Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
391
FNUS56 KOTX 202126
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
226 PM PDT Sun Sep 20 2026
.DISCUSSION...
Central WA:
- Warm and dry through Monday, with light winds.
- Poor to fair relative humidity recovery in the mountains with
fair to good humidity recovery in the valleys Sunday night.
Eastern WA:
- Warm and dry through Monday with mostly light winds.
- Southerly winds with gusts 15-20 mph in the Okanogan Valley in
the afternoon and early evening Sunday and Monday.
- Fair humidity recovery in the mountains with good to excellent
humidity recovery in the valleys Sunday night.
North ID:
- Warm and dry through Monday with light winds.
- Fair relative humidity recovery in the mountains with good to
excellent humidity recovery in the valleys Sunday night.
Temperatures remain warm early this week with dry conditions,
resulting in poor to fair relative humidity recovery in the
mountains. Light winds and mostly clear skies expected through
Monday, before breezier conditions develop for Tuesday. A chance
for rain showers and high mountain snow showers arrives for late
Thursday into Friday, with breezy conditions.
***************************************************************
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).
***************************************************************
WAZ696-698-211400-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-62 valleys and 46-56 mountains.
* 24 hr Trend........Unchanged.
* Max Humidity........50-65 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 5 mph in the evening
shifting to the northwest up to 3 mph overnight.
* Ridges/Upr Slopes....South 3 to 7 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 (187).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 64-74 mountains.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........27-35 percent valleys and 30-45 percent
mountains.
* 24 hr Trend........5 percent wetter valleys, and 10 percent
wetter mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 8 mph.
* Ridges/Upr Slopes....Southwest up to 8 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (395) in the morning increasing to
high (785) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-59 valleys and 42-52 mountains.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 10 mph with gusts to around
20 mph.
* Ridges/Upr Slopes....West 3 to 10 mph with gusts to around
20 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....West around 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (272) in the evening decreasing to
low (57) overnight.
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....68-77 valleys and 57-67 mountains.
* Min Humidity........25-40 percent valleys and 35-50 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 11 mph with gusts to around 25
mph.
* Ridges/Upr Slopes....West 3 to 11 mph with gusts to around
25 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (282) in the morning increasing to
moderate (492) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 43 to 53 valleys...36 to
46 mountains. Highs 63 to 72 valleys...51 to 61 mountains. West
wind up to 10 mph.
.THURSDAY...Mostly cloudy. Rain showers likely. Lows 44 to
54 valleys...35 to 45 mountains. Highs 59 to 69 valleys...48 to
58 mountains. West wind up to 5 mph.
.FRIDAY...Mostly cloudy with rain and high mountain snow showers
likely. Lows 44 to 54 valleys...36 to 46 mountains. Highs 54 to
63 valleys...42 to 52 mountains. West wind up to 10 mph.
.SATURDAY...Mostly cloudy. Lows 39 to 49 valleys...31 to
41 mountains. Highs 55 to 65 valleys...43 to 53 mountains.
.SUNDAY...Partly cloudy. Lows 39 to 49 valleys...31 to
41 mountains. Highs 57 to 67 valleys...46 to 56 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ697-211400-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....53-62 valleys and 45-55 mountains.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........50-60 percent.
* 24 hr Trend........10 percent wetter valleys, and 5 percent
wetter mountains.
* Humidity Recovery...Poor.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast 3 to 8 mph.
* Ridges/Upr Slopes....Southeast 3 to 8 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 (182).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 65-75 mountains.
* 24 hr Trend........13 degrees cooler.
* Min Humidity........25-40 percent.
* 24 hr Trend........2 percent drier valleys, and 10 percent wetter
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast 2 to 4 mph in the morning
shifting to the west 3 to 8 mph in the afternoon.
* Ridges/Upr Slopes....Southwest 3 to 10 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (327) in the morning increasing to
high (730) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-58 valleys and 41-51 mountains.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 8 mph.
* Ridges/Upr Slopes....West 3 to 8 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (229).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 55-65 mountains.
* Min Humidity........30-45 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 4 to 10 mph.
* Ridges/Upr Slopes....West 4 to 10 mph.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (250) in the morning increasing to
moderate (390) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 44 to 53 valleys...35 to
45 mountains. Highs 63 to 73 valleys...51 to 61 mountains. West
wind up to 10 mph.
