


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
627 FNUS56 KPDT 021407 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 707 AM PDT Sat Aug 2 2025 ...ISOLATED THUNDERSTORMS TODAY CENTRAL OREGON AND EASTERN MOUNTAINS... .DISCUSSION...Isolated thunderstorms are expected across Central Oregon and the Eastern Mountains this afternoon and evening. There is some potential (20% chance) for nocturnal activity tonight into Sunday morning over portions of Central Oregon and the Eastern Mountains, followed by scattered showers and thunderstorms Sunday afternoon and evening. Low afternoon RHs briefly return today. Locally breezy winds will also develop through the Cascade gaps each afternoon and evening through 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. WAZ695-022330- East Washington South Central Cascade Mountains- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....75-85...except 66-76 ridges. * Min humidity........28-43 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....West winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (34-164) increasing to fair to good (265-531) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....48-55. * Max humidity........66-81 percent. * Humidity recovery...Good. * 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.......Near surface. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor to fair (110-358) decreasing to poor (25-122) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. * Max temperature.....72-82...except 63-73 ridges. * Min humidity........30-45 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.......8000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (25-134) increasing to poor to fair (137-309) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy. Lows 45 to 53. Highs 61 to 74. Northwest winds 4 to 10 mph. .TUESDAY...Partly cloudy. Lows 45 to 52. Highs 62 to 76. West winds 4 to 9 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 53. Highs 62 to 76. West winds 3 to 8 mph. .THURSDAY...Mostly cloudy with a chance of showers. Lows 48 to 54. Highs 60 to 74. West winds 2 to 7 mph. .FRIDAY...Partly cloudy with a slight chance of showers. Lows 47 to 54. Highs 64 to 77. Northwest winds 2 to 7 mph. $$ WAZ690-022330- Kittitas Valley- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....85-93...except 75-87 ridges. * Min humidity........19-27 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 4 to 9 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (85-197) increasing to fair to excellent (476-704) in the afternoon. .TONIGHT... * Sky/weather.........Clear. * Min temperature.....56-62. * Max humidity........54-69 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 7 to 13 mph with gusts up to 25 mph. * Ridges/upr slopes....Northwest winds 7 to 13 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 15 mph. * Ventilation Index...Fair to good (360-526) decreasing to poor (36-140) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. * Max temperature.....83-90...except 74-85 ridges. * Min humidity........19-28 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 around 10 mph. * Ventilation Index...Poor (40-160) increasing to fair (241-399) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy. Lows 55 to 60. Highs 77 to 85. Northwest winds 7 to 13 mph. .TUESDAY...Partly cloudy. Lows 54 to 59. Highs 78 to 86. West winds 6 to 12 mph. .WEDNESDAY...Partly cloudy. Lows 55 to 60. Highs 78 to 86. West winds 4 to 10 mph. .THURSDAY...A slight chance of showers. Mostly cloudy. Lows 56 to 61. Highs 76 to 84. West winds 4 to 9 mph. .FRIDAY...Partly cloudy. Lows 54 to 60. Highs 78 to 86. Northwest winds 4 to 9 mph. $$ WAZ694-022330- Yakama Alpine District- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-89...except 70-82 ridges. * Min humidity........21-34 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.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (30-94) increasing to fair to good (341-513) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....48-56. * Max humidity........59-74 percent. * Humidity recovery...Good...except Moderate ridges. * 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 around 10 mph. * Ventilation Index...Poor to fair (146-316) decreasing to poor (25-71) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Max temperature.....75-85...except 67-78 ridges. * Min humidity........23-38 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 5 to 10 mph. * Ventilation Index...Poor (25-67) increasing to poor to fair (186-314) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy. Lows 45 to 53. Highs 66 to 79. West winds 3 to 8 mph. .TUESDAY...Partly cloudy. Lows 44 to 52. Highs 68 to 81. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 55. Highs 67 to 81. West winds 2 to 7 mph. .