Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
310
FNUS56 KOTX 172133
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
233 PM PDT Thu Sep 17 2026
.DISCUSSION...
Central WA:
- Poor to fair humidity recovery Thursday Night
- Warm and dry Friday
Eastern WA:
- 30 percent chance of showers with a 10-20 percent chance of
thunderstorms across southeastern WA Thursday evening. Outflow gusts
up to 30 mph.
- Warm and dry Friday
North ID:
- 30 percent chance of showers with a 10-15 percent chance of
thunderstorms across the central Panhandle mountains Thursday
evening into Friday. Outflow gusts up to 30 mph.
- Warm and dry Friday except 20 percent chance of showers Central
Panhandle Mountains.
There is a 30 percent chance for showers and 10-20 percent chance
for thunderstorms over Southeast WA and the central Panhandle
mountains Thursday afternoon into Friday. Otherwise expect dry
and mild conditions through the weekend.
***************************************************************
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).
***************************************************************
WAZ696-698-181400-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....48-55 valleys and 41-50 mountains.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........45-60 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Poor.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 9 mph.
* Ridges/Upr Slopes....Northwest 3 to 9 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...Low (199).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 62-72 mountains.
* 24 hr Trend........3 degrees cooler.
* Min Humidity........26-35 percent valleys and 30-45 percent
mountains.
* 24 hr Trend........10 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph in the morning shifting
to the south in the afternoon.
* Ridges/Upr Slopes....Northwest 3 to 7 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (309).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....51-61 valleys and 44-54 mountains.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 6 mph.
* Ridges/Upr Slopes....Northwest up 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...Low (196).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 63-73 mountains.
* Min Humidity........26-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 4 mph in the morning
shifting to the south up to 6 mph in the afternoon.
* Ridges/Upr Slopes....Northwest 3 to 5 mph in the morning shifting
to the southwest 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...Moderate (380).
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 52 to 62 valleys...45 to
55 mountains. Highs 75 to 85 valleys...64 to 74 mountains.
Southwest wind up to 5 mph.
.MONDAY...Partly cloudy. Lows 52 to 62 valleys...44 to
54 mountains. Highs 74 to 84 valleys...62 to 72 mountains. West
wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 48 to 58 valleys...40 to
50 mountains. Highs 65 to 75 valleys...54 to 64 mountains. West
wind up to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 55 valleys...37 to
47 mountains. Highs 63 to 73 valleys...51 to 61 mountains.
.THURSDAY...Mostly cloudy. Lows 47 to 57 valleys...39 to
49 mountains. Highs 65 to 75 valleys...54 to 64 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ697-181400-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....45-52 valleys and 39-45 mountains.
* 24 hr Trend........1 degree warmer.
* Max Humidity........50-60 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........5 percent wetter.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 8 mph.
* Ridges/Upr Slopes....Northwest 3 to 8 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 (216).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 64-74 mountains.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........25-40 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent wetter
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 8 mph.
* Ridges/Upr Slopes....Northwest 3 to 8 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (131) in the morning increasing to
moderate (331) in the afternoon.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....51-61 valleys and 42-52 mountains.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph.
* Ridges/Upr Slopes....Northwest 3 to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (188).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 65-75 mountains.
* Min Humidity........24-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest around 3 mph in the morning
shifting to the southwest 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....North 2 to 4 mph in the morning
shifting to the west 3 to 6 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (158) in the morning increasing to
moderate (376) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Clear. Lows 52 to 62 valleys...43 to 53 mountains.
Highs 79 to 89 valleys...67 to 77 mountains. West wind up to
5 mph.
.MONDAY...Mostly clear. Lows 52 to 62 valleys...43 to
53 mountains. Highs 73 to 83 valleys...61 to 71 mountains. West
wind up to 10 mph.
.TUESDAY...Partly cloudy. A chance of rain showers. Lows 48 to
58 valleys...39 to 49 mountains. Highs 65 to 75 valleys...54 to
64 mountains. West wind 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 55 valleys...36 to
46 mountains. Highs 65 to 75 valleys...53 to 63 mountains.