.THURSDAY...Mostly cloudy. Rain showers likely. Lows 43 to
53 valleys...35 to 45 mountains. Highs 62 to 72 valleys...49 to
59 mountains. Southwest wind up to 5 mph.
.FRIDAY...Rain and high mountain snow showers likely. Lows 44 to
54 valleys...36 to 46 mountains. Highs 55 to 65 valleys...42 to
52 mountains. West wind 5 to 10 mph.
.SATURDAY...Mostly cloudy. A chance of rain and high mountain
snow showers. Lows 40 to 49 valleys...30 to 40 mountains. Highs
56 to 66 valleys...44 to 54 mountains.
.SUNDAY...Partly cloudy. A chance of rain showers. Lows 40 to
49 valleys...31 to 41 mountains. Highs 59 to 69 valleys...47 to
57 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ704-211400-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-57.
* 24 hr Trend........3 degrees cooler.
* Max Humidity........60-75 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......Southeast up to 5 mph in the evening becoming
light overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (194).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-86.
* 24 hr Trend........1 degree warmer.
* Min Humidity........23-30 percent.
* 24 hr Trend........3 percent wetter.
* 20-foot winds.......North up to 3 mph in the morning shifting to
the south 3 to 6 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (153) in the morning increasing to high
(651) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-56.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest around 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (258) in the evening decreasing to
low (48) overnight.
.TUESDAY...
* Sky/Weather.........Mostly cloudy then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81.
* Min Humidity........22-27 percent.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (278) in the morning increasing to
moderate (490) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 41 to 50. Highs 66 to 75. West
wind up to 5 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
42 to 51. Highs 61 to 70. Northwest wind up to 5 mph.
.FRIDAY...Mostly cloudy with rain showers likely. Lows 43 to 52.
Highs 58 to 67. Northwest wind up to 5 mph.
.SATURDAY...Mostly cloudy. Lows 37 to 46. Highs 57 to 66.
.SUNDAY...Partly cloudy. Lows 37 to 46. Highs 59 to 67.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ703-211400-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* 24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
* 24 hr Trend........5 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......South up to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (147).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-86.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........25-35 percent.
* 24 hr Trend........4 percent wetter.
* 20-foot winds.......South up to 10 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (208) in the morning increasing to
high (521) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 6 mph in the evening shifting
to the northwest overnight.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (146).
.TUESDAY...
* Sky/Weather.........Mostly cloudy then becoming mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81.
* Min Humidity........23-30 percent.
* 20-foot winds.......Northwest 3 to 6 mph in the morning shifting
to the west in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (184) in the morning increasing to
moderate (429) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows near 50. Highs 65 to 75.
Southwest wind up to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of rain
showers. Lows 47 to 52. Highs 59 to 69. Northwest wind up to
10 mph.
.SATURDAY...Mostly cloudy. Lows in the lower to mid 40s. Highs
57 to 66.
.SUNDAY...Partly cloudy. Lows 41 to 46. Highs 58 to 67.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ702-211400-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-56.
* 24 hr Trend........1 degree warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 4 mph in the evening
shifting to the northeast 3 to 5 mph overnight.
* Ridges/Upr Slopes....Southeast 3 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (163).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 70-80 mountains.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........24-30 percent.
* 24 hr Trend........1 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 6 mph in the morning shifting to
the south 3 to 7 mph in the afternoon.
* Ridges/Upr Slopes....South 3 to 6 mph.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (305) in the morning increasing to
high (628) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* Max Humidity........60-70 percent valleys and 50-65 percent
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 3 to 5 mph in the evening shifting to
the northeast up to 3 mph overnight.
* Ridges/Upr Slopes....Southwest 3 to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (204).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....71-81 valleys and 65-75 mountains.
* Min Humidity........24-30 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 4 mph in the morning
shifting to the southwest 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....North 3 to 5 mph in the morning
shifting to the southwest 3 to 6 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (230) in the morning increasing to
high (567) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 46 to 52. Highs 64 to
74 valleys...57 to 66 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
45 to 52. Highs 63 to 73 valleys...56 to 65 mountains. Northeast
wind up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 46 to
53. Highs 58 to 68 valleys...50 to 59 mountains. West wind up to
10 mph.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 39 to
46. Highs 55 to 65 valleys...48 to 57 mountains.
.SUNDAY...Mostly cloudy. Lows 38 to 45. Highs 56 to 66 valleys...