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 49 to 56. Highs 66 to 79. West winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 47 to 54. Highs 69 to 82. West winds 2 to 7 mph. $$ ORZ691-WAZ691-022330- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Sunny. * Max temperature.....86-94. * Min humidity........16-22 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.......11000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (52-140) increasing to fair to good (458-674) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....56-62. * Max humidity........53-68 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 10 to 15 mph. * Ventilation Index...Fair (271-417) decreasing to poor (25-74) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A slight chance of showers in the afternoon. * Max temperature.....82-91. * Min humidity........20-27 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (34-136) increasing to fair (256-416) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy with a slight chance of showers. Lows 54 to 62. Highs 76 to 84. West winds 6 to 12 mph. .TUESDAY...Partly cloudy. Lows 52 to 59. Highs 80 to 87. Southwest winds 5 to 11 mph. .WEDNESDAY...Partly cloudy. Lows 55 to 61. Highs 81 to 87. West winds 4 to 10 mph. .THURSDAY...Mostly cloudy. Lows 58 to 63. Highs 79 to 87. Southwest winds 5 to 11 mph. .FRIDAY...Partly cloudy. Lows 56 to 61. Highs 81 to 87. West winds 4 to 9 mph. $$ ORZ692-WAZ692-022330- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-89...except 72-78 ridges. * Min humidity........20-26 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.......10500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (49-125) increasing to good to excellent (554-800) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-60. * Max humidity........42-57 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 2 to 5 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 to fair (192-298) decreasing to poor (25-65) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....78-87...except 71-77 ridges. * Min humidity........25-33 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....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....Southwest around 5 mph. * Ventilation Index...Poor (25-73) increasing to poor to fair (170-312) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 51 to 59. Highs 66 to 77. West winds 1 to 6 mph. .TUESDAY...Partly cloudy. Lows 47 to 55. Highs 71 to 82. Southwest winds 1 to 6 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 57. Highs 72 to 83. Southwest winds 2 to 7 mph. .THURSDAY...A slight chance of showers. Mostly cloudy. Lows 52 to 60. Highs 69 to 81. Southwest winds 2 to 7 mph. .FRIDAY...A slight chance of showers. Partly cloudy. Lows 51 to 58. Highs 69 to 80. West winds 2 to 7 mph. $$ ORZ693-WAZ693-022330- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-90...except 74-81 ridges. * Min humidity........20-26 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.......12500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (34-88) increasing to good to excellent (652-830) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-61. * Max humidity........40-55 percent. * Humidity recovery...Moderate...except Poor ridges. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....West winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Fair (209-313) decreasing to poor (25-58) after midnight. .SUNDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-88...except 72-81 ridges. * Min humidity........21-28 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....20 percent (slight chance). * Mixing height.......11000 ft agl. * Transport winds.....Southwest around 5 mph. * Ventilation Index...Poor (25-54) increasing to fair (241-407) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows 50 to 60. Highs 69 to 79. Terrain driven winds less than 5 mph. .TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows 46 to 56. Highs 75 to 84. Terrain driven winds less than 5 mph. .WEDNESDAY...Partly cloudy. Lows 48 to 58. Highs 77 to 87. Terrain driven winds less than 5 mph. .THURSDAY...Mostly cloudy. Lows 51 to 60. Highs 73 to 82. West winds 1 to 6 mph. .FRIDAY...A slight chance of showers. Mostly cloudy. Lows 49 to 59. Highs 72 to 81. West winds 2 to 7 mph. $$ ORZ701-022330- Eastern Columbia River Gorge of Oregon- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Sunny. * Max temperature.....85-90...except 80-86 ridges. * Min humidity........22-36 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 4 to 10 mph...except northwest 5 to 11 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (57-191) increasing to fair to good (449-597) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....53-59. * Max humidity........61-76 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Winds west winds 5 to 11 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 10 to 15 mph. * Ventilation Index...Fair (215-373) decreasing to poor (29-119) after midnight. .SUNDAY... * Sky/weather.........Mostly cloudy. * Max temperature.....79-84...except 73-81 ridges. * Min humidity........28-40 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 4 to 9 mph...except northwest 4 to 10 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (33-167) increasing to fair (298-468) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy. Lows 49 to 56. Highs 72 to 78. West winds 5 to 11 mph. .TUESDAY...Partly cloudy. Lows 49 to 55. Highs 77 to 82. West winds 6 to 12 mph. .WEDNESDAY...Partly cloudy. Lows 52 to 57. Highs 78 to 83. West winds 4 to 10 mph. .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 55 to 61. Highs 77 to 82. West winds 4 to 9 mph. .FRIDAY...Partly cloudy. Lows 53 to 59. Highs 80 to 85. West winds 3 to 8 mph. $$ ORZ702-022330- East Slopes of the Mt. Hood National Forest- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-88...except 73-82 ridges. * Min humidity........22-36 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds up to 5 mph in the morning becoming upslope less than 5 mph. * Ridges/upr slopes....Northwest winds 1 to 6 mph in the morning becoming light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (36-114) increasing to fair (254-476) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....48-56. * Max humidity........59-74 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 5 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 1 to 5 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 10 to 15 mph. * Ventilation Index...Poor to fair (83-247) decreasing to poor (25-72) after midnight. .SUNDAY... * Sky/weather.........Mostly cloudy. * Max temperature.....75-83...except 68-77 ridges. * Min humidity........29-43 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.......6500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (25-79) increasing to poor to fair (157-311) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Partly cloudy. Lows 44 to 52. Highs 62 to 77. West winds 2 to 7 mph. .TUESDAY...Partly cloudy. Lows 44 to 52. Highs 67 to 81. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 55. Highs 68 to 82. West winds 1 to 6 mph. .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 50 to 57. Highs 66 to 80. West winds 1 to 6 mph. .FRIDAY...Partly cloudy. Lows 49 to 56. Highs 69 to 82. West winds 1 to 6 mph. $$ ORZ695-022330- Eagle Cap Wilderness- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....75-86...except 64-75 ridges. * Min humidity........24-39 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.......11500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (38-104) increasing to fair to good (432-696) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....53-59...except 47-54 ridges. * Max humidity........41-53 percent. * Humidity recovery...Poor...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....North winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor to fair (134-258) decreasing to poor (25-64) after midnight. .SUNDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. * Max temperature.....74-85...except 63-75 ridges. * Min humidity........26-40 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....20 percent (slight chance). * Mixing height.......12000 ft agl. * Transport winds.....East around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-55) increasing to fair to good (322-508) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 46 to 56. Highs 59 to 74. Northwest winds 2 to 6 mph. .TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows 41 to 51. Highs 64 to 79. West winds 1 to 5 mph. .WEDNESDAY...Partly cloudy. Lows 45 to 54. Highs 67 to 82. West winds 1 to 6 mph. .THURSDAY...Mostly cloudy. Lows 47 to 56. Highs 64 to 79. West winds 2 to 7 mph. .FRIDAY...A slight chance of showers. Mostly cloudy. Lows 46 to 56. Highs 62 to 77. Northwest winds 1 to 6 mph. $$ ORZ694-022330- Grande Ronde Valley of Oregon- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....85-90. * Min humidity........22-27 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....North winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......10500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (64-106) increasing to good to excellent (643-791) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-57. * Max humidity........50-62 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 3 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.....Northwest 5 to 10 mph. * Ventilation Index...Fair (267-331) decreasing to poor (36-72) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. * Max temperature.....83-88. * Min humidity........24-29 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....20 percent (slight chance). * Mixing height.......10000 ft agl. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor (36-68) increasing to fair (221-323) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 53 to 58. Highs 75 to 80. Northwest winds 2 to 7 mph. .TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 52. Highs 80 to 85. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 83 to 88. Northwest winds 1 to 6 mph. .THURSDAY...Mostly cloudy. Lows 53 to 58. Highs 80 to 85. Northwest winds 2 to 7 mph. .FRIDAY...Mostly cloudy. Lows 52 to 57. Highs 78 to 83. Northwest winds 2 to 7 mph. $$ ORZ699-022330- Western Forested Blue Mountains- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....80-86...except 72-80 ridges. * Min humidity........22-31 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....20 percent (slight chance). * Mixing height.......11500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (38-86) increasing to good to excellent (565-729) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. A slight chance of showers in the evening. * Min temperature.....51-56. * Max humidity........47-57 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 to fair (150-306) decreasing to poor (25-51) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. * Max temperature.....77-84...except 70-78 ridges. * Min humidity........29-37 percent. * 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....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-39) increasing to fair to good (219-503) in the afternoon. .Forecast days 3 through 7...... .