Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
289
FNUS56 KOTX 181157
FWFOTX
Fire Weather Planning Forecast for Eastern Washington and North Idaho
National Weather Service Spokane WA
457 AM PDT Fri Sep 18 2026
.DISCUSSION...
Central WA:
- Warm and dry Friday
- Poor to fair humidity recovery in Cascades Gaps Friday Night
- Fair to good humidity recovery for Basin
Eastern WA:
- Warm and dry Friday
- Fair to good humidity recovery for Basin
North ID:
- Warm and dry Friday except 20 percent chance of showers Central
Panhandle Mountains.
- Fair to good humidity recovery for Basin
Early morning precip chances will diminish by mid morning. Stable
conditions expected behind exiting system. Region will have 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).
***************************************************************
WAZ696-698-190115-
East Washington Central Cascades (Zone 696)-
East Washington North Cascades (Zone 698)-
Including the cities of Stevens Pass, Lake Wenatchee Area,
and Leavenworth
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 62-72 mountains.
* 24 hr Trend........2 degrees cooler.
* Min Humidity........25-35 percent valleys and 30-45 percent
mountains.
* 24 hr Trend........13 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....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 (306).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-60 valleys and 44-54 mountains.
* 24 hr Trend........5 degrees warmer valleys, and 1 degree cooler
mountains.
* Max Humidity........55-70 percent.
* 24 hr Trend........5 percent wetter.
* 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 (161).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 63-73 mountains.
* Min Humidity........27-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 4 mph in the morning
shifting to the south 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....Southwest 3 to 6 mph.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (399).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 52 to 62 valleys...
45 to 55 mountains. Highs 75 to 85 valleys...63 to 73 mountains.
West wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 49 to 59 valleys...41 to
51 mountains. Highs 69 to 79 valleys...57 to 67 mountains. West
wind up to 5 mph.
.WEDNESDAY...Mostly cloudy. Lows 46 to 56 valleys...38 to
48 mountains. Highs 66 to 76 valleys...54 to 64 mountains.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows
48 to 58 valleys...40 to 50 mountains. Highs 67 to 77 valleys...
56 to 66 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ697-190115-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
Including the city of Stehekin
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-86 valleys and 64-74 mountains.
* 24 hr Trend........1 degree warmer.
* Min Humidity........26-35 percent.
* 24 hr Trend........4 percent drier valleys, and 8 percent wetter
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 8 mph.
* Ridges/Upr Slopes....West 3 to 8 mph.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (121) in the morning increasing to
moderate (328) in the afternoon.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-60 valleys and 42-52 mountains.
* 24 hr Trend........8 degrees warmer valleys, and 1 degree warmer
mountains.
* Max Humidity........55-70 percent.
* 24 hr Trend........15 percent drier valleys, and 5 percent wetter
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest 3 to 6 mph.
* Ridges/Upr Slopes....North 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 (150).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-87 valleys and 64-74 mountains.
* Min Humidity........24-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest 3 to 6 mph.
* Ridges/Upr Slopes....Southwest 3 to 7 mph.
* 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......
.SUNDAY...Clear. Lows 50 to 60 valleys...42 to 52 mountains.
Highs 78 to 88 valleys...66 to 76 mountains. Southwest wind up to
5 mph.
.MONDAY...Mostly clear. Lows 52 to 61 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...39 to
49 mountains. Highs 69 to 79 valleys...57 to 67 mountains. West
wind up to 10 mph.
.WEDNESDAY...Mostly cloudy. Lows 46 to 56 valleys...38 to
48 mountains. Highs 68 to 78 valleys...55 to 65 mountains.
.THURSDAY...Mostly cloudy. A chance of rain showers. Lows 48 to
58 valleys...40 to 50 mountains. Highs 70 to 80 valleys...58 to
68 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ704-190115-
Methow Valley (Zone 704)-
Including the cities of Mazama, Winthrop, and Twisp
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-85.
* 24 hr Trend........1 degree warmer.
* Min Humidity........18-28 percent.
* 24 hr Trend........6 percent wetter.
* 20-foot winds.......North up to 4 mph in the morning shifting to
the southeast 3 to 6 mph in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (297).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....48-57.
* 24 hr Trend........2 degrees warmer.