50 to 59 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ699-211400-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-54.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...South up to 4 mph in the evening shifting to
the southeast overnight.
* 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...Moderate (206).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 69-78 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........25-35 percent.
* 24 hr Trend........Unchanged.
* 20-foot winds.......
* Valleys/Lwr Slopes...South up to 7 mph.
* Ridges/Upr Slopes....South up to 7 mph.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (367) in the morning increasing to
very high (833) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-55.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South 3 to 5 mph in the evening shifting to
the northeast up to 3 mph overnight.
* Ridges/Upr Slopes....Southwest up to 5 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 (266) in the evening decreasing to
low (34) overnight.
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 66-74 mountains.
* Min Humidity........26-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 3 mph in the morning shifting to
the southwest 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Northwest up to 3 mph in the morning
shifting to the southwest 3 to 5 mph in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (235) in the morning increasing to
high (653) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 44 to 50. Highs 66 to
76 valleys...58 to 66 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
42 to 49. Highs 63 to 73 valleys...55 to 63 mountains. Northeast
wind up to 5 mph.
.FRIDAY...Rain showers likely. Lows 43 to 50. Highs 57 to
67 valleys...49 to 58 mountains. West wind up to 5 mph.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 36 to
44. Highs 55 to 65 valleys...48 to 56 mountains.
.SUNDAY...Mostly cloudy. Lows 35 to 42. Highs 57 to 67 valleys...
50 to 58 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ700-701-211400-
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
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-54.
* 24 hr Trend........Unchanged.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........5 percent drier valleys, and unchanged
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 4 mph.
* Ridges/Upr Slopes....South up to 5 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....East around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (92).
.MONDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....78-86 valleys and 68-78 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........25-30 percent valleys and 30-40 percent
mountains.
* 24 hr Trend........3 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 4 mph in the morning
shifting to the south 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....South 3 to 6 mph.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (244) in the morning increasing to
high (572) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-57.
* Max Humidity........65-80 percent valleys and 55-70 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 4 mph.
* Ridges/Upr Slopes....Southeast up to 5 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (191).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81 valleys and 64-73 mountains.
* Min Humidity........27-35 percent valleys and 35-50 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 3 mph in the morning
shifting to the south 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Southeast 3 to 5 mph in the morning shifting
to the south 3 to 7 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (330) in the morning increasing to
high (720) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 44 to 51. Highs 66 to
74 valleys...57 to 65 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy. A chance of rain showers. Lows 43 to
50. Highs 66 to 73 valleys...56 to 65 mountains. Northeast wind
up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 45 to
51. Highs 59 to 66 valleys...50 to 58 mountains. Southwest wind
up to 5 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
39 to 45. Highs 55 to 64 valleys...46 to 54 mountains.
.SUNDAY...Mostly cloudy. Lows 36 to 43. Highs 58 to 65 valleys...
49 to 57 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
IDZ101-211400-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-55.
* 24 hr Trend........Unchanged.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...East up to 6 mph.
* Ridges/Upr Slopes....South up to 5 mph in the evening shifting to
the southeast 3 to 6 mph overnight.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....East around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (60).
.MONDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-84 valleys and 68-78 mountains.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........29-40 percent.
* 24 hr Trend........5 percent drier valleys, and unchanged
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 2 to 4 mph in the morning
shifting to the southwest 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....South 3 to 6 mph in the morning shifting to
the southwest in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (262) in the morning increasing to
high (600) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....50-57.
* Max Humidity........65-80 percent valleys and 55-70 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South up to 3 mph in the evening shifting to
the southeast overnight.
* Ridges/Upr Slopes....South 3 to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (141).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 65-75 mountains.
* Min Humidity........35-50 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 4 mph in the morning
shifting to the southwest 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Southeast 3 to 5 mph in the morning shifting
to the southwest 3 to 8 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 (438) in the morning increasing to
very high (803) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 54. Highs 66 to
72 valleys...58 to 68 mountains. Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy. Lows 44 to 52. Highs 68 to
76 valleys...61 to 71 mountains. Northeast wind up to 5 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of rain showers.