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 48 to 54. Highs 65 to 74. Terrain driven winds less than 5 mph. .TUESDAY...Mostly clear. Lows 44 to 49. Highs 71 to 79. Terrain driven winds less than 5 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 52. Highs 73 to 82. Terrain driven winds less than 5 mph. .THURSDAY...Partly cloudy. Lows 49 to 55. Highs 70 to 79. West winds 1 to 5 mph. .FRIDAY...Partly cloudy. Lows 48 to 54. Highs 69 to 77. West winds 1 to 5 mph. $$ ORZ696-022330- John Day Valley- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....82-90...except 77-82 ridges. * Min humidity........19-25 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....10 percent (very low chance). * Mixing height.......12500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (38-88) increasing to good to excellent (566-714) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. A slight chance of showers and thunderstorms in the evening. * Min temperature.....54-59. * Max humidity........48-59 percent. * Humidity recovery...Moderate. * 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 5 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Fair (217-405) decreasing to poor (25-63) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. * Max temperature.....80-88...except 75-80 ridges. * Min humidity........25-31 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....20 percent (slight chance). * Mixing height.......11000 ft agl. * Transport winds.....North around 5 mph shifting to the west in the afternoon. * Ventilation Index...Poor (25-47) increasing to fair (248-452) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A chance of showers and a slight chance of thunderstorms. Mostly cloudy. Lows 51 to 57. Highs 71 to 79. Northwest winds 1 to 5 mph. .TUESDAY...Mostly clear. Lows 46 to 52. Highs 76 to 84. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 78 to 87. Northwest winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 52 to 58. Highs 76 to 85. West winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 51 to 57. Highs 75 to 83. West winds 2 to 7 mph. $$ ORZ700-022330- Central Mountains of Oregon- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....82-88...except 75-81 ridges. * Min humidity........19-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......11500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (30-62) increasing to fair to good (462-600) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....49-56. * Max humidity........58-73 percent...except 52-62 percent ridges. * Humidity recovery...Good...except Moderate ridges. * 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....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Fair (297-419) decreasing to poor (25-46) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....80-85...except 73-79 ridges. * Min humidity........26-32 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. * CWR.................20 percent. * Chc of lightning....30 percent (chance). * Mixing height.......10500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (25-38) increasing to fair (250-434) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A chance of showers. Partly cloudy. Lows 46 to 53. Highs 71 to 79. Northwest winds 2 to 7 mph. .TUESDAY...Mostly clear. Lows 41 to 49. Highs 77 to 83. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 45 to 52. Highs 79 to 85. Northwest winds 2 to 7 mph. .THURSDAY...Partly cloudy. Lows 48 to 55. Highs 77 to 84. West winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 47 to 54. Highs 77 to 84. Northwest winds 2 to 7 mph. $$ ORZ703-022330- Warm Springs Reservation- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Sunny. * Max temperature.....83-92...except 70-80 ridges. * Min humidity........19-26 percent...except 25-40 percent ridges. * 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.......11000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (45-115) increasing to fair to good (432-598) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-58. * Max humidity........59-70 percent. * Humidity recovery...Moderate...except Good ridges. * 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 10 to 15 mph. * Ventilation Index...Poor to fair (193-369) decreasing to poor (25-66) after midnight. .SUNDAY... * Sky/weather.........Mostly cloudy. * Max temperature.....77-87...except 65-75 ridges. * Min humidity........26-34 percent...except 35-50 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * 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 5 to 10 mph. * Ventilation Index...Poor (25-74) increasing to fair (264-380) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A slight chance of showers. Partly cloudy. Lows 47 to 55. Highs 69 to 82. West winds 4 to 9 mph. .TUESDAY...Partly cloudy. Lows 47 to 52. Highs 74 to 86. West winds 4 to 9 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 87. West winds 2 to 7 mph. .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 53 to 58. Highs 73 to 86. West winds 3 to 8 mph. .FRIDAY...Partly cloudy. Lows 52 to 57. Highs 75 to 87. West winds 3 to 8 mph. $$ ORZ704-022330- Northern Deschutes National Forest- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....82-89...except 68-80 ridges. * Min humidity........22-29 percent...except 28-43 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....Northwest winds up to 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (36-98) increasing to fair to good (410-566) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....47-53. * Max humidity........66-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 6 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.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor to fair (165-335) decreasing to poor (25-57) after midnight. .SUNDAY... * Sky/weather.........Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....78-84...except 64-75 ridges. * Min humidity........30-37 percent...except 39-54 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph becoming northwest 1 to 6 mph in the afternoon. * CWR.................10 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......8500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-59) increasing to fair (219-339) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A slight chance of showers. Partly cloudy. Lows 42 to 49. Highs 64 to 78. West winds 2 to 7 mph. .TUESDAY...Partly cloudy. Lows 41 to 47. Highs 69 to 83. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 84. West winds 2 to 7 mph. .THURSDAY...A slight chance of showers. Mostly cloudy. Lows 47 to 54. Highs 69 to 82. West winds 3 to 8 mph. .FRIDAY...Mostly cloudy. Lows 47 to 53. Highs 70 to 84. Northwest winds 2 to 7 mph. $$ ORZ705-022330- Southern Deschutes National Forest- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....78-83...except 68-76 ridges. * Min humidity........27-37 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....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....North around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-49) increasing to fair (356-478) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....44-50. * Max humidity........78-93 percent. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 6 mph in the evening becoming light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor to fair (138-262) decreasing to poor (25-36) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....75-80...except 64-73 ridges. * Min humidity........33-41 percent...except 39-53 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....30 percent (chance). * Mixing height.......9000 ft agl. * Transport winds.....North around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-37) increasing to fair (278-436) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A chance of showers. Partly cloudy. Lows 40 to 45. Highs 65 to 74. Terrain driven winds less than 5 mph. .TUESDAY...Mostly clear. Lows 38 to 43. Highs 70 to 79. West winds 1 to 6 mph. .WEDNESDAY...Partly cloudy. Lows 41 to 47. Highs 72 to 82. West winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 43 to 49. Highs 71 to 82. West winds 1 to 6 mph. .FRIDAY...Partly cloudy. Lows 44 to 50. Highs 72 to 82. Northwest winds 1 to 6 mph. $$ ORZ697-022330- Central Blue Mountains- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. * Max temperature.....77-82...except 72-79 ridges. * Min humidity........27-36 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....20 percent (slight chance). * Mixing height.......11000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (35-81) increasing to fair to good (462-646) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....49-54. * Max humidity........56-71 percent. * Humidity recovery...Good...except Moderate ridges. * 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....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North around 5 mph. * Ventilation Index...Poor (90-196) decreasing to poor (25-53) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....76-81...except 70-77 ridges. * Min humidity........31-37 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....30 percent (chance). * Mixing height.......11000 ft agl. * Transport winds.....East around 5 mph shifting to the south in the afternoon. * Ventilation Index...Poor (25-45) increasing to fair to excellent (452-718) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A chance of showers and a slight chance of thunderstorms. Mostly cloudy. Lows 45 to 51. Highs 65 to 72. Terrain driven winds less than 5 mph. .TUESDAY...Mostly clear. Lows 41 to 47. Highs 71 to 78. West winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows 44 to 50. Highs 75 to 81. Terrain driven winds less than 5 mph. .THURSDAY...Partly cloudy. Lows 47 to 53. Highs 71 to 79. West winds 1 to 6 mph. .FRIDAY...Mostly cloudy. Lows 47 to 52. Highs 70 to 77. Northwest winds 2 to 7 mph. $$ ORZ698-022330- Southern Blue Mountains- 707 AM PDT Sat Aug 2 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....77-82...except 72-77 ridges. * Min humidity........23-30 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....20 percent (slight chance). * Mixing height.......11000 ft agl. * Transport winds.....North around 5 mph shifting to the west in the afternoon. * Ventilation Index...Poor (47-75) increasing to fair to good (494-594) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A chance of showers and a slight chance of thunderstorms in the evening. * Min temperature.....50-56. * Max humidity........64-79 percent...except 59-67 percent ridges. * Humidity recovery...Good...except Moderate ridges. * 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....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North 5 to 10 mph. * Ventilation Index...Poor to fair (146-266) decreasing to poor (25-58) after midnight. .SUNDAY... * Sky/weather.........Partly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....76-81...except 71-76 ridges. * Min humidity........26-33 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....30 percent (chance). * Mixing height.......11000 ft agl. * Transport winds.....Northeast around 5 mph shifting to the south in the afternoon. * Ventilation Index...Poor (25-44) increasing to fair to excellent (465-701) in the afternoon. .Forecast days 3 through 7...... .MONDAY...A slight chance of showers and thunderstorms. Partly cloudy. Lows 46 to 52. Highs 70 to 77. Northwest winds 2 to 7 mph. .TUESDAY...Mostly clear. Lows 42 to 48. Highs 75 to 82. Northwest winds 1 to 6 mph. .WEDNESDAY...Mostly clear. Lows 45 to 51. Highs 79 to 85. Northwest winds 1 to 6 mph. .THURSDAY...Partly cloudy. Lows 48 to 54. Highs 77 to 84. West winds 2 to 7 mph. .FRIDAY...Mostly cloudy. Lows 49 to 54. Highs 75 to 82. Northwest winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Saturday August 9 through Friday August 15... A greater chance of above-normal temperatures and near-normal precipitation. $$