* Max Humidity........50-65 percent.
* 24 hr Trend........5 percent wetter.
* Humidity Recovery...Fair.
* 20-foot winds.......Northwest up to 5 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Northwest 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (165).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-85.
* Min Humidity........25-35 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.......4500 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (371).
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 48 to 56. Highs 76 to 85. South wind
up to 5 mph.
.MONDAY...Mostly clear. Lows 49 to 58. Highs 76 to 85. West wind
up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 56. Highs 71 to 80. West
wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy. Lows 44 to 53. Highs
68 to 77.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ703-190115-
Okanogan Valley (Zone 703)-
Including the cities of Conconully and Omak
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-83.
* 24 hr Trend........1 degree warmer.
* Min Humidity........21-30 percent.
* 24 hr Trend........10 percent wetter.
* 20-foot winds.......North 3 to 5 mph in the morning shifting to
the southeast in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....North around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (207).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....51-56.
* 24 hr Trend........1 degree warmer.
* Max Humidity........55-70 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......Southwest up to 4 mph in the evening shifting
to the north 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 (78).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-82.
* Min Humidity........30-40 percent.
* 20-foot winds.......Northeast up to 4 mph in the morning shifting
to the south 3 to 8 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (138) in the morning increasing to
moderate (354) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 51 to 56. Highs 75 to 83. South wind
up to 10 mph.
.MONDAY...Mostly clear. Lows 52 to 57. Highs 75 to 84. Southwest
wind up to 10 mph.
.TUESDAY...Partly cloudy. Lows 51 to 56. Highs 71 to 80.
Northwest wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy. Lows 49 to 54. Highs
68 to 77.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ702-190115-
Colville Reservation (Zone 702)-
Including the cities of Nespelem and Keller
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....70-80.
* 24 hr Trend........2 degrees cooler.
* Min Humidity........25-35 percent.
* 24 hr Trend........8 percent wetter valleys, and 15 percent
wetter mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 4 mph in the morning shifting to
the southwest 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 (246).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-54.
* 24 hr Trend........5 degrees warmer.
* Max Humidity........55-65 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 4 mph in the evening
shifting to the north overnight.
* Ridges/Upr Slopes....West up to 5 mph in the evening shifting to
the north overnight.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (135).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....71-81.
* Min Humidity........28-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...East 3 to 4 mph in the morning shifting to
the south 3 to 6 mph in the afternoon.
* Ridges/Upr Slopes....East up to 4 mph in the morning shifting to
the south 3 to 5 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (342).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 50 to 56. Highs 74 to
84 valleys...67 to 77 mountains. Southeast wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 50 to 56. Highs 70 to 80 valleys...
63 to 73 mountains. South wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy. Lows 47 to 54. Highs
68 to 78 valleys...61 to 71 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ699-190115-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Including the cities of Republic and Curlew
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-83 valleys and 67-77 mountains.
* 24 hr Trend........Unchanged.
* 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 in the afternoon.
* Mixing Height.......6000 ft AGL.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (246).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....46-52.
* 24 hr Trend........4 degrees warmer.
* Max Humidity........60-75 percent valleys and 50-65 percent
mountains.
* 24 hr Trend........10 percent wetter valleys, and unchanged
mountains.
* Humidity Recovery...Fair.
* 20-foot winds.......
* Valleys/Lwr Slopes...Southwest up to 3 mph in the evening
shifting to the north overnight.
* Ridges/Upr Slopes....West up to 3 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Northwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (115).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84 valleys and 67-76 mountains.
* Min Humidity........25-35 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northeast up to 3 mph in the morning
shifting to the south 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....Southeast 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 around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (408).
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 46 to 53. Highs 76 to
86 valleys...68 to 77 mountains. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 53. Highs 71 to 81 valleys...
64 to 73 mountains. South wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy. Lows 44 to 51. Highs
69 to 79 valleys...61 to 71 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ700-701-190115-
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
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 65-74 mountains.
* 24 hr Trend........1 degree cooler.
* Min Humidity........26-35 percent valleys and 30-45 percent
mountains.
* 24 hr Trend........5 percent wetter valleys, and unchanged
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the morning becoming
southwest up to 3 mph in the afternoon.
