Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
439
FNUS56 KOTX 162129
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
229 PM PDT Wed Sep 16 2026
.DISCUSSION...
Central WA:
- Decreasing north-northeast winds down the Okanogan Valley, over
the Waterville Plateau, and across the Columbia Basin
Wednesday night.
- Poor to fair RH recovery overnight.
- Mild and dry with light winds Thursday.
Eastern WA:
- Poor to fair RH recovery overnight.
- Mild and dry with light winds Thursday.
- 30-60 percent chance of showers with a 10-15 percent chance of
thunderstorms across southeastern WA Thursday evening into
Friday. Outflow gusts up to 40 mph.
North ID:
- Poor to fair RH recovery overnight.
- Mild and dry with light winds Thursday.
- 30-60 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 40 mph.
There is a 30-60 percent chance for showers and 10-15 percent
chance for thunderstorms over Southeast WA and the central
Panhandle mountains Thursday afternoon into Friday. Otherwise
expect mostly dry and mild conditions with light winds.
***************************************************************
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).
***************************************************************
WAZ696-698-171315-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....48-58 valleys and 40-50 mountains.
* 24 hr Trend........5 degrees warmer valleys, and 11 degrees
warmer mountains.
* Max Humidity........45-60 percent.
* 24 hr Trend........45 percent drier valleys, and 30 percent drier
mountains.
* Humidity Recovery...Poor.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 6 mph.
* Ridges/Upr Slopes....North up to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (171).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85 valleys and 64-74 mountains.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........23-30 percent.
* 24 hr Trend........9 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 6 mph in the morning shifting to
the southeast up to 5 mph in the afternoon.
* Ridges/Upr Slopes....North 3 to 6 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (258).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-60 valleys and 43-53 mountains.
* Max Humidity........45-60 percent.
* Humidity Recovery...Poor.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 7 mph.
* Ridges/Upr Slopes....Northwest 3 to 7 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (147).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 62-72 mountains.
* Min Humidity........26-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph in the morning shifting
to the southwest in the afternoon.
* Ridges/Upr Slopes....Northwest 3 to 7 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (380).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 51 to 61 valleys...
44 to 54 mountains. Highs 74 to 84 valleys...63 to 73 mountains.
West wind up to 5 mph.
.MONDAY...Partly cloudy. Lows 51 to 61 valleys...43 to
53 mountains. Highs 71 to 81 valleys...60 to 70 mountains. West
wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 48 to 58 valleys...40 to
50 mountains. Highs 67 to 77 valleys...56 to 66 mountains.
.WEDNESDAY...Mostly cloudy. Lows 48 to 58 valleys...40 to
50 mountains. Highs 65 to 75 valleys...54 to 64 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ697-171315-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-58 valleys and 40-50 mountains.
* 24 hr Trend........8 degrees warmer.
* Max Humidity........40-50 percent valleys and 45-60 percent
mountains.
* 24 hr Trend........30 percent drier valleys, and 25 percent drier
mountains.
* Humidity Recovery...Poor.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast 3 to 9 mph.
* Ridges/Upr Slopes....Northeast 3 to 9 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 (154).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....78-88 valleys and 66-76 mountains.
* 24 hr Trend........4 degrees warmer.
* Min Humidity........21-27 percent.
* 24 hr Trend........5 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 3 mph in the morning
shifting to the west 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Northeast 3 to 7 mph in the morning shifting
to the west in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (305).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-60 valleys and 41-51 mountains.
* Max Humidity........50-65 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.......1500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (149).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 63-73 mountains.
* Min Humidity........25-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...West 3 to 6 mph.
* Ridges/Upr Slopes....West 3 to 7 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (367).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 51 to 61 valleys...
42 to 52 mountains. Highs 77 to 87 valleys...64 to 74 mountains.
West wind up to 5 mph.
.MONDAY...Partly cloudy. Lows 51 to 61 valleys...42 to
52 mountains. Highs 72 to 82 valleys...60 to 70 mountains. West
wind up to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 48 to
58 valleys...39 to 49 mountains. Highs 69 to 79 valleys...57 to
67 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ704-171315-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....45-53.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........15 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......North up to 5 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (176).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........20-24 percent.
* 24 hr Trend........6 percent drier.
* 20-foot winds.......Northwest up to 6 mph in the morning shifting
to the southeast up to 4 mph in the afternoon.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (186).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-56.
* Max Humidity........45-60 percent.
* Humidity Recovery...Poor.
* 20-foot winds.......Northwest 3 to 5 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (74).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* Min Humidity........19-29 percent.
