Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
011
FNUS56 KOTX 082156
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
256 PM PDT Tue Sep 8 2026
.DISCUSSION...
Central WA:
- Seasonably warm and drier Wednesday.
- Breezy south winds across the Waterville Plateau Wednesday
afternoon.
Eastern WA:
- Fog in mountain valleys in the northeast districts tonight into
Wednesday morning.
- Seasonably warm and drier Wednesday.
- Breezy south winds in the Okanogan Valley on Wednesday.
North ID:
- Valley fog overnight into Wednesday morning.
- Seven to nine degrees warmer on Wednesday and temperatures closer
to normal values.
Warmer temperatures and drier for Wednesday and Thursday. A cold
front passage on Thursday will bring breezy westerly winds for
the afternoon into the evening. Light showers with the front over
North Idaho. Cooler temperatures Friday into the weekend, and the
potential for additional wetting rains primarily over the
southern districts late Saturday into Sunday.
***************************************************************
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).
***************************************************************
WAZ696-698-091345-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-54 valleys and 40-50 mountains.
* 24 hr Trend........Unchanged.
* Max Humidity........55-70 percent valleys and 61-80 percent
mountains.
* 24 hr Trend........10 percent drier valleys, and 20 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 2 to 6 mph.
* Ridges/Upr Slopes....West 2 to 6 mph.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (340) in the evening decreasing to
low (34) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 65-75 mountains.
* 24 hr Trend........8 degrees warmer valleys, and 2 degrees warmer
mountains.
* Min Humidity........25-40 percent.
* 24 hr Trend........10 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 3 to 8 mph.
* Ridges/Upr Slopes....Southwest 3 to 8 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (184) in the morning increasing to
moderate (447) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-59 valleys and 45-55 mountains.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 12 mph.
* Ridges/Upr Slopes....West 3 to 12 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (308).
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....68-78 valleys and 57-67 mountains.
* Min Humidity........35-50 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 14 mph. Gusts up to 30 mph
in the afternoon.
* Ridges/Upr Slopes....West 4 to 14 mph. Gusts up to 30 mph
in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (479) in the morning increasing to
high (750) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 44 to
51 valleys...36 to 46 mountains. Highs 64 to 74 valleys...52 to
62 mountains. Northwest wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
47 to 57 valleys...38 to 48 mountains. Highs 62 to 72 valleys...
50 to 60 mountains. North wind up to 10 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 45 to
55 valleys...37 to 47 mountains. Highs 65 to 75 valleys...53 to
63 mountains. Northwest wind up to 5 mph.
.MONDAY...Mostly clear. Lows 45 to 55 valleys...37 to
47 mountains. Highs 67 to 77 valleys...55 to 65 mountains.
.TUESDAY...Partly cloudy. Lows 47 to 57 valleys...39 to
49 mountains. Highs 68 to 78 valleys...56 to 66 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ697-091345-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-50 valleys and 39-47 mountains.
* 24 hr Trend........1 degree warmer.
* Max Humidity........50-65 percent valleys and 60-75 percent
mountains.
* 24 hr Trend........10 percent drier valleys, and 5 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph.
* Ridges/Upr Slopes....Northwest 3 to 6 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (244) in the evening decreasing to
low (22) overnight.
.WEDNESDAY...
* Sky/Weather.........Sunny then becoming partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 65-75 mountains.
* 24 hr Trend........3 degrees warmer valleys, and 8 degrees warmer
mountains.
* Min Humidity........24-35 percent.
* 24 hr Trend........1 percent drier valleys, and 10 percent drier
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 8 mph.
* Ridges/Upr Slopes....West 3 to 9 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (159) in the morning increasing to
moderate (411) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....50-55 valleys and 42-51 mountains.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 4 to 11 mph.
* Ridges/Upr Slopes....West 4 to 11 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (296) in the evening decreasing to
low (73) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 55-65 mountains.
* Min Humidity........35-50 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 5 to 12 mph.
* Ridges/Upr Slopes....West 5 to 12 mph with gusts to around 25
mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (362) in the morning increasing to
high (605) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 42 to
47 valleys...34 to 44 mountains. Highs 65 to 75 valleys...53 to
63 mountains. West wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
47 to 57 valleys...38 to 48 mountains. Highs 64 to 74 valleys...
52 to 62 mountains. Northeast wind 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 45 to
55 valleys...36 to 46 mountains. Highs 66 to 76 valleys...54 to
64 mountains. Northwest wind up to 5 mph.
.MONDAY...Mostly clear. Lows 46 to 56 valleys...37 to
47 mountains. Highs 69 to 79 valleys...57 to 67 mountains.