* Ridges/Upr Slopes....Southeast 3 to 4 mph in the morning shifting
to the southwest in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (208).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....45-52.
* 24 hr Trend........5 degrees warmer.
* Max Humidity........61-80 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent wetter
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds.
* Ridges/Upr Slopes....West up to 4 mph in the evening shifting to
the north 3 to 5 mph 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 (87).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-82 valleys and 66-75 mountains.
* Min Humidity........29-40 percent.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the morning becoming
southwest 3 to 4 mph in the afternoon.
* Ridges/Upr Slopes....Northeast 3 to 4 mph in the morning shifting
to the southwest 3 to 5 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (137) in the morning increasing to
moderate (389) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 46 to 54. Highs 76 to
83 valleys...66 to 76 mountains. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 47 to 54. Highs 72 to 79 valleys...
62 to 71 mountains. South wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 52. Highs 69 to
76 valleys...59 to 68 mountains.
.THURSDAY...Mostly cloudy. Lows 44 to 51. Highs 72 to
79 valleys...62 to 71 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
IDZ101-190115-
Northern and Central Idaho Panhandle (Zone 101)-
Including the cities of St. Maries, Rathdrum Prairie,
Silver Valley, Bonners Ferry, and Priest Lake
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Mostly sunny. A chance of rain showers early
in the afternoon.
* Chance of Lightning...0 percent.
* Max Temperature.....71-79 valleys and 62-72 mountains.
* 24 hr Trend........2 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...Southeast up to 3 mph in the morning
shifting to the west 3 to 5 mph in the afternoon.
* Ridges/Upr Slopes....West up to 5 mph.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....West around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (298).
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....46-54.
* 24 hr Trend........Unchanged.
* Max Humidity........65-80 percent.
* 24 hr Trend........Unchanged valleys, and 5 percent drier
mountains.
* Humidity Recovery...Good.
* 20-foot winds.......
* Valleys/Lwr Slopes...Northwest up to 3 mph in the evening
shifting to the north overnight.
* Ridges/Upr Slopes....Northwest up 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 (104).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....73-80 valleys and 64-74 mountains.
* Min Humidity........30-40 percent valleys and 35-50 percent
mountains.
* 20-foot winds.......
* Valleys/Lwr Slopes...Light winds in the morning becoming west 3
to 5 mph in the afternoon.
* Ridges/Upr Slopes....Northeast up to 4 mph in the morning
shifting to the west 3 to 5 mph in the afternoon.
* Mixing Height.......5500 ft AGL.
* Transport Winds.....West around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (187) in the morning increasing to high
(563) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY THROUGH MONDAY...Mostly clear. Lows 47 to 55. Highs 75 to
82 valleys...66 to 76 mountains. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 48 to 56. Highs 71 to 77 valleys...
63 to 73 mountains. South wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 46 to 54. Highs 69 to
75 valleys...61 to 71 mountains.
.THURSDAY...Partly cloudy. Lows 46 to 54. Highs 73 to
81 valleys...65 to 75 mountains.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ707-190115-
Western Columbia Basin (Zone 707)-
Including the cities of Moses Lake and Ephrata
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....77-81.
* 24 hr Trend........1 degree cooler.
* Min Humidity........26-35 percent.
* 24 hr Trend........Unchanged.
* 20-foot winds.......Northeast 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 0 to 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (238).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....49-56.
* 24 hr Trend........2 degrees cooler.
* Max Humidity........71-90 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......South up to 5 mph.
* Mixing Height.......2500 ft AGL falling to near surface.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (154).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....78-82.
* Min Humidity........30-40 percent.
* 20-foot winds.......East up to 4 mph in the morning shifting to
the south 3 to 6 mph in the afternoon.
* Mixing Height.......4500 ft AGL.
* Transport Winds.....South around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (107) in the morning increasing to
moderate (319) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 49 to 56. Highs 79 to 84. East wind
up to 5 mph.
.MONDAY...Mostly clear. Lows 50 to 58. Highs in the lower to mid
80s. West wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows 50 to 57. Highs in the mid 70s to
lower 80s. West wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 48 to 55. Highs in the lower to
mid 70s.
