FNUS56 KOTX 232106 FWFOTX Fire Weather Planning Forecast for Eastern Washington and North Idaho National Weather Service Spokane WA 206 PM PDT Sun Aug 23 2026 .DISCUSSION... Central WA: - Poor to good relative humidity recoveries valleys, fair to excellent mountains. - Warmer and drier Monday and Tuesday with lighter terrain driven winds. Eastern WA: - Isolated showers and thunderstorms near the Canadian border in the early evening. - Fair to excellent relative humidity recoveries valleys, fair to good northern mountains, poor Blue Mountains. - Warmer and drier Monday and Tuesday with lighter terrain driven winds. North ID: - Isolated showers and thunderstorms near the Canadian border in the early evening. - Good to excellent relative humidity recoveries valleys, fair to good mountains. - Warmer and drier Monday and Tuesday with lighter terrain driven winds. Isolated showers and thunderstorms will be limited to areas near the Canadian border through the early evening. Weather trends warmer with light winds Monday and Tuesday. A ridge break down late Wednesday into Thursday will bring the next round of elevated to possible locally critical fire weather conditions as breezy winds develop. *************************************************************** Forecasts for 20 foot wind speeds (valleys and ridge tops) are 10 minute averages reflecting RAWS wind. ***Ventilation Index is derived from transport wind multiplied by the mixing height divided by 100. Categories: low (< 200), moderate (200-500), high (500-800), and very high (> 800). *************************************************************** WAZ696-698-241345- East Washington Central Cascades (Zone 696)- East Washington North Cascades (Zone 698)- Including the cities of Stevens Pass, Lake Wenatchee Area, and Leavenworth 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....51-61 valleys and 44-54 mountains. * 24 hr Trend........1 degree cooler. * Max Humidity........55-70 percent valleys and 65-80 percent mountains. * 24 hr Trend........10 percent drier valleys, and 30 percent drier mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...Northwest up to 10 mph. Gusts up to 25 mph in the evening. * Ridges/Upr Slopes....North up to 10 mph. Gusts up to 25 mph in the evening. * Mixing Height.......3000 ft AGL falling to near surface. * Transport Winds.....Northwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (545) in the evening decreasing to low (45) overnight. .MONDAY... * Sky/Weather.........Sunny. Smoke and haze. * Chance of Lightning...0 percent. * Max Temperature.....79-89 valleys and 68-78 mountains. * 24 hr Trend........18 degrees warmer. * Min Humidity........25-35 percent valleys and 30-45 percent mountains. * 24 hr Trend........2 percent drier valleys, and 10 percent drier mountains. * 20-foot winds....... * Valleys/Lwr Slopes...Southeast 3 to 6 mph. * Ridges/Upr Slopes....Southeast 3 to 7 mph. * Mixing Height.......5500 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (382). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze and smoke. * Chance of Lightning...0 percent. * Min Temperature.....57-66 valleys and 50-60 mountains. * Max Humidity........40-55 percent. * Humidity Recovery...Poor. * 20-foot winds....... * Valleys/Lwr Slopes...East up to 5 mph in the evening shifting to the north overnight. * Ridges/Upr Slopes....Southeast 3 to 6 mph in the evening shifting to the northeast 3 to 7 mph overnight. * Mixing Height.......4500 ft AGL falling to near surface. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (328) in the evening decreasing to low (39) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....85-95 valleys and 73-83 mountains. * Min Humidity........22-30 percent. * 20-foot winds....... * Valleys/Lwr Slopes...North up to 5 mph in the morning shifting to the southeast 3 to 6 mph in the afternoon. * Ridges/Upr Slopes....North 3 to 7 mph in the morning shifting to the southeast in the afternoon. * Mixing Height.......9000 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (377) in the morning increasing to very high (1039) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. A chance of showers and thunderstorms. Lows 59 to 69 valleys...54 to 64 mountains. Highs 82 to 92 valleys...70 to 80 mountains. West wind up to 10 mph. .THURSDAY...Partly cloudy. Lows 53 to 63 valleys...46 to 56 mountains. Highs 71 to 81 valleys...61 to 71 mountains. West wind 5 to 10 mph. .FRIDAY...Mostly clear. Lows 49 to 59 valleys...41 to 51 mountains. Highs 73 to 83 valleys...61 to 71 mountains. West wind up to 10 mph. .SATURDAY...Partly