.THURSDAY...Mostly cloudy. Lows 47 to 56 valleys...38 to
48 mountains. Highs 68 to 78 valleys...56 to 66 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ704-181400-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-56.
* 24 hr Trend........7 degrees warmer.
* Max Humidity........45-60 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Poor.
* 20-foot winds.......Southeast 3 to 7 mph in the evening shifting
to the northwest up to 6 mph overnight.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (151).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85.
* 24 hr Trend........3 degrees cooler.
* Min Humidity........20-30 percent.
* 24 hr Trend........4 percent wetter.
* 20-foot winds.......Northwest up to 4 mph in the morning shifting
to the southeast 3 to 6 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (299).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-57.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest up to 4 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (160).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-85.
* Min Humidity........24-35 percent.
* 20-foot winds.......Northwest up to 3 mph in the morning shifting
to the southeast 3 to 6 mph in the afternoon.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (325).
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 50 to 59. Highs 76 to 86. South wind
up to 5 mph.
.MONDAY...Partly cloudy. Lows 50 to 59. Highs 76 to 85. West wind
up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 56. Highs 68 to 77.
Northwest wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 43 to 53. Highs 65 to 73.
.THURSDAY...Mostly cloudy. Lows 44 to 53. Highs 67 to 75.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ703-181400-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-56.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........25 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......North 3 to 10 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (105).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83.
* 24 hr Trend........1 degree cooler.
* Min Humidity........26-35 percent.
* 24 hr Trend........8 percent wetter.
* 20-foot winds.......North 3 to 5 mph in the morning shifting to
the southeast in the afternoon.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....Northeast around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (210).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....52-57.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......South up to 4 mph in the evening shifting to
the northwest overnight.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (94).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-83.
* Min Humidity........30-35 percent.
* 20-foot winds.......North up to 4 mph in the morning shifting to
the south 3 to 7 mph in the afternoon.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (293).
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 53 to 58. Highs 75 to 84. South wind
up to 10 mph.
.MONDAY...Partly cloudy. Lows 53 to 58. Highs 75 to 84. Southwest
wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 51 to 56. Highs 69 to 77.
Northwest wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows near 50. Highs 65 to 74.
.THURSDAY...Mostly cloudy. Lows 49 to 54. Highs 67 to 75.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ702-181400-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....45-51.
* 24 hr Trend........1 degree cooler.
* Max Humidity........50-65 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 3 to 7 mph.
* Ridges/Upr Slopes....North up to 7 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (139).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-80.
* 24 hr Trend........3 degrees cooler.
* Min Humidity........27-35 percent.
* 24 hr Trend........6 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 2 to 4 mph in the morning
shifting to the south 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....Northeast up to 4 mph in the morning
shifting to the southwest 3 to 4 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (219).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-55.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...West up to 3 mph in the evening shifting to
the north up to 4 mph overnight.
* Ridges/Upr Slopes....West up to 4 mph in the evening shifting to
the north up to 6 mph overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (103).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 67-77 mountains.
* Min Humidity........28-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast 2 to 4 mph in the morning
shifting to the south 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Northeast up to 5 mph in the morning
shifting to the south 3 to 5 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 (355).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 51 to 57. Highs 74 to
84 valleys...67 to 77 mountains. Southeast wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 49 to 56. Highs 67 to 77 valleys...
61 to 70 mountains. Southwest wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 46 to 54. Highs 64 to
74 valleys...57 to 66 mountains.
.THURSDAY...Mostly cloudy. Lows 46 to 53. Highs 67 to
77 valleys...60 to 70 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ699-181400-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....43-49.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........35 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 6 mph.
* Ridges/Upr Slopes....North up to 6 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (141).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 67-76 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........25-35 percent.
* 24 hr Trend........6 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 3 mph in the morning
shifting to the southwest up to 4 mph in the afternoon.
* Ridges/Upr Slopes....North up to 3 mph in the morning shifting to
the west 2 to 4 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (261).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-53.
* Max Humidity........60-75 percent valleys and 55-65 percent
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the evening becoming north up
to 3 mph overnight.