.TUESDAY...Partly cloudy. Lows 48 to 58 valleys...39 to
49 mountains. Highs 70 to 80 valleys...58 to 68 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ704-091345-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....48-55.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........61-80 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Southeast up to 6 mph in the evening becoming
light overnight.
* Mixing Height.......5000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (394) in the evening decreasing to
low (30) overnight.
.WEDNESDAY...
* Sky/Weather.........Sunny then becoming partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........20-29 percent.
* 24 hr Trend........2 percent drier.
* 20-foot winds.......East up to 5 mph in the morning shifting to
the south 3 to 6 mph in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (160) in the morning increasing to
moderate (439) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-60.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (299) in the evening decreasing to
low (51) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83.
* Min Humidity........24-29 percent.
* 20-foot winds.......Northwest 3 to 9 mph. Gusts up to 20 mph in
the afternoon.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (474) in the morning increasing to
very high (850) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 44 to 53.
Highs 67 to 76. North wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
46 to 56. Highs 65 to 73. North wind up to 10 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 45 to 55.
Highs 68 to 76. Northwest wind up to 5 mph.
.MONDAY...Mostly clear. Lows 44 to 53. Highs 69 to 77.
.TUESDAY...Partly cloudy. Lows 46 to 55. Highs 69 to 78.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ703-091345-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-54.
* 24 hr Trend........Unchanged.
* Max Humidity........55-70 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......South 2 to 7 mph.
* Mixing Height.......5000 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (434) in the evening decreasing to
low (29) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85.
* 24 hr Trend........4 degrees warmer.
* Min Humidity........26-35 percent.
* 24 hr Trend........7 percent drier.
* 20-foot winds.......South 3 to 12 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (264) in the morning increasing to
high (551) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....55-60.
* Max Humidity........55-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 9 mph. Gusts up to 20 mph in
the evening.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (354) in the evening decreasing to
low (37) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83.
* Min Humidity........26-35 percent.
* 20-foot winds.......West 3 to 9 mph. Gusts up to 20 mph in the
afternoon.
* Mixing Height.......7500 ft AGL.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (508) in the morning increasing to high
(795) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 46 to 53. Highs 67 to 76. Northwest
wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
50 to 55. Highs 65 to 75. North wind 10 to 20 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 48 to 53.
Highs 67 to 76. Northwest wind up to 10 mph.
.MONDAY...Mostly clear. Lows 47 to 52. Highs 68 to 77.
.TUESDAY...Partly cloudy. Lows 49 to 54. Highs 69 to 78.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ702-091345-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-51.
* 24 hr Trend........1 degree cooler.
* Max Humidity........60-75 percent.
* 24 hr Trend........25 percent drier valleys, and 20 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 6 mph.
* Ridges/Upr Slopes....South 2 to 6 mph.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (358) in the evening decreasing to
low (37) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82 valleys and 64-74 mountains.
* 24 hr Trend........4 degrees warmer.
* Min Humidity........28-40 percent.
* 24 hr Trend........5 percent drier valleys, and 10 percent drier
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 3 to 8 mph.
* Ridges/Upr Slopes....South 3 to 8 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (287) in the morning increasing to
high (517) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 6 mph.
* Ridges/Upr Slopes....Southwest 2 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (278) in the evening decreasing to
low (39) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82 valleys and 64-74 mountains.
* Min Humidity........28-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 10 mph.
* Ridges/Upr Slopes....West 3 to 10 mph.
* Mixing Height.......7500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (415) in the morning increasing to
high (745) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 46 to 52 valleys...in the lower to
mid 40s mountains. Highs 65 to 75 valleys...58 to 67 mountains.
Northwest wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
46 to 54. Highs 64 to 74 valleys...56 to 64 mountains. Northeast
wind 5 to 15 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 44 to 51.
Highs 64 to 74 valleys...57 to 66 mountains. North wind up to
10 mph.
.MONDAY...Mostly clear. Lows 44 to 50. Highs 65 to 75 valleys...
58 to 67 mountains.
.TUESDAY...Partly cloudy. Lows 46 to 51. Highs 67 to 77 valleys...
60 to 69 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ699-091345-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....44-50.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........71-90 percent valleys and 65-80 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 10 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 5 mph.
* Ridges/Upr Slopes....Southwest 2 to 5 mph.
* Mixing Height.......5000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (409) in the evening decreasing to
low (43) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-81 valleys and 65-74 mountains.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........30-40 percent.
* 24 hr Trend........5 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 3 to 8 mph.
* Ridges/Upr Slopes....Southwest 3 to 8 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (309) in the morning increasing to
high (534) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-55.
* Max Humidity........60-75 percent valleys and 50-65 percent
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 6 mph.
* Ridges/Upr Slopes....Southwest 2 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (274) in the evening decreasing to
low (43) overnight.
.THURSDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82 valleys and 63-72 mountains.
* Min Humidity........28-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 8 mph.
* Ridges/Upr Slopes....West 3 to 9 mph. Gusts up to 20 mph in
the afternoon.
* Mixing Height.......7500 ft AGL.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (550) in the morning increasing to very
high (823) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 40 to 47. Highs 65 to 75 valleys...
57 to 66 mountains. Northwest wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
43 to 51. Highs 63 to 73 valleys...55 to 64 mountains. North wind
up to 10 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 41 to 49.
Highs 65 to 73 valleys...57 to 66 mountains. Northwest wind up to
5 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows 41 to 50. Highs
67 to 77 valleys...58 to 68 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ700-701-091345-
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
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear. Areas of fog late in the night.
* Chance of Lightning...0 percent.
* Min Temperature.....42-48.
* 24 hr Trend........7 degrees cooler.
* Max Humidity........80-90 percent.
* 24 hr Trend........Unchanged valleys, and 10 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 5 mph.
* Ridges/Upr Slopes....South 2 to 5 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (321) in the evening decreasing to
low (27) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny. Areas of fog early in the
morning.
* Chance of Lightning...0 percent.
* Max Temperature.....72-80 valleys and 63-72 mountains.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........30-40 percent valleys and 35-50 percent
mountains.
* 24 hr Trend........10 percent drier valleys, and 15 percent drier
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 6 mph.
* Ridges/Upr Slopes....Southwest 2 to 6 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (280) in the morning increasing to
high (520) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-53.
* Max Humidity........61-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 2 to 6 mph.
* Ridges/Upr Slopes....South 2 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (224).
.THURSDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers late
in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....72-81 valleys and 62-72 mountains.
* Min Humidity........30-40 percent valleys and 35-50 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 3 to 12 mph. Gusts up to 25 mph in
the afternoon.
* Ridges/Upr Slopes....Southwest 3 to 12 mph. Gusts up to 25
mph in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (363) in the morning increasing to
very high (863) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 41 to 48. Highs 65 to 73 valleys...
55 to 64 mountains. Southwest wind up to 5 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
42 to 51. Highs 63 to 71 valleys...53 to 63 mountains. Northeast
wind 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 40 to 48.
Highs 63 to 71 valleys...53 to 63 mountains. Northeast wind up to
10 mph.
.MONDAY...Mostly clear. Lows 39 to 47. Highs 66 to 73 valleys...
56 to 65 mountains.
.TUESDAY...Partly cloudy. Lows 41 to 49. Highs 68 to 75 valleys...
58 to 67 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
IDZ101-091345-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....42-48.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........81-100 percent valleys and 80-90 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 20 percent drier
mountains.
* Humidity Recovery...Excellent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 5 mph.
* Ridges/Upr Slopes....South up to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (176).
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-78 valleys and 63-73 mountains.
* 24 hr Trend........8 degrees warmer.
* Min Humidity........30-45 percent valleys and 40-55 percent
mountains.
* 24 hr Trend........10 percent drier valleys, and 25 percent drier
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 2 to 7 mph.
* Ridges/Upr Slopes....Southwest 3 to 8 mph. Gusts up to 20
mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (308) in the morning increasing to
high (601) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-54.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 3 to 7 mph.
* Ridges/Upr Slopes....South 3 to 9 mph. Gusts up to 20 mph
overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (233).
.THURSDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers late
in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....71-77 valleys and 62-72 mountains.
* Min Humidity........35-45 percent valleys and 40-55 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 3 to 13 mph. Gusts up to 25 mph in
the afternoon.
* Ridges/Upr Slopes....Southwest 3 to 14 mph. Gusts up to 25
mph in the morning increasing to 30 mph in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....Southwest 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (726) in the morning increasing to very
high (1200) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 42 to 49.
Highs 63 to 69 valleys...54 to 64 mountains. Southwest wind up to
10 mph.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of rain
showers. Lows 41 to 51. Highs 60 to 68 valleys...51 to
61 mountains. Northeast wind 4 to 15 mph.
.MONDAY...Mostly clear. Lows 39 to 48. Highs 64 to 70 valleys...
55 to 65 mountains.
.TUESDAY...Partly cloudy. Lows 40 to 49. Highs 67 to 73 valleys...
57 to 67 mountains.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ707-091345-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....48-57.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........70-80 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Southeast 3 to 7 mph in the evening shifting
to the east up to 5 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 (398) in the evening decreasing to
low (32) overnight.
.WEDNESDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....81-86.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........23-30 percent.
* 24 hr Trend........7 percent drier.