cloudy. Lows 49 to 59 valleys...41 to 51 mountains. Highs 69 to 79 valleys...58 to 68 mountains. .SUNDAY...Mostly clear. Lows 47 to 57 valleys...39 to 49 mountains. Highs 73 to 83 valleys...60 to 70 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ697-241345- East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697)- Including the city of Stehekin 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....52-62 valleys and 43-53 mountains. * 24 hr Trend........1 degree warmer. * Max Humidity........55-70 percent valleys and 70-80 percent mountains. * 24 hr Trend........Unchanged valleys, and 10 percent drier mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...Northwest 3 to 8 mph in the evening shifting to the north 3 to 5 mph overnight. * Ridges/Upr Slopes....Northwest 3 to 9 mph in the evening shifting to the northeast overnight. * Mixing Height.......2500 ft AGL falling to near surface. * Transport Winds.....North 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (324) in the evening decreasing to low (31) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze and smoke. * Chance of Lightning...0 percent. * Max Temperature.....81-91 valleys and 69-79 mountains. * 24 hr Trend........17 degrees warmer. * Min Humidity........26-40 percent. * 24 hr Trend........20 percent drier valleys, and 25 percent drier mountains. * 20-foot winds....... * Valleys/Lwr Slopes...Southeast 3 to 9 mph. * Ridges/Upr Slopes....Southeast 3 to 9 mph. * Mixing Height.......6000 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (377). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....60-67 valleys and 50-60 mountains. * Max Humidity........40-55 percent. * Humidity Recovery...Poor. * 20-foot winds....... * Valleys/Lwr Slopes...East 3 to 11 mph. * Ridges/Upr Slopes....East 3 to 11 mph. * Mixing Height.......5000 ft AGL falling to near surface. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (392) in the evening decreasing to low (31) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....87-97 valleys and 74-84 mountains. * Min Humidity........20-30 percent. * 20-foot winds....... * Valleys/Lwr Slopes...Southeast 3 to 11 mph. * Ridges/Upr Slopes....Southeast 3 to 11 mph. * Mixing Height.......10500 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (363) in the morning increasing to very high (1052) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 60 to 69 valleys...52 to 62 mountains. Highs 81 to 91 valleys...69 to 79 mountains. West wind up to 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy. Lows 51 to 61 valleys... 44 to 54 mountains. Highs 71 to 81 valleys...59 to 69 mountains. West wind 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 49 to 59 valleys...40 to 50 mountains. Highs 68 to 78 valleys...56 to 66 mountains. .SUNDAY...Mostly clear. Lows 47 to 57 valleys...39 to 49 mountains. Highs 72 to 82 valleys...60 to 70 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ704-241345- Methow Valley (Zone 704)- Including the cities of Mazama, Winthrop, and Twisp 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Haze. * Chance of Lightning...0 percent. * Min Temperature.....51-61. * 24 hr Trend........6 degrees cooler. * Max Humidity........60-75 percent. * 24 hr Trend........5 percent drier. * Humidity Recovery...Fair. * 20-foot winds.......Northwest up to 9 mph. Gusts up to 20 mph in the evening. * Mixing Height.......4500 ft AGL falling to near surface. * Transport Winds.....Northwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (670) in the evening decreasing to low (47) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze. * Chance of Lightning...0 percent. * Max Temperature.....81-90. * 24 hr Trend........4 degrees warmer. * Min Humidity........22-27 percent. * 24 hr Trend........3 percent drier. * 20-foot winds.......North up to 4 mph in the morning shifting to the southeast 3 to 6 mph in the afternoon. * Mixing Height.......6000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (412). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze through the night. * Chance of Lightning...0 percent. * Min Temperature.....55-65. * Max Humidity........40-55 percent. * Humidity Recovery...Poor. * 20-foot winds.......East up to 5 mph in the evening shifting to the northwest up to 4 mph overnight. * Mixing Height.......5000 ft AGL falling to near surface. * Transport Winds.....North 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (301) in the evening decreasing to low (48) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....88-96. * Min Humidity........16-20 percent. * 20-foot winds.......North up to 5 mph in the morning shifting to the southeast 3 to 6 mph in the afternoon. * Mixing Height.......8000 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (247) in the morning increasing to high (727) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 59 to 69. Highs 86 to 95. West wind up to 10 mph. .THURSDAY...Mostly clear. Lows 53 to 63. Highs 77 to 87. West wind up to 10 mph. .FRIDAY...Mostly clear. Lows 48 to 58. Highs 76 to 85. West wind up to 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 47 to 57. Highs 74 to 84. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ703-241345- Okanogan Valley (Zone 703)- Including the cities of Conconully and Omak 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Haze and smoke. * Chance of Lightning...0 percent. * Min Temperature.....55-61. * 24 hr Trend........8 degrees cooler. * Max Humidity........50-65 percent. * 24 hr Trend........Unchanged. * Humidity Recovery...Fair. * 20-foot winds.......North 3 to 8 mph. * Mixing Height.......6000 ft AGL falling to near surface. * Transport Winds.....North 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (712) in the evening decreasing to low (40) overnight. .MONDAY... * Sky/Weather.........Sunny. Smoke and haze. * Chance of Lightning...0 percent. * Max Temperature.....81-89. * 24 hr Trend........7 degrees warmer. * Min Humidity........23-29 percent. * 24 hr Trend........2 percent drier. * 20-foot winds.......North 3 to 7 mph in the morning shifting to the southeast 3 to 5 mph in the afternoon. * Mixing Height.......6500 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (281). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze. * Chance of Lightning...0 percent. * Min Temperature.....59-65. * Max Humidity........40-55 percent. * Humidity Recovery...Poor. * 20-foot winds.......North up to 7 mph. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....North 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (228). .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....88-96. * Min Humidity........17-22 percent. * 20-foot winds.......North 3 to 8 mph in the morning shifting to the east 3 to 6 mph in the afternoon. * Mixing Height.......8000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (200) in the morning increasing to high (539) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 63 to 68. Highs 87 to 96. Southwest wind 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 58 to 63. Highs 79 to 87. Southwest wind up to 10 mph. .FRIDAY...Mostly clear. Lows 53 to 58. Highs 76 to 85. West wind up to 10 mph. .SATURDAY...Partly cloudy. Lows 51 to 57. Highs 74 to 82. .SUNDAY...Mostly clear. Lows 50 to 55. Highs 75 to 84. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ702-241345- Colville Reservation (Zone 702)- Including the cities of Nespelem and Keller 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....53-59. * 24 hr Trend........1 degree cooler. * Max Humidity........55-70 percent. * 24 hr Trend........5 percent drier valleys, and 15 percent drier mountains. * Humidity Recovery...Fair. * 20-foot winds....... * Valleys/Lwr Slopes...North 3 to 6 mph. * Ridges/Upr Slopes....North 3 to 6 mph. * Mixing Height.......7500 ft AGL falling to near surface. * Transport Winds.....North 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Very high (841) in the evening decreasing to low (43) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze in the afternoon. * Chance of Lightning...0 percent. * Max Temperature.....80-90 valleys and 73-83 mountains. * 24 hr Trend........6 degrees warmer. * Min Humidity........23-30 percent. * 24 hr Trend........2 percent drier valleys, and 10 percent drier mountains. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast 3 to 5 mph in the morning shifting to the southeast 3 to 4 mph in the afternoon. * Ridges/Upr Slopes....Northeast 3 to 5 mph in the morning shifting to the southeast 3 to 4 mph in the afternoon. * Mixing Height.......6500 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (271). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy then becoming mostly cloudy. Haze until early morning. * Chance of Lightning...0 percent. * Min Temperature.....56-61. * Max Humidity........45-60 percent. * Humidity Recovery...Poor. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast up to 6 mph. * Ridges/Upr Slopes....Northeast up to 6 mph. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (243) in the evening decreasing to low (42) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....88-98 valleys and 80-90 mountains. * Min Humidity........16-22 percent. * 20-foot winds....... * Valleys/Lwr Slopes...North 3 to 6 mph in the morning shifting to the east 3 to 5 mph in the afternoon. * Ridges/Upr Slopes....North 3 to 6 mph in the morning shifting to the east 3 to 4 mph in the afternoon. * Mixing Height.......9000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (251) in the morning increasing to very high (857) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 61 to 66. Highs 85 to 95 valleys...78 to 88 mountains. Southeast wind up to 10 mph. .THURSDAY...Partly cloudy. Lows 57 to 62. Highs 76 to 86 valleys...70 to 79 mountains. South wind up to 10 mph. .FRIDAY...Mostly clear. Lows 51 to 57. Highs 74 to 84 valleys... 68 to 77 mountains. Southwest wind up to 5 mph. .SATURDAY...Partly cloudy. Lows 49 to 55. Highs 72 to 82 valleys...66 to 75 mountains. .SUNDAY...Mostly clear. Lows 47 to 54. Highs 73 to 83 valleys... 66 to 76 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ699-241345- Okanogan Highlands and Kettle Mountains (Zone 699)- Including the cities of Republic and Curlew 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....48-57. * 24 hr Trend........6 degrees cooler. * Max Humidity........75-90 percent valleys and 65-80 percent mountains. * 24 hr Trend........20 percent wetter valleys, and unchanged mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...North up to 4 mph. * Ridges/Upr Slopes....North up to 4 mph. * Mixing Height.......5000 ft AGL falling to near surface. * Transport Winds.....North 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (558) in the evening decreasing to low (38) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze early in the morning. * Chance of Lightning...0 percent. * Max Temperature.....79-89 valleys and 72-82 mountains. * 24 hr Trend........11 degrees warmer. * Min Humidity........25-35 percent. * 24 hr Trend........10 percent drier. * 20-foot winds....... * Valleys/Lwr Slopes...North up to 4 mph in the morning shifting to the east 3 to 4 mph in the afternoon. * Ridges/Upr Slopes....Northeast up to 4 mph in the morning shifting to the east 3 to 4 mph in the afternoon. * Mixing Height.......7000 ft AGL. * Transport Winds.....East around 5 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (286). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy then becoming mostly cloudy. * Chance of Lightning...0 percent. * Min Temperature.....51-60. * Max Humidity........55-70 percent. * Humidity Recovery...Fair. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast up to 5 mph. * Ridges/Upr Slopes....Northeast up to 5 mph. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (293) in the evening decreasing to low (33) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....87-97 valleys and 79-89 mountains. * Min Humidity........17-25 percent. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast up to 5 mph. * Ridges/Upr Slopes....North 3 to 5 mph in the morning shifting to the east 3 to 4 mph in the afternoon. * Mixing Height.......10000 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (242) in the morning increasing to very high (909) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows 56 to 64. Highs 87 to 97 valleys...78 to 88 mountains. Southeast wind up to 10 mph. .THURSDAY...Partly cloudy. Lows 54 to 61. Highs 79 to 89 valleys...70 to 79 mountains. Southwest wind up to 10 mph. .FRIDAY...Partly cloudy. Lows 47 to 56. Highs 76 to 86 valleys... 68 to 77 mountains. Southwest wind up to 5 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy. Lows 43 to 53. Highs 73 to 83 valleys...66 to 76 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ700-701-241345- Selkirk Mountains of Northeast Washington (Zone 700)- Foothills of Northeast Washington (Zone 701)- Including the cities of Metaline Falls, Ione, Colville, Deer Park, and Newport 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Haze. * Chance of Lightning...0 percent. * Min Temperature.....48-58. * 24 hr Trend........7 degrees cooler valleys, and 2 degrees cooler mountains. * Max Humidity........75-90 percent valleys and 70-80 percent mountains. * 24 hr Trend........Unchanged valleys, and 20 percent drier mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...Northwest up to 6 mph in the evening shifting to the north up to 4 mph overnight. * Ridges/Upr Slopes....Northwest 3 to 6 mph. * Mixing Height.......7000 ft AGL falling to near surface. * Transport Winds.....Northwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Very high (970) in the evening decreasing to low (29) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze. * Chance of Lightning...0 percent. * Max Temperature.....81-89 valleys and 71-81 mountains. * 24 hr Trend........7 degrees warmer. * Min Humidity........23-30 percent valleys and 27-40 percent mountains. * 24 hr Trend........6 percent drier. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast up to 4 mph. * Ridges/Upr Slopes....Northeast 3 to 4 mph in the morning shifting to the south in the afternoon. * Mixing Height.......6000 ft AGL. * Transport Winds.....East around 5 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (252). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze. * Chance of Lightning...0 percent. * Min Temperature.....51-61. * Max Humidity........65-80 percent valleys and 50-65 percent mountains. * Humidity Recovery...Fair. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast up to 6 mph. * Ridges/Upr Slopes....Northeast up to 8 mph. * Mixing Height.......5000 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (245) in the evening decreasing to low (34) overnight. .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....89-98 valleys and 79-89 mountains. * Min Humidity........16-25 percent. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast 3 to 6 mph. * Ridges/Upr Slopes....Northeast 3 to 7 mph in the morning shifting to the east 3 to 4 mph in the afternoon. * Mixing Height.......9000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (256) in the morning increasing to high (643) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows 56 to 66. Highs 87 to 96 valleys...78 to 88 mountains. Southeast wind up to 5 mph. .THURSDAY...Mostly clear. Lows 52 to 62. Highs 78 to 86 valleys... 69 to 78 mountains. South wind up to 10 mph. .FRIDAY...Mostly clear. Lows 46 to 56. Highs 76 to 83 valleys... 66 to 76 mountains. South wind up to 5 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 43 to 53. Highs 73 to 81 valleys...64 to 74 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ IDZ101-241345- Northern and Central Idaho Panhandle (Zone 101)- Including the cities of St. Maries, Rathdrum Prairie, Silver Valley, Bonners Ferry, and Priest Lake 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Haze. * Chance of Lightning...0 percent. * Min Temperature.....48-58. * 24 hr Trend........7 degrees cooler valleys, and 2 degrees cooler mountains. * Max Humidity........65-80 percent. * 24 hr Trend........40 percent wetter valleys, and 5 percent drier mountains. * Humidity Recovery...Good. * 20-foot winds....... * Valleys/Lwr Slopes...Southwest 3 to 8 mph with gusts to around 20 mph in the evening shifting to the southeast up to 4 mph overnight. * Ridges/Upr Slopes....Southwest 3 to 11 mph. Gusts up to 25 mph in the evening. * Mixing Height.......6000 ft AGL falling to near surface. * Transport Winds.....Southwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Very high (905) in the evening decreasing to low (38) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze and smoke. * Chance of Lightning...0 percent. * Max Temperature.....81-88 valleys and 72-82 mountains. * 24 hr Trend........8 degrees warmer. * Min Humidity........21-30 percent valleys and 25-40 percent mountains. * 24 hr Trend........7 percent drier. * 20-foot winds....... * Valleys/Lwr Slopes...East up to 3 mph in the morning shifting to the north 3 to 4 mph in the afternoon. * Ridges/Upr Slopes....Southwest up to 4 mph. * Mixing Height.......6000 ft AGL. * Transport Winds.....Southwest around 5 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (348). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....51-60. * Max Humidity........55-70 percent valleys and 45-60 percent mountains. * Humidity Recovery...Fair. * 20-foot winds....... * Valleys/Lwr Slopes...Northeast 3 to 6 mph. * Ridges/Upr Slopes....Northeast 3 to 7 mph. * Mixing Height.......4000 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (214). .TUESDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....90-97 valleys and 80-90 mountains. * Min Humidity........17-27 percent. * 20-foot winds....... * Valleys/Lwr Slopes...East 3 to 6 mph. * Ridges/Upr Slopes....East 3 to 6 mph. * Mixing Height.......11000 ft AGL. * Transport Winds.....Southeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (310) in the morning increasing to very high (942) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows 56 to 65. Highs 87 to 95 valleys...78 to 88 mountains. Southeast wind up to 5 mph. .THURSDAY...Mostly clear. Lows 54 to 62. Highs 78 to 85 valleys... 