* Ridges/Upr Slopes....Southwest up to 3 mph in the evening
shifting to the northwest overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (113).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85 valleys and 67-77 mountains.
* Min Humidity........25-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 3 mph in the morning
shifting to the south up to 5 mph in the afternoon.
* Ridges/Upr Slopes....Northeast up to 3 mph in the morning
shifting to the south 3 to 5 mph in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (176) in the morning increasing to
moderate (411) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 48 to 54. Highs 76 to 86 valleys...
68 to 77 mountains. South wind up to 5 mph.
.MONDAY...Partly cloudy. Lows 48 to 55. Highs 75 to 85 valleys...
67 to 76 mountains. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 54. Highs 68 to 78 valleys...
61 to 70 mountains. West wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 44 to 51. Highs 65 to
75 valleys...57 to 66 mountains.
.THURSDAY...Mostly cloudy. Lows 43 to 50. Highs 67 to
77 valleys...60 to 69 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ700-701-181400-
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
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....42-48.
* 24 hr Trend........1 degree warmer.
* Max Humidity........70-80 percent valleys and 60-75 percent
mountains.
* 24 hr Trend........20 percent drier valleys, and 10 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph.
* Ridges/Upr Slopes....Northwest 3 to 6 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (81).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 65-74 mountains.
* 24 hr Trend........3 degrees cooler.
* Min Humidity........28-40 percent.
* 24 hr Trend........8 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the morning becoming
southwest up to 3 mph in the afternoon.
* Ridges/Upr Slopes....Southwest up to 4 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (232).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-53.
* Max Humidity........70-80 percent valleys and 60-75 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the evening becoming north up
to 3 mph overnight.
* Ridges/Upr Slopes....Northwest up to 3 mph in the evening
shifting to the north 3 to 5 mph overnight.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (87).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-83 valleys and 66-76 mountains.
* Min Humidity........29-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 3 mph in the morning
shifting to the southwest up to 4 mph in the afternoon.
* Ridges/Upr Slopes....Northeast 3 to 5 mph in the morning shifting
to the southwest 3 to 5 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (133) in the morning increasing to
moderate (345) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 47 to 55. Highs 75 to
83 valleys...66 to 76 mountains. Southeast wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 54. Highs 69 to 76 valleys...
59 to 68 mountains. South wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 44 to 51. Highs 66 to
73 valleys...56 to 65 mountains.
.THURSDAY...Mostly cloudy. Lows 43 to 50. Highs 69 to
76 valleys...59 to 68 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
IDZ101-181400-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Partly cloudy. A chance of showers and
thunderstorms in the evening. A chance of rain showers overnight.
* Chance of Lightning...15 percent.
* Min Temperature.....44-51.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........65-80 percent.
* 24 hr Trend........20 percent drier valleys, and unchanged
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 7 mph.
* Ridges/Upr Slopes....Southwest up to 7 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (88).
.FRIDAY...
* Sky/Weather.........Partly cloudy. A 20 percent of rain showers
in Central Panhandle Mountains.
* Chance of Lightning...10 percent.
* Max Temperature.....71-79 valleys and 62-72 mountains.
* 24 hr Trend........5 degrees cooler.
* Min Humidity........35-45 percent valleys and 40-55 percent
mountains.
* 24 hr Trend........5 percent wetter.
* 20-foot winds.......
* Valleys/Lwr Slopes...West up to 5 mph.
* Ridges/Upr Slopes....West up to 3 mph in the morning increasing
to 3 to 5 mph in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (303).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-55.
* Max Humidity........71-90 percent valleys and 65-80 percent
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 3 mph in the evening
shifting to the northeast overnight.
* Ridges/Upr Slopes....Northwest 3 to 5 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (111).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-81 valleys and 64-74 mountains.
* Min Humidity........35-50 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...East up to 3 mph in the morning shifting to
the west up to 4 mph in the afternoon.
* Ridges/Upr Slopes....Northeast up to 5 mph in the morning
shifting to the west 3 to 5 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (373).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 48 to 56. Highs 75 to
82 valleys...66 to 76 mountains. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 48 to 56. Highs 68 to 75 valleys...