Lows 46 to 53. Highs 59 to 65 valleys...52 to 62 mountains.
Southwest wind up to 10 mph.
.SATURDAY...Mostly cloudy with a chance of rain showers. Lows
39 to 48. Highs 54 to 59 valleys...45 to 55 mountains.
.SUNDAY...Mostly cloudy. Lows 36 to 46. Highs 57 to 62 valleys...
48 to 58 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ707-211400-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-59.
* 24 hr Trend........Unchanged.
* Max Humidity........60-75 percent.
* 24 hr Trend........15 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......Northeast up to 7 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (70).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....82-87.
* 24 hr Trend........1 degree warmer.
* Min Humidity........26-35 percent.
* 24 hr Trend........2 percent wetter.
* 20-foot winds.......Northeast 3 to 7 mph in the morning shifting
to the south in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (79) in the morning increasing to
moderate (406) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-59.
* Max Humidity........61-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 8 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (157).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-81.
* Min Humidity........25-35 percent.
* 20-foot winds.......Southwest 3 to 7 mph. Gusts up to 20 mph in
the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (221) in the morning increasing to
high (593) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 47 to 54. Highs in the lower to
mid 70s. Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy. A chance of rain showers. Lows 48 to
54. Highs 68 to 74. North wind up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 48 to
54. Highs in the mid to upper 60s. West wind 5 to 15 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 42 to
48. Highs in the lower to mid 60s.
.SUNDAY...Partly cloudy. Lows 41 to 47. Highs in the 60s.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ708-211400-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-56.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........60-75 percent.
* 24 hr Trend........5 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......East 3 to 7 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....East 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (85).
.MONDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....83-89.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........22-27 percent.
* 24 hr Trend........1 percent wetter.
* 20-foot winds.......East 3 to 8 mph in the morning shifting to
the southwest 3 to 6 mph in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (211) in the morning increasing to
high (599) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-58.
* Max Humidity........65-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......South up 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 (218).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-81.
* Min Humidity........27-35 percent.
* 20-foot winds.......Southwest 3 to 8 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (304) in the morning increasing to
high (600) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 47 to 53. Highs 70 to 76.
Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy. A chance of rain showers. Lows 47 to
52. Highs 71 to 78. Northeast wind up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 47 to
53. Highs 63 to 69. Southwest wind up to 10 mph.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 41 to
47. Highs 60 to 66.
.SUNDAY...Partly cloudy. Lows 40 to 46. Highs 62 to 68.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ709-211400-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....54-60.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......Southeast 3 to 8 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (109).
.MONDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....81-91.
* 24 hr Trend........1 degree warmer.
* Min Humidity........24-30 percent.
* 24 hr Trend........Unchanged.
* 20-foot winds.......South 3 to 8 mph in the morning shifting to
the northwest 3 to 6 mph in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (405).
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....56-60.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 6 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (79).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* Min Humidity........26-35 percent.
* 20-foot winds.......Southwest 3 to 10 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....West 10 to 20 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (578).
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
69 to 78. Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy. Lows 49 to 54. Highs 71 to 81. West
wind up to 5 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of rain showers.
Lows 50 to 55. Highs 61 to 71. Southwest wind 5 to 15 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 43 to
48. Highs 57 to 67.
.SUNDAY...Partly cloudy. Lows 42 to 47. Highs 59 to 69.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ705-706-211400-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
226 PM PDT Sun Sep 20 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-60.
* 24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......South up to 6 mph in the evening shifting to
the northeast up to 7 mph overnight.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (157).
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....79-88.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........25-35 percent.
* 24 hr Trend........2 percent wetter.
* 20-foot winds.......Northeast up to 7 mph in the morning shifting
to the south 3 to 7 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (113) in the morning increasing to high
(516) in the afternoon.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....51-59.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......West 3 to 9 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (239).
.TUESDAY...
* Sky/Weather.........Mostly cloudy then becoming mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81.
* Min Humidity........23-30 percent.
* 20-foot winds.......West 3 to 10 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (243) in the morning increasing to
high (562) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 54. Highs 66 to 75. West
wind up to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of rain
showers. Lows 46 to 55. Highs 60 to 70. West wind 4 to 15 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows 40 to 49. Highs
58 to 68.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$