69 to 79 mountains. Southwest wind up to 10 mph. .FRIDAY...Mostly clear. Lows 48 to 57. Highs 76 to 82 valleys... 68 to 78 mountains. Southwest wind up to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 45 to 55. Highs 73 to 80 valleys...65 to 75 mountains. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ707-241345- Western Columbia Basin (Zone 707)- Including the cities of Moses Lake and Ephrata 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Haze and smoke. * Chance of Lightning...0 percent. * Min Temperature.....53-61. * 24 hr Trend........3 degrees cooler. * Max Humidity........61-80 percent. * 24 hr Trend........Unchanged. * Humidity Recovery...Good. * 20-foot winds.......Northwest 3 to 11 mph. * Mixing Height.......6500 ft AGL falling to near surface. * Transport Winds.....Northwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Very high (826) in the evening decreasing to low (52) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze and smoke. * Chance of Lightning...0 percent. * Max Temperature.....87-92. * 24 hr Trend........6 degrees warmer. * Min Humidity........20-29 percent. * 24 hr Trend........3 percent drier. * 20-foot winds.......Northeast 3 to 7 mph. * Mixing Height.......6500 ft AGL. * Transport Winds.....Northeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (349). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze and smoke. * Chance of Lightning...0 percent. * Min Temperature.....58-65. * Max Humidity........45-60 percent. * Humidity Recovery...Poor. * 20-foot winds.......Northeast 3 to 8 mph. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (317) in the evening decreasing to low (54) overnight. .TUESDAY... * Sky/Weather.........Mostly sunny. * Chance of Lightning...0 percent. * Max Temperature.....92-97. * Min Humidity........17-23 percent. * 20-foot winds.......Northeast 3 to 10 mph. * Mixing Height.......10000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (384) in the morning increasing to very high (801) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 60 to 68. Highs 90 to 96. Southwest wind 5 to 15 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows 52 to 62. Highs 80 to 87. Southwest wind 4 to 15 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 48 to 58. Highs 78 to 84. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ708-241345- Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)- Including the cities of Spokane, Pullman, Ritzville, Wilbur, and Cheney 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....50-58. * 24 hr Trend........6 degrees cooler. * Max Humidity........65-80 percent. * 24 hr Trend........10 percent wetter. * Humidity Recovery...Good. * 20-foot winds.......West 3 to 9 mph with gusts to around 20 mph in the evening shifting to the east 3 to 6 mph overnight. * Mixing Height.......7000 ft AGL falling to near surface. * Transport Winds.....West 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Very high (974) in the evening decreasing to low (38) overnight. .MONDAY... * Sky/Weather.........Sunny. Haze and smoke. * Chance of Lightning...0 percent. * Max Temperature.....86-94. * 24 hr Trend........6 degrees warmer. * Min Humidity........16-24 percent. * 24 hr Trend........9 percent drier. * 20-foot winds.......East 3 to 7 mph. * Mixing Height.......6500 ft AGL. * Transport Winds.....East around 5 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (360). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....53-60. * Max Humidity........50-65 percent. * Humidity Recovery...Fair. * 20-foot winds.......Northeast 3 to 8 mph. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (349) in the evening decreasing to low (54) overnight. .TUESDAY... * Sky/Weather.........Mostly sunny. * Chance of Lightning...0 percent. * Max Temperature.....94-100. * Min Humidity........15-18 percent. * 20-foot winds.......East 3 to 9 mph. * Mixing Height.......10500 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (348) in the morning increasing to very high (951) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 58 to 64. Highs 90 to 96. South wind up to 10 mph. .THURSDAY...Mostly clear. Lows 55 to 61. Highs 81 to 88. Southwest wind 5 to 10 mph. .FRIDAY...Mostly clear. Lows 49 to 56. Highs 79 to 86. Southwest wind up to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 44 to 54. Highs 77 to 85. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ709-241345- Lower Palouse - Snake River (Zone 709)- Including the city of Pomeroy 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. * Chance of Lightning...0 percent. * Min Temperature.....54-58. * 24 hr Trend........8 degrees cooler. * Max Humidity........45-60 percent. * 24 hr Trend........Unchanged. * Humidity Recovery...Poor. * 20-foot winds.......South 5 to 13 mph. Gusts up to 25 mph in the evening. * Mixing Height.......5000 ft AGL falling to near surface. * Transport Winds.....Southwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (671) in the evening decreasing to low (38) overnight. .MONDAY... * Sky/Weather.........Sunny. * Chance of Lightning...0 percent. * Max Temperature.....86-96. * 24 hr Trend........9 degrees warmer. * Min Humidity........14-21 percent. * 24 hr Trend........9 percent drier. * 20-foot winds.......East 3 to 7 mph. * Mixing Height.......5500 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (428). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze overnight. * Chance of Lightning...0 percent. * Min Temperature.....58-64. * Max Humidity........35-50 percent. * Humidity Recovery...Poor. * 20-foot winds.......Northeast 3 to 6 mph in the evening shifting to the southeast overnight. * Mixing Height.......4000 ft AGL falling to near surface. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (297) in the evening decreasing to low (42) overnight. .TUESDAY... * Sky/Weather.........Mostly sunny. * Chance of Lightning...0 percent. * Max Temperature.....93-103. * Min Humidity........15-20 percent. * 20-foot winds.......Southeast 3 to 7 mph in the morning shifting to the north 3 to 6 mph in the afternoon. * Mixing Height.......9500 ft AGL. * Transport Winds.....South 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (231) in the morning increasing to very high (922) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 63 to 68. Highs 88 to 98. Southwest wind 5 to 15 mph. .THURSDAY...Mostly clear. Lows in the lower to mid 60s. Highs 80 to 90. West wind 5 to 15 mph. .FRIDAY...Mostly clear. Lows 54 to 59. Highs 78 to 88. Southwest wind up to 10 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 49 to 57. Highs 77 to 87. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$ WAZ705-706-241345- Foothills of Central Washington Cascades (Zone 705)- Waterville Plateau (Zone 706)- Including the cities of Chelan, Wenatchee, Waterville, and Grand Coulee 206 PM PDT Sun Aug 23 2026 .Tonight... * Sky/Weather.........Mostly clear. Smoke and haze. * Chance of Lightning...0 percent. * Min Temperature.....55-63. * 24 hr Trend........3 degrees cooler. * Max Humidity........50-65 percent. * 24 hr Trend........5 percent wetter. * Humidity Recovery...Fair. * 20-foot winds.......Northwest 5 to 13 mph. Gusts up to 25 mph in the evening. * Mixing Height.......6500 ft AGL falling to near surface. * Transport Winds.....Northwest 5 to 15 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...High (795) in the evening decreasing to low (52) overnight. .MONDAY... * Sky/Weather.........Sunny. Smoke and haze. * Chance of Lightning...0 percent. * Max Temperature.....82-91. * 24 hr Trend........4 degrees warmer. * Min Humidity........23-28 percent. * 24 hr Trend........2 percent drier. * 20-foot winds.......North 3 to 7 mph in the morning shifting to the east 3 to 6 mph in the afternoon. * Mixing Height.......6500 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (373). .MONDAY NIGHT... * Sky/Weather.........Partly cloudy. Haze and smoke. * Chance of Lightning...0 percent. * Min Temperature.....59-66. * Max Humidity........40-55 percent. * Humidity Recovery...Poor. * 20-foot winds.......Northeast 3 to 5 mph in the evening shifting to the north up to 9 mph overnight. * Mixing Height.......5500 ft AGL falling to near surface. * Transport Winds.....Northeast 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (322) in the evening decreasing to low (49) overnight. .TUESDAY... * Sky/Weather.........Mostly sunny. * Chance of Lightning...0 percent. * Max Temperature.....89-97. * Min Humidity........17-21 percent. * 20-foot winds.......North 3 to 10 mph in the morning shifting to the northeast 3 to 8 mph in the afternoon. * Mixing Height.......9000 ft AGL. * Transport Winds.....East 5 to 10 mph. * CWR (> 0.10 IN).....0 percent. * Ventilation Index...Moderate (363) in the morning increasing to high (685) in the afternoon. .Forecast Days 3 Through 7...... .WEDNESDAY...Mostly clear. Lows 62 to 69. Highs 87 to 96. West wind 5 to 15 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows 53 to 63. Highs 77 to 86. West wind 4 to 15 mph. .SATURDAY THROUGH SUNDAY...Mostly clear. Lows 49 to 59. Highs 75 to 85. .8 to 14 Day Outlook for Aug 31 - Sep 06, 2026 Near normal temperatures and above normal precipitation. $$