Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6
384
FNUS56 KOTX 052157
FWFOTX

Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
257 PM PDT Sat Sep 5 2026


.DISCUSSION...


Central WA:
- 15-25% chance for thunderstorms and 40-55% chance for showers
  over the Cascades in the evening.
- Fair to excellent relative humidity recovery Saturday night.

Eastern WA:
- 10-15% chance for thunderstorms and 15-40% chance for showers in
  the evening.
- Steadier rain chances over southeast to east-central WA by
  later Sunday into Monday.
- Good to excellent relative humidity recovery Saturday night.

North ID:
- 10-15% chance for thunderstorms and 15-40% chance for showers in
  the evening,
- Steadier rain chances over much of Idaho by later Sunday into
  Monday.
- Excellent relative humidity recovery Saturday night.

An active weather pattern will continue through the weekend and
early next week. Expect periodic showers, isolated thunderstorms,
cooler than normal temperatures, and higher relative humidity.
Weather begins to trend warmer and drier on Tuesday.

***************************************************************
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).
***************************************************************

WAZ696-698-061315-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy. A chance of rain showers early
  in the evening. A chance of rain showers late in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....45-52 valleys and 37-47 mountains.
*  24 hr Trend........1 degree cooler valleys, and 4 degrees warmer
   mountains.
* Max Humidity........65-80 percent.
*  24 hr Trend........10 percent wetter.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North up to 6 mph.
*     Ridges/Upr Slopes....North up to 6 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (314) in the evening decreasing to
  low (41) overnight.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....68-78 valleys and 56-66 mountains.
*  24 hr Trend........3 degrees warmer valleys, and 8 degrees warmer
   mountains.
* Min Humidity........30-45 percent valleys and 40-55 percent
  mountains.
*  24 hr Trend........5 percent wetter valleys, and 10 percent drier
   mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 6 mph.
*     Ridges/Upr Slopes....North 3 to 6 mph.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (380).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-55 valleys and 40-50 mountains.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest 3 to 10 mph. Gusts up to 20 mph
      overnight.
*     Ridges/Upr Slopes....Northwest 3 to 10 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (346) in the evening decreasing to
  low (56) overnight.

.LABOR DAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers in the
  afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....66-76 valleys and 54-64 mountains.
* Min Humidity........40-55 percent valleys and 50-65 percent
  mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest 4 to 12 mph with gusts to around
      25 mph.
*     Ridges/Upr Slopes....Northwest 4 to 12 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Northwest 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (450) in the morning increasing to
  high (638) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 48 to 58 valleys...40 to
50 mountains. Highs 72 to 82 valleys...60 to 70 mountains. West
wind up to 10 mph.
.WEDNESDAY...Mostly clear. Lows 51 to 61 valleys...43 to
53 mountains. Highs 77 to 87 valleys...65 to 75 mountains. West
wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 53 to 63 valleys...46 to
56 mountains. Highs 75 to 85 valleys...62 to 72 mountains. West
wind up to 10 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 51 to
61 valleys...44 to 54 mountains. Highs 70 to 80 valleys...57 to
67 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 50 to
60 valleys...42 to 52 mountains. Highs 67 to 77 valleys...55 to
65 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ697-061315-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy. A chance of showers and
  thunderstorms early in the evening.
* Chance of Lightning...20 percent.
* Min Temperature.....43-48 valleys and 36-43 mountains.
*  24 hr Trend........Unchanged valleys, and 5 degrees warmer
   mountains.
* Max Humidity........60-75 percent valleys and 70-80 percent
  mountains.
*  24 hr Trend........15 percent wetter valleys, and unchanged
   mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 6 mph.
*     Ridges/Upr Slopes....North 3 to 6 mph in the evening shifting to
      the northeast 3 to 7 mph overnight.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Low (133).

