


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
197 FNUS56 KPDT 011425 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 725 AM PDT Tue Jul 1 2025 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES WA690 AND WA691... ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONE OR700... .DISCUSSION...A high chance, 50-80%, for semi-wet isolated to widely scattered storms across Deschutes into the OR central mountains with earliest onset after 1300 today, most likely between 1500-2000. Strong winds of 35 mph more likely than not with storms. Hot and dry today and lingering tomorrow with increasing breezes. Fire Weather Watch for hot, dry, windy tomorrow, however, confidence is still modest (50-60%). Another hot and drying period begins early next 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. WAZ695-012330- East Washington South Central Cascade Mountains- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....82-91...except 73-82 ridges. * Min humidity........22-35 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (49-135) increasing to fair (263-485) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-61...except 48-55 ridges. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph. * Ridges/upr slopes....Northwest winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 15 mph. * Ventilation Index...Poor to fair (147-367) decreasing to poor (29-123) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....72-81...except 63-72 ridges. * Min humidity........29-44 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 11 mph. * Ridges/upr slopes....West winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor (52-190) increasing to fair to good (396-674) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 43 to 51. Highs 60 to 74. West winds 7 to 13 mph. .INDEPENDENCE DAY...Mostly clear. Lows 42 to 50. Highs 60 to 74. Northwest winds 5 to 11 mph. .SATURDAY...Mostly clear. Lows 42 to 49. Highs 63 to 76. West winds 4 to 9 mph. .SUNDAY...Mostly clear. Lows 44 to 51. Highs 66 to 79. West winds 3 to 8 mph. .MONDAY...Mostly clear. Lows 46 to 54. Highs 70 to 83. West winds 2 to 7 mph. $$ WAZ690-012330- Kittitas Valley- 725 AM PDT Tue Jul 1 2025 ...FIRE WEATHER WATCH IN EFFECT FOR WINDS AND LOW HUMIDITY FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....92-100...except 82-94 ridges. * Min humidity........15-21 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......12000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (92-178) increasing to fair to good (457-629) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....62-67. * Max humidity........34-47 percent. * Humidity recovery...Poor. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 8 to 14 mph. * Ridges/upr slopes....Northwest winds 9 to 15 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 20 mph. * Ventilation Index...Fair to good (430-600) decreasing to poor (53-157) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....83-93...except 74-86 ridges. * Min humidity........18-26 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 9 to 15 mph. * Ridges/upr slopes....Northwest winds 9 to 15 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....Northwest around 20 mph. * Ventilation Index...Poor to fair (93-241) increasing to good to excellent (686-942) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 53 to 58. Highs 76 to 86. Northwest winds 10 to 16 mph. .INDEPENDENCE DAY...Mostly clear. Lows 52 to 57. Highs 76 to 85. Northwest winds 8 to 14 mph. .SATURDAY...Mostly clear. Lows 51 to 56. Highs 78 to 87. West winds 7 to 13 mph. .SUNDAY...Mostly clear. Lows 54 to 59. Highs 81 to 89. Northwest winds 4 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 84 to 92. Northwest winds 4 to 9 mph. $$ WAZ694-012330- Yakama Alpine District- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....87-95...except 77-90 ridges. * Min humidity........18-31 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 southwest 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10500 ft agl. * Transport winds.....North around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-57) increasing to fair (276-428) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....52-60. * Max humidity........52-67 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 10 mph. * Ventilation Index...Poor to fair (168-304) decreasing to poor (25-76) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....77-88...except 67-82 ridges. * Min humidity........21-36 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (35-107) increasing to fair to good (397-597) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 44 to 52. Highs 67 to 81. West winds 5 to 11 mph. .INDEPENDENCE DAY...Mostly clear. Lows 44 to 52. Highs 66 to 79. West winds 4 to 9 mph. .SATURDAY...Mostly clear. Lows 43 to 50. Highs 69 to 81. West winds 3 to 8 mph. .SUNDAY...Mostly clear. Lows 45 to 52. Highs 72 to 85. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 48 to 55. Highs 75 to 88. Southwest winds 2 to 7 mph. $$ ORZ691-012330- Lower Columbia Basin of Oregon- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....92-100. * Min humidity........15-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 3 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 3 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (31-63) increasing to fair (309-425) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of showers. * Min temperature.....61-69. * Max humidity........48-59 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 11 mph. * Ridges/upr slopes....West winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 15 mph. * Ventilation Index...Fair (219-423) decreasing to poor (43-111) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....82-92. * Min humidity........17-23 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 8 to 14 mph. * Ridges/upr slopes....West winds 8 to 14 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (100-242) increasing to good to excellent (608-816) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 52 to 61. Highs 78 to 87. West winds 9 to 15 mph. .INDEPENDENCE DAY...Partly cloudy. Lows 52 to 60. Highs 77 to 85. West winds 7 to 13 mph. .SATURDAY...Mostly clear. Lows 51 to 58. Highs 79 to 87. West winds 5 to 11 mph. .SUNDAY...Mostly clear. Lows 53 to 60. Highs 81 to 90. West winds 4 to 9 mph. .MONDAY...Mostly clear. Lows 54 to 61. Highs 86 to 93. West winds 3 to 8 mph. $$ WAZ691-012330- Lower Columbia Basin of Washington- 725 AM PDT Tue Jul 1 2025 ...FIRE WEATHER WATCH IN EFFECT FOR WINDS AND LOW HUMIDITY FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....97-102...except 90-97 ridges. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 6 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11500 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (33-83) increasing to fair (300-430) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....62-68. * Max humidity........44-59 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 mph. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 10 mph. * Ventilation Index...Poor to fair (192-406) decreasing to poor (30-82) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. * Max temperature.....90-96...except 84-92 ridges. * Min humidity........17-22 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 6 to 12 mph. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor (56-146) increasing to fair to good (476-674) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 53 to 60. Highs 83 to 89. West winds 7 to 13 mph. .INDEPENDENCE DAY...Mostly clear. Lows 53 to 59. Highs 82 to 87. West winds 5 to 11 mph. .SATURDAY...Mostly clear. Lows 52 to 58. Highs 83 to 89. Southwest winds 5 to 11 mph. .SUNDAY...Mostly clear. Lows 54 to 59. Highs 86 to 91. Southwest winds 4 to 9 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 89 to 94. West winds 2 to 7 mph. $$ ORZ692-WAZ692-012330- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....86-96...except 80-85 ridges. * Min humidity........17-23 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9500 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Poor (26-58) increasing to fair (238-346) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....57-65. * Max humidity........49-64 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.....Northwest 5 to 10 mph. * Ventilation Index...Poor (105-189) decreasing to poor (25-60) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers in the morning. * Max temperature.....79-89...except 72-78 ridges. * Min humidity........19-28 percent. * 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.......8500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (30-108) increasing to fair to good (327-567) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 48 to 56. Highs 70 to 82. West winds 3 to 8 mph. .INDEPENDENCE DAY...Partly cloudy with a slight chance of showers. Lows 49 to 56. Highs 69 to 80. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 48 to 55. Highs 70 to 81. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 49 to 56. Highs 74 to 85. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 51 to 58. Highs 77 to 88. West winds 1 to 6 mph. $$ ORZ693-WAZ693-012330- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....87-96...except 81-88 ridges. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10500 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Poor (25-55) increasing to fair (255-385) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....57-66. * Max humidity........39-54 percent. * Humidity recovery...Moderate...except Poor ridges. * 20-foot winds....... * Valleys/lwr slopes...North winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 2 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor to fair (143-225) decreasing to poor (25-49) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....84-92...except 78-85 ridges. * Min humidity........21-26 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 3 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (26-76) increasing to fair (296-462) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Mostly clear. Lows 49 to 58. Highs 76 to 85. West winds 2 to 7 mph. .INDEPENDENCE DAY...A chance of showers and a slight chance of thunderstorms. Partly cloudy. Lows 49 to 57. Highs 73 to 82. West winds 2 to 7 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 47 to 56. Highs 74 to 84. West winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 48 to 56. Highs 79 to 88. Northwest winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 50 to 58. Highs 81 to 90. Northwest winds 2 to 7 mph. $$ ORZ701-012330- Eastern Columbia River Gorge of Oregon- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....92-97...except 87-93 ridges. * Min humidity........22-33 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. In the eastern Columbia River Gorge, west winds 3 to 8 mph. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (36-104) increasing to fair (250-394) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Min temperature.....56-62. * Max humidity........53-66 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 7 to 13 mph...except west 8 to 14 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Fair (246-418) decreasing to poor (45-153) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....81-86...except 75-84 ridges. * Min humidity........23-38 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 7 to 13 mph with gusts up to 25 mph...except west 8 to 14 mph with gusts up to 30 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (90-254) increasing to good to excellent (567-825) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 49 to 56. Highs 76 to 82. West winds 8 to 14 mph. .INDEPENDENCE DAY...Mostly clear. Lows 49 to 54. Highs 75 to 80. West winds 7 to 13 mph. .SATURDAY...Mostly clear. Lows 48 to 53. Highs 78 to 83. West winds 6 to 12 mph. .SUNDAY...Mostly clear. Lows 50 to 55. Highs 81 to 86. West winds 4 to 9 mph. .MONDAY...Mostly clear. Lows 52 to 57. Highs 85 to 90. Northwest winds 3 to 8 mph. $$ ORZ702-012330- East Slopes of the Mt. Hood National Forest- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....88-95...except 80-89 ridges. * Min humidity........23-35 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (25-54) increasing to poor to fair (157-247) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....49-60. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (95-257) decreasing to poor (25-94) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....76-86...except 69-79 ridges. * Min humidity........23-37 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor (33-143) increasing to fair to good (305-591) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 43 to 51. Highs 64 to 79. West winds 4 to 9 mph. .INDEPENDENCE DAY...Mostly clear. Lows 42 to 51. Highs 63 to 78. West winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 42 to 49. Highs 67 to 81. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 44 to 52. Highs 70 to 84. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 46 to 54. Highs 75 to 87. West winds 1 to 6 mph. $$ ORZ695-012330- Eagle Cap Wilderness- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....83-95...except 72-84 ridges. * Min humidity........17-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 5 mph in the afternoon. * Ridges/upr slopes....North winds 2 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Poor (25-95) increasing to fair to good (306-502) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....59-65...except 53-60 ridges. * Max humidity........41-50 percent. * Humidity recovery...Moderate...except Poor ridges. * 20-foot winds....... * Valleys/lwr slopes...North winds 3 to 8 mph. * Ridges/upr slopes....North winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....North around 10 mph. * Ventilation Index...Poor to fair (174-326) decreasing to poor (25-84) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. * Max temperature.....78-91...except 69-80 ridges. * Min humidity........22-35 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (25-76) increasing to fair (307-477) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Partly cloudy. Lows 46 to 54. Highs 67 to 82. Northwest winds 3 to 8 mph. .INDEPENDENCE DAY...A chance of showers and a slight chance of thunderstorms. Partly cloudy. Lows 46 to 54. Highs 63 to 78. Northwest winds 2 to 7 mph. .SATURDAY...A slight chance of showers. Partly cloudy. Lows 43 to 51. Highs 64 to 79. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 45 to 53. Highs 69 to 84. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 47 to 55. Highs 72 to 87. West winds 2 to 7 mph. $$ ORZ694-012330- Grande Ronde Valley of Oregon- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming mostly cloudy. * Max temperature.....92-97. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 mph in the afternoon. * Ridges/upr slopes....North winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Poor (70-108) increasing to fair to good (445-529) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....60-65. * Max humidity........53-62 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Fair (235-331) decreasing to poor (59-89) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers. * Max temperature.....87-92. * Min humidity........19-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (73-127) increasing to fair to good (425-593) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Partly cloudy. Lows 52 to 57. Highs 81 to 86. Northwest winds 4 to 10 mph. .INDEPENDENCE DAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 52 to 57. Highs 78 to 83. Northwest winds 4 to 9 mph. .SATURDAY...A slight chance of showers. Partly cloudy. Lows 50 to 55. Highs 80 to 85. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 50 to 55. Highs 84 to 89. Northwest winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 52 to 57. Highs 87 to 92. Northwest winds 2 to 7 mph. $$ ORZ699-012330- Western Forested Blue Mountains- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....86-92...except 80-87 ridges. * Min humidity........17-22 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11000 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Poor (41-89) increasing to fair (256-438) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers in the evening. * Min temperature.....55-60. * Max humidity........53-63 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (151-271) decreasing to poor (25-70) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers. * Max temperature.....80-87...except 74-81 ridges. * Min humidity........20-27 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 6 mph in the afternoon. * Ridges/upr slopes....Northwest winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (36-94) increasing to fair to good (369-553) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Mostly clear. Lows 46 to 51. Highs 71 to 79. Northwest winds 2 to 7 mph. .INDEPENDENCE DAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 47 to 52. Highs 69 to 77. Northwest winds 2 to 7 mph. .SATURDAY...A slight chance of showers. Mostly clear. Lows 44 to 49. Highs 70 to 79. West winds 1 to 5 mph. .SUNDAY...Mostly clear. Lows 46 to 51. Highs 74 to 83. Terrain driven winds less than 5 mph. .MONDAY...Mostly clear. Lows 48 to 53. Highs 77 to 86. Northwest winds 1 to 5 mph. $$ ORZ696-012330- John Day Valley- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....88-96...except 83-88 ridges. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......12500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Poor (47-97) increasing to fair to good (274-522) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of showers. * Min temperature.....57-62. * Max humidity........53-62 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (179-277) decreasing to poor (30-82) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers. * Max temperature.....81-90...except 76-81 ridges. * Min humidity........16-21 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 3 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (44-110) increasing to fair to good (399-561) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 48 to 54. Highs 75 to 84. Northwest winds 2 to 7 mph. .INDEPENDENCE DAY...Partly cloudy with a slight chance of showers. Lows 49 to 54. Highs 74 to 82. Northwest winds 2 to 7 mph. .SATURDAY...A slight chance of showers. Mostly clear. Lows 46 to 51. Highs 76 to 84. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 49 to 54. Highs 79 to 88. Northwest winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 51 to 56. Highs 83 to 91. Northwest winds 2 to 7 mph. $$ ORZ700-012330- Central Mountains of Oregon- 725 AM PDT Tue Jul 1 2025 ...RED FLAG WARNING IN EFFECT FOR ABUNDANT LIGHTNING FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING... .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....88-95...except 81-87 ridges. * Min humidity........15-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......12000 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Poor (45-109) increasing to fair to good (347-671) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. * Min temperature.....53-60. * Max humidity........56-70 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................10 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Fair (274-450) decreasing to poor (31-67) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy then becoming mostly sunny. A slight chance of showers in the afternoon. * Max temperature.....82-87...except 75-81 ridges. * Min humidity........15-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (41-99) increasing to fair to good (461-653) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 45 to 51. Highs 76 to 82. Northwest winds 4 to 9 mph. .INDEPENDENCE DAY...A slight chance of showers. Partly cloudy. Lows 45 to 50. Highs 74 to 80. Northwest winds 3 to 8 mph. .SATURDAY...Mostly clear. Lows 42 to 48. Highs 76 to 83. West winds 3 to 8 mph. .SUNDAY...Mostly clear. Lows 45 to 51. Highs 80 to 85. Northwest winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 47 to 52. Highs 83 to 89. Northwest winds 2 to 7 mph. $$ ORZ703-012330- Warm Springs Reservation- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....90-98...except 78-87 ridges. * Min humidity........18-23 percent...except 24-35 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Poor (34-60) increasing to poor to fair (196-412) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. * Min temperature.....57-62...except 51-57 ridges. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (195-379) decreasing to poor (38-92) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....79-88...except 67-76 ridges. * Min humidity........18-26 percent...except 25-40 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 mph. * Ridges/upr slopes....West winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor (61-163) increasing to fair to excellent (468-738) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 47 to 53. Highs 71 to 84. West winds 6 to 12 mph. .INDEPENDENCE DAY...Mostly clear. Lows 45 to 52. Highs 69 to 82. West winds 4 to 10 mph. .SATURDAY...Mostly clear. Lows 44 to 50. Highs 73 to 85. West winds 4 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 52. Highs 76 to 87. Northwest winds 3 to 8 mph. .MONDAY...Mostly clear. Lows 48 to 54. Highs 80 to 91. Northwest winds 3 to 8 mph. $$ ORZ704-012330- Northern Deschutes National Forest- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....89-95...except 75-85 ridges. * Min humidity........19-24 percent...except 24-38 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph becoming north 2 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....North around 5 mph. * Ventilation Index...Poor (34-62) increasing to poor to fair (49-239) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....50-57. * Max humidity........60-75 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....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....West around 10 mph. * Ventilation Index...Poor to fair (159-317) decreasing to poor (29-87) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. * Max temperature.....80-85...except 66-77 ridges. * Min humidity........19-24 percent...except 26-41 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 6 mph in the afternoon. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (40-130) increasing to fair to good (371-631) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 43 to 49. Highs 67 to 81. West winds 4 to 9 mph. .INDEPENDENCE DAY...Mostly clear. Lows 42 to 48. Highs 65 to 78. West winds 3 to 8 mph. .SATURDAY...Mostly clear. Lows 40 to 45. Highs 69 to 81. West winds 3 to 8 mph. .SUNDAY...Mostly clear. Lows 43 to 48. Highs 72 to 84. Northwest winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 45 to 50. Highs 76 to 88. Northwest winds 2 to 7 mph. $$ ORZ705-012330- Southern Deschutes National Forest- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....85-90...except 75-82 ridges. * Min humidity........19-29 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....North winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Poor (56-124) increasing to poor to fair (119-439) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. * Min temperature.....49-54. * Max humidity........74-89 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 1 to 6 mph. * CWR.................20 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor to fair (124-330) decreasing to poor (26-54) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. A slight chance of showers in the afternoon. * Max temperature.....79-84...except 68-77 ridges. * Min humidity........20-25 percent...except 23-37 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....Northwest winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (35-73) increasing to fair to good (378-594) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 41 to 46. Highs 69 to 79. Northwest winds 2 to 7 mph. .INDEPENDENCE DAY...A slight chance of showers. Partly cloudy. Lows 41 to 46. Highs 66 to 77. Northwest winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 38 to 43. Highs 70 to 81. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 41 to 46. Highs 73 to 84. Northwest winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 43 to 48. Highs 77 to 87. Northwest winds 1 to 6 mph. $$ ORZ697-012330- Central Blue Mountains- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. * Max temperature.....86-91...except 80-87 ridges. * Min humidity........15-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 5 mph in the afternoon. * Ridges/upr slopes....North winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......12000 ft agl. * Transport winds.....North around 10 mph. * Ventilation Index...Poor (50-124) increasing to poor to fair (140-436) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. * Min temperature.....53-58. * Max humidity........49-64 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North around 10 mph. * Ventilation Index...Poor to fair (191-343) decreasing to poor (25-88) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....81-86...except 75-82 ridges. * Min humidity........21-26 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......11000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (34-84) increasing to fair to good (421-627) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Partly cloudy with a slight chance of showers. Lows 45 to 50. Highs 72 to 79. Northwest winds 2 to 7 mph. .INDEPENDENCE DAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 46 to 51. Highs 69 to 77. Northwest winds 2 to 7 mph. .SATURDAY...A slight chance of showers. Mostly clear. Lows 43 to 48. Highs 71 to 78. Northwest winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 76 to 83. Northwest winds 1 to 5 mph. .MONDAY...Mostly clear. Lows 47 to 52. Highs 79 to 86. Northwest winds 1 to 6 mph. $$ ORZ698-012330- Southern Blue Mountains- 725 AM PDT Tue Jul 1 2025 .TODAY... * Sky/weather.........Partly cloudy. A slight chance of showers in the morning. * Max temperature.....87-92...except 82-87 ridges. * Min humidity........13-18 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming north 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northeast 3 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......13500 ft agl. * Transport winds.....Northeast around 10 mph. * Ventilation Index...Poor (89-153) increasing to fair to excellent (363-791) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. * Min temperature.....55-60. * Max humidity........47-62 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...North winds 2 to 7 mph. * Ridges/upr slopes....North winds 2 to 7 mph. * CWR.................10 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North around 15 mph. * Ventilation Index...Fair (299-445) decreasing to poor (31-97) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy then becoming mostly sunny. A slight chance of showers in the afternoon. * Max temperature.....82-90. * Min humidity........19-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 6 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10500 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor (46-110) increasing to good to excellent (576-720) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Partly cloudy. Lows 47 to 53. Highs 77 to 84. Northwest winds 2 to 7 mph. .INDEPENDENCE DAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 53. Highs 74 to 81. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 43 to 49. Highs 76 to 81. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 46 to 51. Highs 81 to 86. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 49 to 54. Highs 83 to 89. West winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Tuesday July 8 through Monday July 14... A greater chance of above normal temperatures and near normal precipitation. $$