* 20-foot winds.......Northwest 3 to 4 mph in the morning shifting
to the southeast 3 to 6 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 (323).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 48 to 58. Highs
75 to 85. Southwest wind up to 5 mph.
.MONDAY...Partly cloudy. Lows 48 to 57. Highs 74 to 82. West wind
up to 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs
67 to 77.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ703-171315-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-53.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........20 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......North 3 to 10 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (228).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-82.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........23-26 percent.
* 24 hr Trend........6 percent drier.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (283).
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....50-56.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......North 3 to 5 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (35).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82.
* Min Humidity........27-35 percent.
* 20-foot winds.......North 3 to 5 mph in the morning shifting to
the southeast in the afternoon.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (201).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 52 to 57. Highs
73 to 82. South wind up to 10 mph.
.MONDAY...Partly cloudy. Lows 52 to 57. Highs 74 to 82. West wind
up to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 49 to 55. Highs
67 to 76.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ702-171315-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....45-51.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........20 percent drier valleys, and 30 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 3 to 8 mph.
* Ridges/Upr Slopes....North 3 to 9 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (229).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-83 valleys and 68-78 mountains.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........21-26 percent.
* 24 hr Trend........6 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 3 to 8 mph.
* Ridges/Upr Slopes....North 3 to 8 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (229).
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-54.
* Max Humidity........50-65 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 4 mph.
* Ridges/Upr Slopes....North up to 5 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (70).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....71-81 valleys and 65-75 mountains.
* Min Humidity........28-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast 3 to 4 mph in the morning shifting
to the southwest 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....North 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.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (115) in the morning increasing to
moderate (319) in the afternoon.
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 50 to 56. Highs
72 to 82 valleys...66 to 76 mountains. Southwest wind up to
5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 48 to 55. Highs
67 to 77 valleys...60 to 70 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ699-171315-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....42-50.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........61-80 percent valleys and 55-70 percent
mountains.
* 24 hr Trend........35 percent drier valleys, and 10 percent drier
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 6 mph.
* Ridges/Upr Slopes....North up to 6 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (172).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 67-76 mountains.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........21-26 percent.
* 24 hr Trend........7 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 3 to 6 mph.
* Ridges/Upr Slopes....North 3 to 6 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (201).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....44-52.
* Max Humidity........55-70 percent valleys and 50-60 percent
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 4 mph.
* Ridges/Upr Slopes....North up to 4 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (67).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 66-75 mountains.
* Min Humidity........25-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 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 3 to 4 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (116) in the morning increasing to
moderate (332) in the afternoon.
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 47 to 53. Highs
74 to 84 valleys...66 to 75 mountains. Southwest wind up to
5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 44 to 52. Highs
68 to 78 valleys...59 to 69 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ700-701-171315-
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
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....42-50.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........65-80 percent.
* 24 hr Trend........20 percent drier valleys, and 30 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...North up to 7 mph.
* Ridges/Upr Slopes....North up to 9 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (216).
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-83 valleys and 67-76 mountains.
* 24 hr Trend........5 degrees warmer.
* Min Humidity........23-29 percent.
* 24 hr Trend........9 percent drier.
* 20-foot winds.......
* Valleys/Lwr Slopes...North 3 to 7 mph.
* Ridges/Upr Slopes....North 3 to 7 mph.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (225).
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....44-52.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the evening becoming
southeast up to 3 mph overnight.
* Ridges/Upr Slopes....North up to 4 mph in the evening shifting to
the northeast 3 to 4 mph overnight.
* Mixing Height.......Falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (68).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 64-73 mountains.
* Min Humidity........30-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...East up to 3 mph in the morning shifting to
the southwest up to 4 mph in the afternoon.
* Ridges/Upr Slopes....Northeast 3 to 4 mph in the morning shifting
to the southwest in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (322).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 46 to 54. Highs
73 to 81 valleys...64 to 74 mountains. South wind up to 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 44 to 52. Highs
68 to 76 valleys...59 to 69 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
IDZ101-171315-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....43-52.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........71-90 percent valleys and 65-80 percent
mountains.
* 24 hr Trend........20 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast 3 to 7 mph.
* Ridges/Upr Slopes....Northeast 3 to 8 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 (167).
.THURSDAY...
* Sky/Weather.........Mostly sunny. A chance of thunderstorms in
the evening.
* Chance of Lightning...10 percent.
* Max Temperature.....75-81 valleys and 67-77 mountains.
* 24 hr Trend........4 degrees warmer.
* Min Humidity........28-40 percent.
* 24 hr Trend........5 percent drier valleys, and unchanged
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast 3 to 7 mph.
* Ridges/Upr Slopes....Northeast 3 to 7 mph.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (260).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of thunderstorms in
the evening. A chance of rain showers through the night.