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....69-79 valleys and 57-67 mountains.
*  24 hr Trend........3 degrees warmer valleys, and 11 degrees
   warmer mountains.
* Min Humidity........30-45 percent.
*  24 hr Trend........5 percent wetter valleys, and 10 percent drier
   mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest up to 3 mph in the morning
      shifting to the west 3 to 5 mph in the afternoon.
*     Ridges/Upr Slopes....North 3 to 6 mph in the morning shifting to
      the northwest in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (212) in the morning increasing to
  moderate (434) in the afternoon.

.SUNDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....45-51 valleys and 39-47 mountains.
* Max Humidity........60-75 percent valleys and 71-90 percent
  mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest 3 to 7 mph.
*     Ridges/Upr Slopes....Northwest 3 to 7 mph.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (389) in the evening decreasing to
  low (44) overnight.

.LABOR DAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....65-75 valleys and 53-63 mountains.
* Min Humidity........45-60 percent valleys and 55-70 percent
  mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...West 4 to 9 mph. Gusts up to 20 mph in the
      afternoon.
*     Ridges/Upr Slopes....West 4 to 9 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (364) in the morning increasing to
  moderate (486) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 49 to 59 valleys...39 to
49 mountains. Highs 74 to 84 valleys...62 to 72 mountains. West
wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 52 to 62 valleys...42 to
52 mountains. Highs 78 to 88 valleys...66 to 76 mountains. West
wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 55 to 64 valleys...46 to
56 mountains. Highs 74 to 84 valleys...62 to 72 mountains. West
wind up to 10 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 52 to
62 valleys...43 to 53 mountains. Highs 70 to 80 valleys...58 to
68 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 51 to
61 valleys...42 to 52 mountains. Highs 67 to 77 valleys...56 to
66 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ704-061315-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy. A chance of rain showers early
  in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....46-54.
*  24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
*  24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest up to 5 mph.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (386) in the evening decreasing to
  low (42) overnight.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-78.
*  24 hr Trend........4 degrees warmer.
* Min Humidity........25-35 percent.
*  24 hr Trend........Unchanged.
* 20-foot winds.......Northwest up to 6 mph in the morning shifting
  to the southwest up to 4 mph in the afternoon.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (389).

.SUNDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....47-57.
* Max Humidity........61-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (292) in the evening decreasing to
  low (47) overnight.

.LABOR DAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-79.
* Min Humidity........29-35 percent.
* 20-foot winds.......Northwest 3 to 8 mph.
* Mixing Height.......7500 ft AGL.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (504) in the morning increasing to high
  (742) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 46 to 56. Highs 73 to 82.
Southwest wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 49 to 58. Highs 78 to 87.
Southwest wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 51 to 60. Highs 77 to 85. West
wind up to 5 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 50 to 60.
Highs 72 to 80.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 48 to
58. Highs 69 to 77.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ703-061315-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy. A chance of rain showers early
  in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....48-53.
*  24 hr Trend........2 degrees warmer.
* Max Humidity........55-70 percent.
*  24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......North 3 to 10 mph.
* Mixing Height.......5500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (377) in the evening decreasing to
  low (48) overnight.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-79.
*  24 hr Trend........3 degrees warmer.
* Min Humidity........28-35 percent.
*  24 hr Trend........Unchanged.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (418).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-57.
* Max Humidity........55-70 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (238) in the evening decreasing to
  low (38) overnight.

.LABOR DAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers in the
  late morning and afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....70-80.
* Min Humidity........30-40 percent.
* 20-foot winds.......Northwest 3 to 6 mph.
* Mixing Height.......8000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (381) in the morning increasing to
  high (598) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 50 to 56. Highs 72 to 82. South
wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 52 to 58. Highs 77 to 86. South
wind up to 10 mph.
.THURSDAY...Partly cloudy. Lows 54 to 60. Highs 77 to 86.
Southwest wind up to 10 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 54 to 59.
Highs 71 to 80.
.SATURDAY...Partly cloudy. A chance of rain showers. Lows 52 to
58. Highs 69 to 78.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ702-061315-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Mostly cloudy. A chance of rain showers early
  in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....44-50.
*  24 hr Trend........4 degrees warmer.
* Max Humidity........60-70 percent.
*  24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northeast 3 to 7 mph.
*     Ridges/Upr Slopes....Northeast 3 to 8 mph.
* Mixing Height.......6000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (319) in the evening decreasing to
  low (45) overnight.

.SUNDAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers late
  in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....69-78 valleys and 62-72 mountains.
*  24 hr Trend........4 degrees warmer.
* Min Humidity........35-40 percent valleys and 40-50 percent
  mountains.
*  24 hr Trend........5 percent wetter valleys, and unchanged
   mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 7 mph.
*     Ridges/Upr Slopes....North 3 to 7 mph.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (348).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of rain showers.
* Chance of Lightning...0 percent.
* Min Temperature.....46-53.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest 3 to 4 mph.
*     Ridges/Upr Slopes....Northwest 3 to 5 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (207).

.LABOR DAY...
* Sky/Weather.........Partly sunny. A chance of rain showers in the
  late morning and afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 61-71 mountains.
* Min Humidity........35-45 percent.
* 20-foot winds.......
*     Valleys/Lwr Slopes...West 3 to 8 mph. Gusts up to 20 mph in the
      afternoon.
*     Ridges/Upr Slopes....West 3 to 8 mph.
* Mixing Height.......8000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (456) in the morning increasing to
  very high (839) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 48 to 54. Highs 69 to 79 valleys...
63 to 73 mountains. South wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 49 to 55. Highs 74 to
84 valleys...68 to 77 mountains. South wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 52 to 57. Highs 75 to
85 valleys...67 to 77 mountains. South wind up to 5 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 51 to 57.
Highs 70 to 80 valleys...63 to 72 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 49 to
55. Highs 67 to 77 valleys...60 to 70 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ699-061315-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Mostly cloudy. A chance of rain showers in
  the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....41-48.
*  24 hr Trend........2 degrees warmer.
* Max Humidity........71-90 percent valleys and 65-80 percent
  mountains.
*  24 hr Trend........20 percent drier valleys, and unchanged
   mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North up to 6 mph.
*     Ridges/Upr Slopes....North up to 6 mph.
* Mixing Height.......5000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (320) in the evening decreasing to
  low (36) overnight.

.SUNDAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers late
  in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....68-78 valleys and 61-70 mountains.
*  24 hr Trend........2 degrees warmer.
* Min Humidity........30-40 percent valleys and 35-50 percent
  mountains.
*  24 hr Trend........5 percent wetter valleys, and unchanged
   mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 6 mph.
*     Ridges/Upr Slopes....North 3 to 6 mph.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (313).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of rain showers.
* Chance of Lightning...0 percent.
* Min Temperature.....42-49.
* Max Humidity........65-80 percent.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest up to 4 mph.
*     Ridges/Upr Slopes....Northwest up to 4 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 (204).

.LABOR DAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers
  through the day.
* Chance of Lightning...0 percent.
* Max Temperature.....67-77 valleys and 60-69 mountains.
* Min Humidity........35-45 percent valleys and 40-55 percent
  mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest up to 6 mph.
*     Ridges/Upr Slopes....Northwest up to 6 mph.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (471) in the morning increasing to
  high (739) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. Lows 45 to 53. Highs 70 to 79 valleys...
63 to 73 mountains. Southwest wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 46 to 53. Highs 74 to
84 valleys...67 to 77 mountains. Southwest wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 48 to 56. Highs 74 to
83 valleys...67 to 76 mountains. Southwest wind up to 5 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers. Lows 48 to 55.
Highs 69 to 78 valleys...61 to 71 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 46 to
53. Highs 66 to 75 valleys...59 to 69 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ700-701-061315-
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
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Mostly cloudy. A chance of rain showers early
  in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....42-48.
*  24 hr Trend........4 degrees warmer.
* Max Humidity........71-90 percent.
*  24 hr Trend........Unchanged valleys, and 20 percent drier
   mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North up to 7 mph.
*     Ridges/Upr Slopes....South up to 7 mph in the evening shifting to
      the northeast 3 to 9 mph overnight.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (276) in the evening decreasing to
  low (37) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers in the
  late morning and afternoon. A chance of thunderstorms in the
  afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....70-77 valleys and 60-69 mountains.
*  24 hr Trend........Unchanged.
* Min Humidity........35-45 percent valleys and 50-65 percent
  mountains.
*  24 hr Trend........10 percent wetter valleys, and 15 percent
   wetter mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 6 mph.
*     Ridges/Upr Slopes....North 3 to 6 mph.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (328).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of thunderstorms
  early in the evening. A chance of rain showers through the night.
  Patchy fog early in the morning.
* Chance of Lightning...20 percent.
* Min Temperature.....44-50.
* Max Humidity........81-100 percent.
* Humidity Recovery...Excellent.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Northwest up to 3 mph.
*     Ridges/Upr Slopes....Northwest up to 4 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....20 percent.
* Ventilation Index...Moderate (217).

