


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
499 FNUS56 KPDT 011407 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 707 AM PDT Fri Aug 1 2025 .DISCUSSION...Showers and thunderstorms expected again this afternoon across much of the southern portion of the region. Some storms will be capable of producing heavy rains that could impact areas within the numerous burn scars form 2023 & 2024. Thunderstorms are expected to occur every afternoon through Monday. Winds will be mostly diurnally driven with locally breezy conditions through the Cascade Gaps. ***Thunderstorms imply strong gusty winds*** ***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- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....75-84...except 66-75 ridges. * Min humidity........35-50 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......8500 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor (35-197) increasing to fair to good (215-507) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....52-59...except 49-54 ridges. * Max humidity........64-79 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 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 15 mph. * Ventilation Index...Poor to fair (114-354) decreasing to poor (25-125) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....75-84...except 66-76 ridges. * Min humidity........29-44 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.......9500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (25-172) increasing to fair (236-492) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy. Lows 48 to 55. Highs 64 to 78. West winds 4 to 9 mph. .MONDAY...Partly cloudy. Lows 46 to 54. Highs 60 to 74. Northwest winds 4 to 10 mph. .TUESDAY...Partly cloudy. Lows 45 to 51. Highs 61 to 75. West winds 4 to 9 mph. .WEDNESDAY...Mostly cloudy. Lows 48 to 54. Highs 58 to 73. West winds 2 to 7 mph. .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 48 to 55. Highs 62 to 75. West winds 2 to 7 mph. $$ WAZ690-012330- Kittitas Valley- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....84-92...except 74-87 ridges. * Min humidity........26-34 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph. * Ridges/upr slopes....Northwest winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......9500 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor to fair (104-228) increasing to fair to good (482-670) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming mostly clear. * Min temperature.....58-65. * Max humidity........51-66 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 6 to 12 mph. * Ridges/upr slopes....Northwest winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 15 mph. * Ventilation Index...Fair (306-494) decreasing to poor (37-141) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....86-94...except 76-88 ridges. * Min humidity........19-27 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 4 to 10 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor to fair (65-209) increasing to fair to good (431-663) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Mostly clear. Lows 57 to 62. Highs 81 to 89. Northwest winds 7 to 13 mph. .MONDAY...Partly cloudy. Lows 55 to 61. Highs 77 to 85. Northwest winds 7 to 13 mph. .TUESDAY...Partly cloudy. Lows 52 to 58. Highs 77 to 85. West winds 6 to 12 mph. .WEDNESDAY...Mostly cloudy. Lows 55 to 61. Highs 75 to 83. West winds 3 to 8 mph. .THURSDAY...Mostly cloudy. Lows 55 to 61. Highs 77 to 85. West winds 4 to 9 mph. $$ WAZ694-012330- Yakama Alpine District- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of showers in the morning. * Max temperature.....81-89...except 71-83 ridges. * Min humidity........28-41 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 6 mph. * Ridges/upr slopes....West winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-98) increasing to fair (265-429) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....50-58. * Max humidity........64-79 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 7 mph. * Ridges/upr slopes....West winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (172-298) decreasing to poor (25-73) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-89...except 70-82 ridges. * Min humidity........22-37 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.......10000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-83) increasing to fair (302-460) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy. Lows 48 to 56. Highs 69 to 83. West winds 2 to 7 mph. .MONDAY...A slight chance of showers. Partly cloudy. Lows 45 to 53. Highs 66 to 79. West winds 4 to 9 mph. .TUESDAY...Partly cloudy. Lows 45 to 52. Highs 67 to 80. West winds 3 to 8 mph. .WEDNESDAY...Mostly cloudy. Lows 48 to 56. Highs 65 to 79. West winds 2 to 7 mph. .THURSDAY...Mostly cloudy. Lows 48 to 55. Highs 68 to 81. West winds 2 to 7 mph. $$ ORZ691-WAZ691-012330- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. * Max temperature.....87-92. * Min humidity........23-32 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......10500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (64-152) increasing to fair to good (366-516) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....59-65. * Max humidity........56-71 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 10 mph. * Ventilation Index...Poor to fair (175-377) decreasing to poor (25-71) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....87-95. * Min humidity........17-23 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.......10000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (44-154) increasing to fair to good (430-636) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Mostly clear with a slight chance of showers. Lows 57 to 63. Highs 81 to 90. West winds 5 to 11 mph. .MONDAY...A chance of showers. Mostly cloudy. Lows 54 to 62. Highs 76 to 85. West winds 6 to 12 mph. .TUESDAY...Partly cloudy. Lows 53 to 59. Highs 80 to 87. Southwest winds 5 to 11 mph. .WEDNESDAY...Partly cloudy. Lows 56 to 62. Highs 79 to 86. West winds 4 to 9 mph. .THURSDAY...Partly cloudy. Lows 56 to 62. Highs 81 to 87. Southwest winds 4 to 10 mph. $$ ORZ692-WAZ692-012330- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon. * Max temperature.....76-87...except 69-75 ridges. * Min humidity........36-51 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 6 mph. * Ridges/upr slopes....West winds 1 to 5 mph in the morning becoming light less than 5 mph. * CWR.................20 percent. * Chc of lightning....40 percent (chance). * Mixing height.......6500 ft agl. * Transport winds.....Southwest around 10 mph. * Ventilation Index...Poor (35-119) increasing to poor to fair (166-320) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....53-62. * Max humidity........61-76 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (60-138) decreasing to poor (25-59) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-90...except 73-79 ridges. * Min humidity........21-28 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (34-114) increasing to fair to good (463-631) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Mostly clear with a slight chance of showers. Lows 52 to 60. Highs 74 to 84. West winds 2 to 7 mph. .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 50 to 58. Highs 64 to 76. West winds 1 to 6 mph. .TUESDAY...Mostly clear. Lows 46 to 54. Highs 70 to 81. Southwest winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 58. Highs 69 to 80. West winds 2 to 7 mph. .THURSDAY...Partly cloudy. Lows 50 to 58. Highs 69 to 81. Southwest winds 2 to 7 mph. $$ ORZ693-WAZ693-012330- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. * Max temperature.....75-84...except 68-77 ridges. * Min humidity........42-53 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................50 percent. * Chc of lightning....50 percent (chance). * Mixing height.......7000 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (26-82) increasing to poor (98-198) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A chance of showers and thunderstorms in the evening. * Min temperature.....52-61. * Max humidity........67-82 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................20 percent. * Chc of lightning....30 percent (chance). * Mixing height.......Near surface. * Transport winds.....Southwest around 5 mph. * Ventilation Index...Poor (25-80) decreasing to poor (25-57) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....80-89...except 73-82 ridges. * Min humidity........22-28 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.......12000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-75) increasing to fair to good (449-637) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows 51 to 61. Highs 78 to 87. West winds 1 to 5 mph. .MONDAY...Not as warm. Mostly cloudy with a chance of showers and thunderstorms. Lows 50 to 60. Highs 67 to 76. Terrain driven winds less than 5 mph. .TUESDAY...A slight chance of showers and thunderstorms. Partly cloudy. Lows 45 to 55. Highs 74 to 84. Terrain driven winds less than 5 mph. .WEDNESDAY...Partly cloudy. Lows 48 to 58. Highs 73 to 83. West winds 1 to 5 mph. .THURSDAY...Mostly cloudy. Lows 48 to 58. Highs 73 to 82. West winds 1 to 6 mph. $$ ORZ701-012330- Eastern Columbia River Gorge of Oregon- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....84-89. * Min humidity........25-38 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph...except northwest 4 to 10 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West around 15 mph. * Ventilation Index...Poor to fair (66-208) increasing to fair to good (383-547) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....55-61. * Max humidity........61-76 percent. * Humidity recovery...Good...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 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 (225-365) decreasing to poor (31-119) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....85-90...except 79-87 ridges. * Min humidity........23-37 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph...except west 4 to 10 mph in the eastern Columbia River Gorge. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (47-193) increasing to fair to good (413-567) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy. Lows 52 to 59. Highs 76 to 81. West winds 5 to 11 mph. .MONDAY...Partly cloudy. Lows 49 to 56. Highs 73 to 78. West winds 6 to 12 mph. .TUESDAY...Partly cloudy. Lows 49 to 55. Highs 78 to 83. West winds 6 to 12 mph. .WEDNESDAY...Mostly cloudy. Lows 53 to 59. Highs 76 to 81. West winds 3 to 8 mph. .THURSDAY...Mostly cloudy. Lows 54 to 60. Highs 80 to 85. West winds 4 to 9 mph. $$ ORZ702-012330- East Slopes of the Mt. Hood National Forest- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Max temperature.....82-89...except 74-84 ridges. * Min humidity........26-39 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 6 mph. * Ridges/upr slopes....West winds 1 to 5 mph in the morning becoming light less than 5 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (33-123) increasing to fair (217-385) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....50-59. * Max humidity........58-73 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 6 mph. * Ridges/upr slopes....light winds less than 5 mph becoming west 1 to 5 mph after midnight. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor to fair (90-262) decreasing to poor (25-76) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89...except 74-83 ridges. * Min humidity........24-38 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 1 to 6 mph. * Ridges/upr slopes....West winds 1 to 5 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 (25-101) increasing to fair (239-431) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy. Lows 48 to 56. Highs 65 to 80. West winds 2 to 7 mph. .MONDAY...A slight chance of showers. Partly cloudy. Lows 44 to 52. Highs 62 to 77. West winds 2 to 7 mph. .TUESDAY...Partly cloudy. Lows 45 to 52. Highs 67 to 81. West winds 2 to 7 mph. .WEDNESDAY...Mostly cloudy. Lows 49 to 56. Highs 66 to 80. West winds 1 to 5 mph. .THURSDAY...Mostly cloudy. Lows 50 to 57. Highs 69 to 83. West winds 1 to 6 mph. $$ ORZ695-012330- Eagle Cap Wilderness- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. * Max temperature.....71-82...except 59-71 ridges. * Min humidity........41-55 percent...except 54-69 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................50 percent. * Chc of lightning....50 percent (chance). * Mixing height.......7500 ft agl. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor (25-63) increasing to poor to fair (79-217) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....53-59...except 46-54 ridges. * Max humidity........63-78 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor (30-88) decreasing to poor (25-59) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....76-87...except 64-75 ridges. * Min humidity........24-38 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (27-83) increasing to fair to good (376-574) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 48 to 57. Highs 67 to 82. Northwest winds 1 to 5 mph. .MONDAY...Cooler. Mostly cloudy with a chance of showers and thunderstorms. Lows 45 to 55. Highs 57 to 72. Northwest winds 2 to 7 mph. .TUESDAY...A slight chance of showers and thunderstorms. Mostly clear. Lows 41 to 51. Highs 63 to 78. West winds 1 to 5 mph. .WEDNESDAY...Partly cloudy. Lows 45 to 54. Highs 64 to 79. West winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 45 to 55. Highs 63 to 78. West winds 1 to 6 mph. $$ ORZ694-012330- Grande Ronde Valley of Oregon- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon. * Max temperature.....81-86. * Min humidity........39-44 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * CWR.................40 percent. * Chc of lightning....50 percent (chance). * Mixing height.......6000 ft agl. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor (63-93) increasing to poor to fair (198-284) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....53-58. * Max humidity........68-82 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....Northwest winds 2 to 5 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 around 5 mph. * Ventilation Index...Poor (66-114) decreasing to poor (29-55) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....85-90. * 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....20 percent (slight chance). * Mixing height.......10000 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (55-95) increasing to good (544-650) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 53 to 58. Highs 83 to 88. Northwest winds 2 to 7 mph. .MONDAY...Not as warm. Mostly cloudy with a chance of showers and thunderstorms. Lows 51 to 56. Highs 73 to 78. Northwest winds 2 to 7 mph. .TUESDAY...Mostly clear. Lows 46 to 51. Highs 79 to 84. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 79 to 84. Northwest winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 51 to 56. Highs 79 to 84. Northwest winds 2 to 7 mph. $$ ORZ699-012330- Western Forested Blue Mountains- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. * Max temperature.....77-84...except 69-78 ridges. * Min humidity........29-42 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................20 percent. * Chc of lightning....40 percent (chance). * Mixing height.......8500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (33-87) increasing to fair (212-350) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....51-57. * Max humidity........61-73 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor to fair (89-223) decreasing to poor (25-53) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-86...except 72-80 ridges. * Min humidity........23-31 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.