* Chance of Lightning...10 percent.
* Min Temperature.....47-55.
* Max Humidity........70-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...West up to 4 mph in the evening shifting to
the south overnight.
* Ridges/Upr Slopes....South up to 5 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....Southeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (70).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-79 valleys and 61-71 mountains.
* Min Humidity........35-50 percent valleys and 45-60 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southeast up to 3 mph in the morning
shifting to the southwest 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....Southwest up to 5 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (188) in the morning increasing to
moderate (408) in the afternoon.
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 46 to 55. Highs
72 to 80 valleys...63 to 73 mountains. South wind up to 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs
68 to 75 valleys...60 to 70 mountains.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ707-171315-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-56.
* 24 hr Trend........3 degrees warmer.
* Max Humidity........61-80 percent.
* 24 hr Trend........15 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......North 4 to 12 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....North 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (403) in the evening decreasing to
low (59) overnight.
.THURSDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-81.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........22-29 percent.
* 24 hr Trend........4 percent drier.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....North 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (369).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-55.
* Max Humidity........71-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 6 mph in the evening shifting to
the southeast up to 6 mph overnight.
* 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 (162).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-79.
* Min Humidity........35-45 percent.
* 20-foot winds.......Northeast up to 6 mph in the morning shifting
to the south 3 to 5 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 (320).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 50 to 58. Highs
75 to 82. West wind up to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 49 to 56. Highs
71 to 77.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ708-171315-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-52.
* 24 hr Trend........1 degree cooler.
* Max Humidity........65-80 percent.
* 24 hr Trend........25 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Northeast 3 to 8 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Northeast 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (397) in the evening decreasing to
low (57) overnight.
.THURSDAY...
* Sky/Weather.........Mostly sunny. A chance of thunderstorms in
the evening.
* Chance of Lightning...10 percent.
* Max Temperature.....77-83.
* 24 hr Trend........4 degrees warmer.
* Min Humidity........22-30 percent.
* 24 hr Trend........11 percent drier.
* 20-foot winds.......North 3 to 8 mph.
* Mixing Height.......4000 ft AGL.
* Transport Winds.....North 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (343).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of rain showers early
in the evening. A chance of rain showers in the late evening and
overnight.
* Chance of Lightning...0 percent.
* Min Temperature.....49-55.
* Max Humidity........75-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 6 mph in the evening shifting to
the south up to 6 mph overnight.
* 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 (184).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-81.
* Min Humidity........35-40 percent.
* 20-foot winds.......Southeast 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 (359).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 49 to 55. Highs
76 to 85. South wind up to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 47 to 55. Highs
73 to 80.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ709-171315-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-55.
* 24 hr Trend........4 degrees warmer.
* Max Humidity........65-80 percent.
* 24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......North 3 to 6 mph in the evening shifting to
the south up to 3 mph overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (212).
.THURSDAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers early
in the afternoon. A chance of showers and thunderstorms late in
the afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....71-81.
* 24 hr Trend........1 degree cooler.
* Min Humidity........30-40 percent.
* 24 hr Trend........Unchanged.
* 20-foot winds.......West up to 6 mph.
* Mixing Height.......2500 ft AGL.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (254).
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of thunderstorms in
the evening. A chance of rain showers through the night.
* Chance of Lightning...20 percent.
* Min Temperature.....52-57.
* Max Humidity........70-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 3 to 6 mph.
* Mixing Height.......Falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Low (93).
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82.
* Min Humidity........35-45 percent.
* 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 (386).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 52 to 57. Highs
76 to 86. Southwest wind up to 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows 50 to 57. Highs
72 to 82.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$
WAZ705-706-171315-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
229 PM PDT Wed Sep 16 2026
.Tonight...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....47-57.
* 24 hr Trend........1 degree warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........15 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......North up to 11 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (372) in the evening decreasing to
low (54) overnight.
.THURSDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* 24 hr Trend........3 degrees warmer.
* Min Humidity........22-27 percent.
* 24 hr Trend........11 percent drier.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......3500 ft AGL.
* Transport Winds.....North 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (276).
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....49-59.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......1500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (102).
.FRIDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83.
* Min Humidity........29-40 percent.
* 20-foot winds.......North 3 to 6 mph in the morning shifting to
the southeast 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 (272).
.Forecast Days 3 Through 7......
.SATURDAY THROUGH MONDAY...Mostly clear. Lows 51 to 60. Highs
74 to 84. West wind up to 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 49 to 57. Highs
67 to 77.
.8 to 14 Day Outlook for Sep 24 - 30 2026
Near normal temperatures and above normal precipitation.
$$