60 to 70 mountains. South wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 53. Highs 66 to
71 valleys...57 to 67 mountains.
.THURSDAY...Partly cloudy. Lows 45 to 53. Highs 69 to
76 valleys...61 to 71 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ707-181400-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....50-55.
* 24 hr Trend........1 degree warmer.
* Max Humidity........70-80 percent.
* 24 hr Trend........10 percent wetter.
* Humidity Recovery...Good.
* 20-foot winds.......South 3 to 11 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 (143).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-81.
* 24 hr Trend........1 degree cooler.
* Min Humidity........30-40 percent.
* 24 hr Trend........11 percent wetter.
* 20-foot winds.......East 3 to 6 mph in the morning shifting to
the south 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 (247).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-57.
* Max Humidity........71-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest up to 4 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...Low (145).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....78-82.
* Min Humidity........30-40 percent.
* 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...Moderate (314).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 52 to 59. Highs 80 to
85. Southwest wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 51 to 57. Highs in the 70s. West
wind up to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 48 to 54. Highs
70 to 77.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ708-181400-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy. A
chance of thunderstorms early in the evening on the palouse. A
chance of rain showers through the night on the palouse.
* Chance of Lightning...10 percent.
* Min Temperature.....49-54.
* 24 hr Trend........4 degrees warmer.
* Max Humidity........75-90 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 11 mph in the evening shifting to
the south up to 9 mph overnight.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....5 percent.
* Ventilation Index...Low (170).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-81.
* 24 hr Trend........Unchanged.
* Min Humidity........30-40 percent.
* 24 hr Trend........11 percent wetter.
* 20-foot winds.......South up to 5 mph in the morning shifting to
the southwest 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 (313).
.FRIDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-55.
* Max Humidity........70-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......West up to 4 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....West around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (193).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-83.
* Min Humidity........28-35 percent.
* 20-foot winds.......Southeast up to 4 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 (354).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 50 to 56. Highs 80 to
87. South wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 50 to 56. Highs 73 to 79.
Southwest wind up to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 47 to 53. Highs
71 to 81.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ709-181400-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy. A
chance of thunderstorms in the evening. A chance of rain showers
through the night.
* Chance of Lightning...20 percent.
* Min Temperature.....53-57.
* 24 hr Trend........6 degrees warmer.
* Max Humidity........75-90 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 3 to 12 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....Southwest 5 to 15 mph.
* CWR (> 0.10 IN).....5 percent.
* Ventilation Index...Low (113).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82.
* 24 hr Trend........6 degrees warmer.
* Min Humidity........35-45 percent.
* 24 hr Trend........10 percent drier.
* 20-foot winds.......South 3 to 6 mph in the morning shifting to
the west in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (352).
.FRIDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....52-56.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 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 (235).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85.
* Min Humidity........29-40 percent.
* 20-foot winds.......South up to 6 mph in the morning shifting to
the northwest 3 to 6 mph in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (307).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 53 to 59. Highs 79 to
89. South wind up to 5 mph.
.TUESDAY...Mostly clear. Lows in the mid to upper 50s. Highs
72 to 82. Southwest wind up to 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower to mid 50s. Highs
70 to 79.
.THURSDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
73 to 83.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ705-706-181400-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
233 PM PDT Thu Sep 17 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-57.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........60-75 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest 3 to 7 mph in the evening shifting
to the northwest overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (111).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* 24 hr Trend........Unchanged.
* Min Humidity........29-35 percent.
* 24 hr Trend........10 percent wetter.
* 20-foot winds.......North 3 to 6 mph in the morning shifting to
the southeast 3 to 5 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (216).
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....51-60.
* Max Humidity........61-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 2 to 5 mph in the evening
shifting to the northwest 3 to 6 mph overnight.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (138).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-84.
* Min Humidity........29-35 percent.
* 20-foot winds.......Northwest 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 (104) in the morning increasing to
moderate (338) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 53 to 61. Highs 76 to
85. West wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 50 to 58. Highs 68 to 77. West
wind up to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 47 to 56. Highs 65 to 74.
.THURSDAY...Mostly cloudy. Lows 47 to 56. Highs 67 to 76.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$