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-69) increasing to fair to good (437-569) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 50 to 57. Highs 72 to 81. Terrain driven winds less than 5 mph. .MONDAY...A chance of showers and a slight chance of thunderstorms. Mostly cloudy. Lows 46 to 53. Highs 64 to 74. Terrain driven winds less than 5 mph. .TUESDAY...Mostly clear. Lows 43 to 50. Highs 70 to 78. Terrain driven winds less than 5 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 53. Highs 69 to 78. Terrain driven winds less than 5 mph. .THURSDAY...Partly cloudy. Lows 47 to 53. Highs 70 to 79. West winds 1 to 5 mph. $$ ORZ696-012330- John Day Valley- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. * Max temperature.....81-88...except 76-81 ridges. * Min humidity........23-29 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10000 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (37-89) increasing to fair (284-410) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....54-60. * Max humidity........57-69 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 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 around 5 mph. * Ventilation Index...Poor to fair (163-303) decreasing to poor (25-58) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....82-90...except 77-82 ridges. * Min humidity........20-25 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....20 percent (slight chance). * Mixing height.......11500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (27-69) increasing to fair to good (399-523) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 54 to 60. Highs 77 to 86. Northwest winds 1 to 5 mph. .MONDAY...A chance of showers and a slight chance of thunderstorms. Mostly cloudy. Lows 50 to 56. Highs 70 to 79. Northwest winds 1 to 5 mph. .TUESDAY...Mostly clear. Lows 47 to 53. Highs 76 to 84. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 50 to 56. Highs 75 to 83. West winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 51 to 57. Highs 77 to 85. West winds 1 to 6 mph. $$ ORZ700-012330- Central Mountains of Oregon- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....82-89...except 75-80 ridges. * Min humidity........22-28 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.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......11500 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (34-76) increasing to fair to good (388-512) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....50-57. * Max humidity........59-74 percent. * Humidity recovery...Good...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 6 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 (267-391) decreasing to poor (25-44) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....82-89...except 76-81 ridges. * Min humidity........20-25 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.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-52) increasing to fair (339-459) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 50 to 56. Highs 76 to 83. Northwest winds 2 to 7 mph. .MONDAY...A chance of showers and a slight chance of thunderstorms. Partly cloudy. Lows 44 to 52. Highs 71 to 79. Northwest winds 2 to 7 mph. .TUESDAY...Mostly clear. Lows 41 to 50. Highs 76 to 83. West winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 46 to 54. Highs 77 to 83. West winds 2 to 7 mph. .THURSDAY...Partly cloudy. Lows 47 to 54. Highs 78 to 85. West winds 2 to 7 mph. $$ ORZ703-012330- Warm Springs Reservation- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming mostly sunny. * Max temperature.....84-92...except 71-82 ridges. * Min humidity........21-29 percent...except 29-44 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.......10500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (46-128) increasing to fair to good (365-553) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....53-58. * Max humidity........56-67 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 10 mph. * Ventilation Index...Poor to fair (188-376) decreasing to poor (25-69) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....83-92...except 71-80 ridges. * Min humidity........20-27 percent...except 27-42 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.......10500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (30-98) increasing to fair (374-498) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a slight chance of showers. Lows 51 to 57. Highs 71 to 85. West winds 4 to 9 mph. .MONDAY...A slight chance of showers. Partly cloudy. Lows 47 to 54. Highs 68 to 82. West winds 4 to 10 mph. .TUESDAY...Partly cloudy. Lows 47 to 52. Highs 73 to 86. West winds 4 to 9 mph. .WEDNESDAY...Partly cloudy. Lows 51 to 56. Highs 73 to 85. West winds 2 to 7 mph. .THURSDAY...Mostly cloudy. Lows 53 to 58. Highs 76 to 88. West winds 3 to 8 mph. $$ ORZ704-012330- Northern Deschutes National Forest- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....83-89...except 69-80 ridges. * Min humidity........24-32 percent...except 32-47 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 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (42-124) increasing to fair (316-434) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. * Min temperature.....48-54. * Max humidity........62-77 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....West winds up to 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 (153-285) decreasing to poor (25-63) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....82-89...except 68-79 ridges. * Min humidity........24-30 percent...except 31-46 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.