.LABOR DAY...
* Sky/Weather.........Partly sunny. Patchy fog early in the
  morning. A chance of rain showers through the day. A chance of
  thunderstorms late in the afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....65-74 valleys and 55-65 mountains.
* Min Humidity........45-60 percent valleys and 60-75 percent
  mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Southwest up to 7 mph. Gusts up to 20 mph in
      the afternoon.
*     Ridges/Upr Slopes....Southwest up to 7 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....20 percent.
* Ventilation Index...Moderate (303) in the morning increasing to
  high (783) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. A chance of rain showers. Lows 42 to
52. Highs 69 to 77 valleys...59 to 68 mountains. South wind up to
5 mph.
.WEDNESDAY...Mostly clear. Lows 42 to 52. Highs 74 to
82 valleys...65 to 74 mountains. South wind up to 5 mph.
.THURSDAY...Partly cloudy. Lows 45 to 54. Highs 75 to
83 valleys...65 to 74 mountains. South wind up to 5 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 46 to 55.
Highs 70 to 78 valleys...60 to 70 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 44 to
53. Highs 67 to 75 valleys...57 to 66 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

IDZ101-061315-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy. A
  chance of rain showers.
* Chance of Lightning...0 percent.
* Min Temperature.....43-48.
*  24 hr Trend........2 degrees warmer.
* Max Humidity........81-100 percent valleys and 80-90 percent
  mountains.
*  24 hr Trend........Unchanged valleys, and 10 percent wetter
   mountains.
* Humidity Recovery...Excellent.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 7 mph.
*     Ridges/Upr Slopes....North 3 to 7 mph in the evening shifting to
      the northeast 3 to 8 mph overnight.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Northeast 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (293) in the evening decreasing to
  low (41) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers early
  in the morning. A chance of rain showers in the late morning and
  afternoon. A chance of thunderstorms in the afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....69-76 valleys and 61-71 mountains.
*  24 hr Trend........1 degree warmer.
* Min Humidity........45-60 percent valleys and 55-70 percent
  mountains.
*  24 hr Trend........5 percent wetter.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North 3 to 6 mph.
*     Ridges/Upr Slopes....Northeast 3 to 7 mph in the morning shifting
      to the northwest 3 to 4 mph in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....East 5 to 10 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (220) in the morning increasing to
  moderate (479) in the afternoon.

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain showers likely and a
  chance of thunderstorms until early morning. Rain showers early
  in the morning. Patchy fog overnight.
* Chance of Lightning...20 percent.
* Min Temperature.....44-51.
* Max Humidity........81-100 percent.
* Humidity Recovery...Excellent.
* 20-foot winds.......
*     Valleys/Lwr Slopes...North around 3 mph in the evening shifting
      to the west up to 3 mph overnight.
*     Ridges/Upr Slopes....North 3 to 5 mph.
* Mixing Height.......2000 ft AGL falling to near surface.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....50 percent.
* Ventilation Index...Low (150).