* 20-foot winds.......East up to 6 mph in the morning shifting to
the south 3 to 9 mph with gusts to around 20 mph in the
afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (151) in the morning increasing to
moderate (487) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....54-62.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 8 mph. Gusts up to 20 mph in
the evening.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (328) in the evening decreasing to
low (47) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....80-86.
* Min Humidity........27-35 percent.
* 20-foot winds.......West 6 to 17 mph. Gusts up to 35 mph in the
afternoon.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....West 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (440) in the morning increasing to
very high (1203) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 49 to 54. Highs 71 to 77. Southwest
wind 5 to 15 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
49 to 55. Highs 71 to 76. North wind 10 to 20 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 47 to 54.
Highs 70 to 76. West wind 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 45 to 54. Highs
73 to 79.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ708-091345-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-50.
* 24 hr Trend........4 degrees cooler.
* Max Humidity........75-90 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Southeast 3 to 6 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 (296) in the evening decreasing to
low (42) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-85.
* 24 hr Trend........6 degrees warmer.
* Min Humidity........24-30 percent.
* 24 hr Trend........10 percent drier.
* 20-foot winds.......Southeast 3 to 6 mph in the morning shifting
to the southwest 3 to 8 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (209) in the morning increasing to
high (506) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-55.
* Max Humidity........60-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......South 3 to 7 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (344) in the evening decreasing to
low (52) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers late
in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....76-85.
* Min Humidity........28-35 percent.
* 20-foot winds.......South 3 to 6 mph in the morning shifting to
the southwest 7 to 17 mph with gusts to around 35 mph in the
afternoon.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....Southwest 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (569) in the morning increasing to very
high (1166) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Not as warm. Partly cloudy. Lows 46 to 52. Highs 67 to
74. Southwest wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
46 to 52. Highs 67 to 74. Northeast wind 5 to 15 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 44 to 49.
Highs 65 to 72. Southwest wind up to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 42 to 49. Highs
69 to 78.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ709-091345-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-54.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........65-80 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Southeast 3 to 6 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (195).
.WEDNESDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87.
* 24 hr Trend........8 degrees warmer.
* Min Humidity........23-30 percent.
* 24 hr Trend........9 percent drier.
* 20-foot winds.......Southeast 3 to 8 mph in the morning shifting
to the west 3 to 5 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (205) in the morning increasing to
moderate (482) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....54-60.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......South 3 to 10 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (243).
.THURSDAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers late
in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87.
* Min Humidity........25-35 percent.
* 20-foot winds.......Southwest 8 to 19 mph. Gusts up to 40 mph in
the afternoon.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....Southwest 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (702) in the morning increasing to very
high (1246) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Not as warm. Partly cloudy. Lows 49 to 55. Highs 66 to
76. West wind 5 to 15 mph.
.SATURDAY...Mostly cloudy. Rain showers likely. Lows near 50.
Highs 65 to 75. Southwest wind up to 10 mph.
.SUNDAY...Mostly cloudy. A chance of rain showers. Lows near 50.
Highs 62 to 72. Southwest wind 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 45 to 51. Highs
68 to 78.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$
WAZ705-706-091345-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
256 PM PDT Tue Sep 8 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-56.
* 24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
* 24 hr Trend........20 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......South 3 to 9 mph. Gusts up to 20 mph in the
evening.
* Mixing Height.......5000 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (493) in the evening decreasing to
low (37) overnight.
.WEDNESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87.
* 24 hr Trend........6 degrees warmer.
* Min Humidity........25-30 percent.
* 24 hr Trend........7 percent drier.
* 20-foot winds.......South 3 to 10 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (236) in the morning increasing to
high (569) in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....56-62.
* Max Humidity........50-60 percent.
* Humidity Recovery...Poor.
* 20-foot winds.......Southwest 3 to 9 mph. Gusts up to 20 mph in
the evening.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (431) in the evening decreasing to
low (61) overnight.
.THURSDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-83.
* Min Humidity........27-35 percent.
* 20-foot winds.......West 6 to 17 mph. Gusts up to 35 mph in the
afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....West 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (546) in the morning increasing to very
high (1073) in the afternoon.
.Forecast Days 3 Through 7......
.FRIDAY...Partly cloudy. Lows 48 to 54. Highs 67 to 77. West wind
5 to 15 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
49 to 57. Highs 66 to 75. North wind 10 to 20 mph.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 48 to 56.
Highs 67 to 77. West wind up to 10 mph.
.MONDAY...Mostly clear. Lows 46 to 55. Highs 68 to 78.
.TUESDAY...Partly cloudy. Lows 48 to 57. Highs 70 to 79.
.8 to 14 Day Outlook for Sep 16 - 22 2026
Above normal temperatures and near normal precipitation.
$$