Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
062
FNUS56 KOTX 211100
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
400 AM PDT Mon Sep 21 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 through Wednesday
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 through Wednesday 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 through Wednesday
night.
Temperatures remain warm early this week with dry conditions,
resulting in poor to fair relative humidity recovery in the
mountains. Predominantly light winds expected through Monday,
with increasing higher clouds late. Then breezier conditions
Tuesday. A chance for rain showers and high mountain snow showers
arrive for late Thursday into Friday, with breezy to windy
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).
***************************************************************
WAZ696-698-220330-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 64-74 mountains.
* 24 hr Trend........1 degree cooler.
* Min Humidity........27-35 percent valleys and 30-45 percent
mountains.
* 24 hr Trend........5 percent wetter valleys, and 13 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 (392) in the morning increasing to
high (760) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-58 valleys and 40-50 mountains.
* 24 hr Trend........4 degrees cooler valleys, and 9 degrees cooler
mountains.
* Max Humidity........60-75 percent.
* 24 hr Trend........10 percent wetter.
* Humidity Recovery...Fair.
* 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.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (233).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 57-67 mountains.
* Min Humidity........30-45 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 12 mph with gusts to around 25
mph.
* Ridges/Upr Slopes....West 3 to 12 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (277) in the morning increasing to
high (590) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 43 to 53 valleys...36 to
46 mountains. Highs 64 to 74 valleys...52 to 62 mountains. West
wind up to 10 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
45 to 55 valleys...37 to 47 mountains. Highs 61 to 71 valleys...
49 to 59 mountains. East wind up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain and high mountain
snow showers. Lows 45 to 55 valleys...37 to 47 mountains. Highs
56 to 65 valleys...44 to 54 mountains. Northwest wind up to
10 mph.
.SATURDAY...Partly cloudy. Lows 39 to 49 valleys...32 to
42 mountains. Highs 57 to 67 valleys...45 to 55 mountains.
.SUNDAY...Mostly cloudy with a chance of rain showers. Lows 40 to
50 valleys...32 to 42 mountains. Highs 57 to 67 valleys...45 to
55 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ697-220330-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85 valleys and 65-75 mountains.
* 24 hr Trend........12 degrees cooler.
* Min Humidity........25-40 percent.
* 24 hr Trend........4 percent wetter valleys, and 16 percent
wetter mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 4 mph in the morning shifting to
the southwest 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 (366) in the morning increasing to
high (705) in the afternoon.
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-57 valleys and 40-50 mountains.
* 24 hr Trend........2 degrees warmer valleys, and 4 degrees cooler
mountains.
* Max Humidity........65-80 percent.
* 24 hr Trend........10 percent wetter valleys, and 15 percent
wetter mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 8 mph.
* Ridges/Upr Slopes....Northwest 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 (185).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 54-64 mountains.
* Min Humidity........30-45 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 4 to 10 mph. Gusts up to 20 mph in the
afternoon.
* Ridges/Upr Slopes....West 4 to 10 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (247) in the morning increasing to
moderate (456) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 44 to 53 valleys...34 to
44 mountains. Highs 64 to 74 valleys...52 to 62 mountains. West
wind up to 10 mph.
.THURSDAY...Mostly cloudy. Rain showers likely. Lows 45 to
55 valleys...37 to 47 mountains. Highs 63 to 73 valleys...50 to
60 mountains. Southeast wind up to 5 mph.
.FRIDAY...Mostly cloudy with rain and high mountain snow showers
likely. Lows 45 to 54 valleys...36 to 46 mountains. Highs 56 to
66 valleys...43 to 53 mountains. West wind 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of rain and high mountain
snow showers. Lows 40 to 49 valleys...31 to 41 mountains. Highs
58 to 68 valleys...45 to 55 mountains.
.SUNDAY...Mostly cloudy. A chance of rain showers. Lows 41 to
50 valleys...32 to 42 mountains. Highs 58 to 68 valleys...46 to
56 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ704-220330-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-86.
* 24 hr Trend........1 degree cooler.
* Min Humidity........23-30 percent.
* 24 hr Trend........2 percent wetter.
* 20-foot winds.......Northeast up to 3 mph in the morning shifting
to the south 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...Low (192) in the morning increasing to high
(637) in the afternoon.
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....45-54.
* 24 hr Trend........7 degrees cooler.
* Max Humidity........60-75 percent.
* 24 hr Trend........5 percent wetter.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (227).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-80.
* Min Humidity........22-27 percent.
* 20-foot winds.......Northwest 3 to 7 mph. Gusts up to 20 mph in
the morning.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (244) in the morning increasing to
high (668) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 40 to 50. Highs 66 to 75. West
wind up to 5 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of rain
showers. Lows 42 to 52. Highs 60 to 70. West wind up to 10 mph.
.SATURDAY...Partly cloudy. Lows 37 to 47. Highs 59 to 69.