.LABOR DAY...
* Sky/Weather.........Mostly cloudy. Patchy fog early in the
  morning. Rain showers through the day. A chance of thunderstorms
  in the afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....59-68 valleys and 50-60 mountains.
* Min Humidity........65-80 percent valleys and 71-90 percent
  mountains.
* 20-foot winds.......
*     Valleys/Lwr Slopes...Southwest up to 8 mph. Gusts up to 20 mph in
      the afternoon.
*     Ridges/Upr Slopes....Southwest up to 8 mph. Gusts up to 20 mph in
      the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....70 percent.
* Ventilation Index...Moderate (294) in the morning increasing to
  high (789) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Partly cloudy. A chance of rain showers. Lows 44 to
54. Highs 68 to 73 valleys...58 to 68 mountains. Southwest wind
up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 44 to 54. Highs
73 to 81 valleys...65 to 75 mountains. South wind up to 10 mph.
.FRIDAY...Partly cloudy. A chance of rain showers. Lows 47 to 56.
Highs 69 to 76 valleys...61 to 71 mountains.
.SATURDAY...Mostly cloudy. A chance of rain showers. Lows 45 to
54. Highs 66 to 72 valleys...57 to 67 mountains.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ707-061315-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Mostly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....46-54.
*  24 hr Trend........1 degree warmer.
* Max Humidity........65-80 percent.
*  24 hr Trend........10 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Northwest 3 to 6 mph in the evening shifting
  to the north 3 to 11 mph overnight.
* Mixing Height.......6500 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (291) in the evening decreasing to
  low (54) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers late
  in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....72-75.
*  24 hr Trend........1 degree warmer.
* Min Humidity........40-50 percent.
*  24 hr Trend........10 percent wetter.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (458) in the morning increasing to
  high (502) in the afternoon.

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of rain showers
  through the night.
* Chance of Lightning...0 percent.
* Min Temperature.....49-57.
* Max Humidity........80-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 6 mph.
* Mixing Height.......3500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (350) in the evening decreasing to
  low (48) overnight.

.LABOR DAY...
* Sky/Weather.........Mostly sunny. A chance of rain showers in the
  morning.
* Chance of Lightning...0 percent.
* Max Temperature.....73-79.
* Min Humidity........35-45 percent.
* 20-foot winds.......Southwest 3 to 10 mph. Gusts up to 25 mph in
  the afternoon.
* Mixing Height.......9000 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (410) in the morning increasing to
  very high (1119) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Mostly clear. Lows 46 to 55. Highs 76 to 81. South
wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 49 to 59. Highs
82 to 88. Southwest wind up to 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of rain
showers. Lows 51 to 61. Highs 75 to 82.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ708-061315-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy. A
  chance of rain showers early in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....45-49.
*  24 hr Trend........Unchanged.
* Max Humidity........75-90 percent.
*  24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......West 3 to 6 mph in the evening shifting to
  the northeast up to 6 mph overnight.
* Mixing Height.......6000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (400) in the evening decreasing to
  low (45) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers in the
  late morning and afternoon. A chance of thunderstorms late in the
  afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....73-77.
*  24 hr Trend........2 degrees warmer.
* Min Humidity........40-45 percent.
*  24 hr Trend........10 percent wetter.
* 20-foot winds.......North 3 to 7 mph.
* Mixing Height.......6500 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (474).

.SUNDAY 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.....48-52.
* Max Humidity........75-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 3 to 6 mph.
* Mixing Height.......4500 ft AGL falling to near surface.
* Transport Winds.....West 5 to 10 mph.
* CWR (> 0.10 IN).....20 percent.
* Ventilation Index...Moderate (363) in the evening decreasing to
  low (133) overnight.