.THURSDAY...Mostly cloudy. Lows 48 to 54. Highs 74 to 79.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ708-190115-
Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)-
Including the cities of Spokane, Pullman, Ritzville, Wilbur,
and Cheney
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....75-81.
* 24 hr Trend........2 degrees warmer.
* Min Humidity........27-35 percent.
* 24 hr Trend........2 percent wetter.
* 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 (300).
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....48-54.
* 24 hr Trend........1 degree cooler.
* Max Humidity........70-80 percent.
* 24 hr Trend........Unchanged.
* Humidity Recovery...Good.
* 20-foot winds.......West up to 4 mph.
* Mixing Height.......3000 ft AGL falling to near surface.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (175).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....76-83.
* 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.......5000 ft AGL.
* Transport Winds.....Southwest around 5 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (132) in the morning increasing to
moderate (355) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 48 to 54. Highs 80 to 87. East wind
up to 5 mph.
.MONDAY...Mostly clear. Lows 50 to 56. Highs 80 to 87. South wind
up to 5 mph.
.TUESDAY...Partly cloudy. Lows 50 to 56. Highs 76 to 82. South
wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 48 to 54. Highs
73 to 83.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ709-190115-
Lower Palouse - Snake River (Zone 709)-
Including the city of Pomeroy
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Mostly sunny. A chance of rain showers in the
morning.
* Chance of Lightning...0 percent.
* Max Temperature.....72-82.
* 24 hr Trend........7 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 3 to 7 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 (335).
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Chance of Lightning...0 percent.
* Min Temperature.....51-55.
* 24 hr Trend........Unchanged.
* Max Humidity........65-80 percent.
* 24 hr Trend........5 percent drier.
* 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...Low (186).
.SATURDAY...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* Min Humidity........29-40 percent.
* 20-foot winds.......South 3 to 5 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 (331).
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows in the lower to mid 50s. Highs 79 to
89. East wind up to 5 mph.
.MONDAY...Mostly clear. Lows in the mid to upper 50s. Highs 79 to
89. South wind up to 5 mph.
.TUESDAY...Partly cloudy. Lows in the mid to upper 50s. Highs
75 to 84. Southwest wind up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 51 to 56. Highs
75 to 85.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$
WAZ705-706-190115-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
Including the cities of Chelan, Wenatchee, Waterville,
and Grand Coulee
457 AM PDT Fri Sep 18 2026
.Today...
* Sky/Weather.........Sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* 24 hr Trend........3 degrees cooler.
* Min Humidity........25-35 percent.
* 24 hr Trend........11 percent wetter.
* 20-foot winds.......Northeast 3 to 6 mph in the morning shifting
to the south 3 to 4 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....North 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Moderate (207).
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Chance of Lightning...0 percent.
* Min Temperature.....50-59.
* 24 hr Trend........1 degree cooler.
* Max Humidity........61-80 percent.
* 24 hr Trend........5 percent drier.
* Humidity Recovery...Good.
* 20-foot winds.......Southwest 3 to 6 mph in the evening shifting
to the northwest up 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 (135).
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Chance of Lightning...0 percent.
* Max Temperature.....74-84.
* Min Humidity........29-35 percent.
* 20-foot winds.......North up to 5 mph in the morning shifting to
the south 3 to 6 mph in the afternoon.
* Mixing Height.......5000 ft AGL.
* Transport Winds.....South 5 to 10 mph.
* CWR (> 0.10 IN).....0 percent.
* Ventilation Index...Low (108) in the morning increasing to
moderate (337) in the afternoon.
.Forecast Days 3 Through 7......
.SUNDAY...Mostly clear. Lows 50 to 59. Highs 75 to 85. Southeast
wind up to 5 mph.
.MONDAY...Mostly clear. Lows 52 to 60. Highs 76 to 86. West wind
up to 5 mph.
.TUESDAY...Partly cloudy. Lows 50 to 58. Highs 71 to 81. West
wind up to 5 mph.
.WEDNESDAY...Partly cloudy. Lows 48 to 56. Highs 68 to 77.
.THURSDAY...Mostly cloudy. Lows 48 to 56. Highs 69 to 79.
.8 to 14 Day Outlook for Sep 25 - Oct 01, 2026
Above normal temperatures and above normal precipitation.
$$