.SUNDAY...Mostly cloudy. Lows 37 to 47. Highs 59 to 67.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ703-220330-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-86.
* 24 hr Trend........1 degree cooler.
* 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 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (248) in the morning increasing to
high (578) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-55.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........55-70 percent.
* 24 hr Trend........Unchanged.
* 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 (150).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-81.
* Min Humidity........23-30 percent.
* 20-foot winds.......Northwest 3 to 6 mph in the morning shifting
to the southwest 3 to 7 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (176) in the morning increasing to
moderate (492) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows near 50. Highs 66 to 75.
Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
48 to 53. Highs 63 to 72. Northwest wind up to 5 mph.
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows near 50. Highs 60 to 69. West wind up to 10 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 42 to
47. Highs 61 to 70.
.SUNDAY...Mostly cloudy. Lows 42 to 47. Highs 58 to 68.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ702-220330-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 70-80 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........24-30 percent.
* 24 hr Trend........1 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 5 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 (333) in the morning increasing to
high (659) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....51-56.
* 24 hr Trend........Unchanged.
* Max Humidity........50-65 percent.
* 24 hr Trend........5 percent wetter valleys, and 10 percent
wetter mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 3 to 5 mph in the evening shifting
to the west up to 3 mph overnight.
* Ridges/Upr Slopes....Southwest up to 4 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 (211).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming 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...Southwest up to 7 mph.
* Ridges/Upr Slopes....Southwest up to 7 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (227) in the morning increasing to
high (596) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 52. Highs 65 to
75 valleys...58 to 67 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
46 to 53. Highs 66 to 76 valleys...58 to 67 mountains. Northeast
wind up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 46 to
53. Highs 60 to 70 valleys...52 to 61 mountains. Southwest wind
up to 10 mph.
.SATURDAY...Partly cloudy. Lows 40 to 47. Highs 59 to
69 valleys...51 to 59 mountains.
.SUNDAY...Mostly cloudy. Lows 39 to 46. Highs 57 to 67 valleys...
50 to 59 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ699-220330-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 69-78 mountains.
* 24 hr Trend........Unchanged.
* Min Humidity........25-35 percent.
* 24 hr Trend........6 percent wetter valleys, and unchanged
mountains.
* 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 (395) in the morning increasing to
very high (842) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-54.
* 24 hr Trend........Unchanged.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 5 percent wetter
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 5 mph.
* 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 (277) in the evening decreasing to
low (29) overnight.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 65-74 mountains.
* Min Humidity........25-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 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 6 mph in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (221) in the morning increasing to
high (710) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 43 to 50. Highs 67 to
77 valleys...59 to 67 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
43 to 49. Highs 65 to 75 valleys...56 to 65 mountains. East wind
up to 5 mph.
.FRIDAY...Mostly cloudy with rain showers likely and a chance of
thunderstorms. Lows 43 to 50. Highs 59 to 69 valleys...51 to
59 mountains. West wind up to 5 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 36 to
44. Highs 58 to 68 valleys...51 to 59 mountains.
.SUNDAY...Mostly cloudy. Lows 36 to 43. Highs 58 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.
$$
WAZ700-701-220330-
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
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....78-85 valleys and 68-78 mountains.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........23-30 percent valleys and 28-40 percent
mountains.
* 24 hr Trend........1 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.......6500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (240) in the morning increasing to
high (594) in the afternoon.
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-55.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........65-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 10 percent wetter
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...South up to 4 mph.
* Ridges/Upr Slopes....South up to 5 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 (168).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 64-73 mountains.
* Min Humidity........26-35 percent valleys and 35-50 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...South up to 7 mph.
* Ridges/Upr Slopes....South up to 7 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....South 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (329) in the morning increasing to
high (710) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 44 to 50. Highs 67 to
75 valleys...58 to 66 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy. A chance of rain showers. Lows 43 to
50. Highs 68 to 76 valleys...59 to 68 mountains. Northeast wind
up to 5 mph.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows 45 to
52. Highs 61 to 68 valleys...51 to 59 mountains. Southwest wind
up to 10 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 38 to
46. Highs 59 to 66 valleys...49 to 58 mountains.
.SUNDAY...Mostly cloudy. Lows 37 to 44. Highs 58 to 66 valleys...
49 to 57 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
IDZ101-220330-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-84 valleys and 68-78 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........25-40 percent.
* 24 hr Trend........5 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 5 mph in the morning shifting to
the southwest 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 (245) in the morning increasing to
high (541) in the afternoon.
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-57.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........65-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........Unchanged valleys, and 5 percent wetter
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 5 mph.
* Ridges/Upr Slopes....South up to 6 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (97).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-79 valleys and 64-74 mountains.
* Min Humidity........35-50 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 7 mph.
* Ridges/Upr Slopes....Southwest up to 8 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (391) in the morning increasing to
high (756) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 53. Highs 67 to
74 valleys...59 to 69 mountains. South wind up to 5 mph.