.LABOR DAY...
* Sky/Weather.........Partly sunny. A chance of rain showers
  through the day.
* Chance of Lightning...0 percent.
* Max Temperature.....66-75.
* Min Humidity........40-55 percent.
* 20-foot winds.......Southwest 4 to 11 mph. Gusts up to 25 mph in
  the afternoon.
* Mixing Height.......7500 ft AGL.
* Transport Winds.....West 10 to 15 mph.
* CWR (> 0.10 IN).....20 percent.
* Ventilation Index...Moderate (447) in the morning increasing to
  very high (1061) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Mostly clear. Lows 44 to 52. Highs 73 to 80. South
wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 46 to 56. Highs
79 to 87. South wind up to 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of rain
showers. Lows 47 to 57. Highs 73 to 83.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ709-061315-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy. A chance of rain showers early
  in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....48-52.
*  24 hr Trend........Unchanged.
* Max Humidity........65-80 percent.
*  24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......South up to 8 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (268) in the evening decreasing to
  low (33) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny. A chance of rain showers in the
  late morning and afternoon. A chance of thunderstorms late in the
  afternoon.
* Chance of Lightning...20 percent.
* Max Temperature.....69-79.
*  24 hr Trend........1 degree warmer.
* Min Humidity........40-55 percent.
*  24 hr Trend........15 percent wetter.
* 20-foot winds.......West up to 10 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (182) in the morning increasing to
  moderate (483) in the afternoon.

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. A chance of rain showers in
  the evening. A chance of thunderstorms until early morning. Rain
  showers overnight.
* Chance of Lightning...20 percent.
* Min Temperature.....50-55.
* Max Humidity........75-90 percent.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 3 to 10 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....West 5 to 15 mph.
* CWR (> 0.10 IN).....40 percent.
* Ventilation Index...Moderate (380).

.LABOR DAY...
* Sky/Weather.........Partly sunny. Rain showers likely in the
  morning, then a chance of rain showers early in the afternoon. A
  chance of rain showers late in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....65-75.
* Min Humidity........40-55 percent.
* 20-foot winds.......Southwest 5 to 15 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Southwest 10 to 20 mph.
* CWR (> 0.10 IN).....20 percent.
* Ventilation Index...High (549) in the morning increasing to very
  high (884) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Mostly clear. Lows near 50. Highs 71 to 81. Southeast
wind up to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 50 to 59. Highs
79 to 89. Southwest wind up to 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of rain
showers. Lows 52 to 60. Highs 72 to 82.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$

WAZ705-706-061315-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
257 PM PDT Sat Sep 5 2026

.Tonight...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy. A
  chance of rain showers early in the evening.
* Chance of Lightning...0 percent.
* Min Temperature.....48-54.
*  24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
*  24 hr Trend........15 percent drier.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest 3 to 10 mph.
* Mixing Height.......7000 ft AGL falling to near surface.
* Transport Winds.....North 5 to 15 mph.
* CWR (> 0.10 IN).....10 percent.
* Ventilation Index...Moderate (299) in the evening decreasing to
  low (56) overnight.

.SUNDAY...
* Sky/Weather.........Partly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....69-79.
*  24 hr Trend........1 degree warmer.
* Min Humidity........30-40 percent.
*  24 hr Trend........Unchanged.
* 20-foot winds.......North 3 to 11 mph.
* Mixing Height.......7000 ft AGL.
* Transport Winds.....North 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (462).

.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy. A
  chance of rain showers.
* Chance of Lightning...0 percent.
* Min Temperature.....51-58.
* Max Humidity........60-75 percent.
* Humidity Recovery...Fair.
* 20-foot winds.......West 3 to 9 mph.
* Mixing Height.......4000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (300) in the evening decreasing to
  low (54) overnight.

.LABOR DAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....71-80.
* Min Humidity........30-40 percent.
* 20-foot winds.......West 3 to 14 mph.
* Mixing Height.......8500 ft AGL.
* Transport Winds.....Northwest 5 to 15 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...High (560) in the morning increasing to very
  high (1006) in the afternoon.


.Forecast Days 3 Through 7......
.TUESDAY...Mostly clear. Lows 48 to 57. Highs 73 to 83. South
wind up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 51 to 60. Highs 78 to 88. South
wind up to 10 mph.
.THURSDAY...Partly cloudy. Lows 54 to 62. Highs 78 to 88. West
wind 5 to 15 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of rain
showers. Lows 52 to 61. Highs 71 to 81.

.8 to 14 Day Outlook for Sep 12 - 18 2026

Below normal temperatures and above normal precipitation.


$$