110) after midnight. .COLUMBUS DAY... * Sky/weather.........Cloudy. Rain and snow showers likely in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....42-47...except 37-43 ridges. * Min humidity........70-82 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming east 3 to 6 mph in the afternoon. * Ridges/upr slopes....East winds 2 to 6 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....Southeast around 10 mph. * Ventilation Index...Poor (37-111) increasing to poor to fair (90-232) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a slight chance of rain and snow showers. Lows 26 to 32. Highs 46 to 52. North winds 2 to 6 mph. .WEDNESDAY...A chance of rain and snow showers. Partly cloudy. Lows 25 to 31. Highs 44 to 51. Northwest winds 2 to 7 mph. .THURSDAY...Mostly clear. Lows 23 to 29. Highs 48 to 54. Northwest winds 2 to 7 mph. .FRIDAY...Partly cloudy with a slight chance of rain and snow showers. Lows 28 to 34. Highs 48 to 56. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 25 to 31. Highs 50 to 57. South winds 2 to 7 mph. $$ ORZ698-122315- Southern Blue Mountains- 515 AM PDT Sun Oct 12 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of rain and snow showers in the afternoon. * Max temperature.....43-50. * Min humidity........44-57 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (188-356) increasing to fair to good (427-557) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy. A chance of rain and snow showers in the evening, then rain and snow showers after midnight. * Min temperature.....28-33. * Max humidity........93-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................60 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South around 10 mph. * Ventilation Index...Poor (107-173) decreasing to poor (52-122) after midnight. .COLUMBUS DAY... * Sky/weather.........Cloudy. Rain and snow showers likely in the morning, then a chance of rain and snow showers in the afternoon. * Max temperature.....43-49. * Min humidity........59-73 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming east 3 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming east 3 to 6 mph in the afternoon. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......4000 ft agl. * Transport winds.....East around 10 mph. * Ventilation Index...Poor (60-116) increasing to poor to fair (146-262) in the afternoon. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy with a slight chance of rain and snow showers. Lows 27 to 32. Highs 50 to 57. North winds 3 to 8 mph. .WEDNESDAY...A chance of rain and snow showers. Partly cloudy. Lows 25 to 32. Highs 49 to 55. Northwest winds 4 to 9 mph. .THURSDAY...Mostly clear. Lows 23 to 28. Highs 52 to 58. Northwest winds 4 to 9 mph. .FRIDAY...Partly cloudy. Lows 28 to 33. Highs 54 to 60. West winds 3 to 8 mph. .SATURDAY...Partly cloudy. Lows 25 to 30. Highs 54 to 60. Southwest winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Sunday October 19 through Saturday October 25... A greater chance of below-normal temperatures and above-normal precipitation. $$