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (26-82) increasing to fair (333-457) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a slight chance of showers. Lows 46 to 52. Highs 66 to 81. West winds 2 to 7 mph. .MONDAY...A chance of showers. Partly cloudy. Lows 43 to 49. Highs 64 to 77. West winds 2 to 7 mph. .TUESDAY...Partly cloudy. Lows 41 to 48. Highs 68 to 82. West winds 3 to 8 mph. .WEDNESDAY...Partly cloudy. Lows 46 to 52. Highs 68 to 82. West winds 2 to 7 mph. .THURSDAY...Partly cloudy. Lows 47 to 53. Highs 71 to 85. West winds 2 to 7 mph. $$ ORZ705-012330- Southern Deschutes National Forest- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Partly cloudy. A chance of showers and thunderstorms in the afternoon. * Max temperature.....78-84...except 69-77 ridges. * Min humidity........26-34 percent...except 32-45 percent ridges. * 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....40 percent (chance). * Mixing height.......10500 ft agl. * Transport winds.....West around 5 mph. * Ventilation Index...Poor (30-56) increasing to fair (302-414) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A chance of showers and thunderstorms in the evening. * Min temperature.....44-50. * Max humidity........74-89 percent...except 63-78 percent ridges. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................10 percent. * Chc of lightning....40 percent (chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor to fair (114-236) decreasing to poor (25-37) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny. * Max temperature.....78-84...except 68-76 ridges. * Min humidity........27-34 percent...except 32-45 percent ridges. * 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.......10000 ft agl. * Transport winds.....Northwest around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-43) increasing to fair (305-395) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 44 to 50. Highs 68 to 78. Northwest winds 1 to 5 mph. .MONDAY...A chance of showers. Partly cloudy. Lows 39 to 45. Highs 65 to 74. Northwest winds 1 to 5 mph. .TUESDAY...Mostly clear. Lows 38 to 44. Highs 70 to 80. West winds 1 to 6 mph. .WEDNESDAY...Partly cloudy. Lows 42 to 48. Highs 70 to 80. West winds 1 to 5 mph. .THURSDAY...Partly cloudy. Lows 43 to 49. Highs 73 to 83. West winds 1 to 6 mph. $$ ORZ697-012330- Central Blue Mountains- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming 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.....76-81...except 69-77 ridges. * Min humidity........29-39 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.......8000 ft agl. * Transport winds.....Northwest around 5 mph. * Ventilation Index...Poor (35-85) increasing to fair (238-354) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....48-54. * Max humidity........65-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North around 5 mph. * Ventilation Index...Poor to fair (115-219) decreasing to poor (25-56) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....78-83...except 72-79 ridges. * Min humidity........26-34 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 5 to 10 mph. * Ventilation Index...Poor (25-65) increasing to fair to good (373-501) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 47 to 54. Highs 72 to 79. Terrain driven winds less than 5 mph. .MONDAY...A chance of showers and a slight chance of thunderstorms. Mostly cloudy. Lows 44 to 50. Highs 64 to 72. Northwest winds 1 to 5 mph. .TUESDAY...Mostly clear. Lows 41 to 47. Highs 70 to 77. West winds 1 to 5 mph. .WEDNESDAY...Partly cloudy. Lows 45 to 51. Highs 71 to 78. Terrain driven winds less than 5 mph. .THURSDAY...Partly cloudy. Lows 45 to 51. Highs 72 to 79. West winds 1 to 6 mph. $$ ORZ698-012330- Southern Blue Mountains- 707 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....76-81...except 71-77 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.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......9500 ft agl. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (50-92) increasing to fair (337-441) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....51-56. * Max humidity........63-75 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....North around 10 mph. * Ventilation Index...Poor to fair (192-294) decreasing to poor (25-58) after midnight. .SATURDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-85. * 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.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10500 ft agl. * Transport winds.....North around 5 mph shifting to the west in the afternoon. * Ventilation Index...Poor (30-60) increasing to fair (332-450) in the afternoon. .Forecast days 3 through 7...... .SUNDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows 49 to 55. Highs 76 to 83. Terrain driven winds less than 5 mph. .MONDAY...A chance of showers and a slight chance of thunderstorms. Partly cloudy. Lows 45 to 51. Highs 69 to 75. Northwest winds 2 to 7 mph. .TUESDAY...Mostly clear. Lows 42 to 48. Highs 74 to 81. Northwest winds 2 to 7 mph. .WEDNESDAY...Partly cloudy. Lows 46 to 51. Highs 76 to 83. West winds 1 to 6 mph. .THURSDAY...Partly cloudy. Lows 47 to 53. Highs 77 to 83. West winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Friday August 8 through Thursday August 14... A greater chance of above average temperatures and above average precipitation. $$