.THURSDAY...Mostly cloudy. Lows 44 to 52. Highs 71 to
80 valleys...65 to 75 mountains. East wind up to 5 mph.
.FRIDAY...Cooler. Mostly cloudy with a chance of rain showers.
Lows 46 to 54. Highs 60 to 66 valleys...52 to 62 mountains.
Southwest wind up to 10 mph.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 39 to
48. Highs 59 to 65 valleys...50 to 60 mountains.
.SUNDAY...Mostly cloudy. Lows 37 to 46. Highs 58 to 63 valleys...
49 to 59 mountains.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ707-220330-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....82-86.
* 24 hr Trend........Unchanged.
* Min Humidity........26-35 percent.
* 24 hr Trend........6 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 (89) in the morning increasing to
moderate (386) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-59.
* 24 hr Trend........Unchanged.
* Max Humidity........61-80 percent.
* 24 hr Trend........15 percent wetter.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 9 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (111).
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-81.
* Min Humidity........25-35 percent.
* 20-foot winds.......West 3 to 8 mph. Gusts up to 20 mph in the
afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (228) in the morning increasing to
high (609) 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 5 mph.
.THURSDAY...Mostly cloudy. Lows 48 to 55. Highs 71 to 76. North
wind up to 5 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 48 to 55.
Highs in the mid 60s to lower 70s. West wind 5 to 15 mph.
.SATURDAY...Partly cloudy. Lows 43 to 49. Highs in the mid to
upper 60s.
.SUNDAY...Mostly cloudy. Lows 42 to 49. Highs in the mid to upper
60s.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ708-220330-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....83-89.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........20-26 percent.
* 24 hr Trend........6 percent drier.
* 20-foot winds.......East 3 to 7 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 (217) in the morning increasing to
high (606) in the afternoon.
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* 24 hr Trend........1 degree cooler.
* Max Humidity........65-75 percent.
* 24 hr Trend........5 percent wetter.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest up to 6 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (160).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-81.
* Min Humidity........26-35 percent.
* 20-foot winds.......Southwest 3 to 9 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 (314) in the morning increasing to
high (652) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 47 to 52. Highs 71 to 77.
Southwest wind up to 5 mph.
.THURSDAY...Mostly cloudy. Lows 47 to 52. Highs 74 to 80.
Northeast wind up to 5 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 48 to 53.
Highs 65 to 71. Southwest wind up to 10 mph.
.SATURDAY...Partly cloudy. Lows 42 to 47. Highs 63 to 70.
.SUNDAY...Mostly cloudy. Lows 41 to 46. Highs 62 to 69.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ709-220330-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....81-90.
* 24 hr Trend........1 degree warmer.
* Min Humidity........23-29 percent.
* 24 hr Trend........4 percent wetter.
* 20-foot winds.......Southeast 3 to 9 mph in the morning shifting
to the northwest 3 to 6 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 (426).
.TONIGHT...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....55-59.
* 24 hr Trend........Unchanged.
* Max Humidity........50-65 percent.
* 24 hr Trend........5 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 8 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (64).
.TUESDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-83.
* Min Humidity........26-35 percent.
* 20-foot winds.......West 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 (538).
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs 70 to
79. Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy. Lows 49 to 54. Highs 74 to 84.
Southwest wind up to 5 mph.
.FRIDAY...Cooler. Mostly cloudy. A chance of rain showers. Lows
50 to 56. Highs 63 to 72. Southwest wind 5 to 15 mph.
.SATURDAY...Partly cloudy. Lows 44 to 49. Highs 62 to 72.
.SUNDAY...Mostly cloudy. Lows 42 to 48. Highs 60 to 70.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$
WAZ705-706-220330-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
400 AM PDT Mon Sep 21 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....79-88.
* 24 hr Trend........1 degree 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.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (122) in the morning increasing to high
(519) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....50-59.
* 24 hr Trend........3 degrees cooler.
* Max Humidity........55-70 percent.
* 24 hr Trend........5 percent wetter.
* Humidity Recovery...Fair.
* 20-foot winds.......West 3 to 10 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (230).
.TUESDAY...
* Sky/Weather.........Partly sunny then becoming sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81.
* Min Humidity........23-30 percent.
* 20-foot winds.......West 3 to 11 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (244) in the morning increasing to
high (600) in the afternoon.
.Forecast Days 3 Through 7......
.WEDNESDAY...Partly cloudy. Lows 45 to 54. Highs 67 to 76.
Southwest wind up to 10 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
47 to 55. Highs 64 to 74. Northwest wind up to 5 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 47 to 55.
Highs 60 to 69. West wind 5 to 15 mph.
.SATURDAY...Partly cloudy. Lows 41 to 49. Highs 61 to 71.
.SUNDAY...Mostly cloudy. Lows 41 to 50. Highs 59 to 69.
.8 to 14 Day Outlook for Sep 28 - Oct 04, 2026
Near normal temperatures and above normal precipitation.
$$