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Weather Forecast

State Map
East Slopes of the Central Cascades of Washington
East Slopes of the Southern Cascades of Washington
San Juan County
Western Whatcom County
Central Cascade Foothills
Western Skagit County
Everett and Vicinity
Seattle Metropolitan Area
Tacoma Area
Admiralty Inlet Area
Hood Canal, Kitsap Peninsula
Southwest Interior
Olympics
Eastern Strait of Juan de Fuca
Western Strait of Juan de Fuca
North Coast
Central Coast
West Slopes Northern Cascades and Passes
West Slopes Central Cascades and Passes
South Washington Cascades
Willapa Hills
South Washington Coast
Lower Columbia and I-5 Corridor in Cowlitz County
Western Columbia River Gorge
East Columbia River Gorge
Kittitas Valley
Yakima Valley
Lower Columbia Basin
Foothills of the Blue Mountains
Northwest Blue Mountains
Northeast Blue Mountains
Lower Garfield and Asotin Counties
Washington Palouse
Moses Lake Area
Upper Columbia Basin
Spokane Area
Northeast Mountains
Okanogan Highlands
Greater Vancouver Area
South Washington Cascade Foothills
Wenatchee Area
East Slopes Northern Cascades
Okanogan Valley
Waterville Plateau
East Slopes of the Central Cascades of Washington East Slopes of the Southern Cascades of Washington San Juan County Western Whatcom County Central Cascade Foothills Northwest Interior Everett and Vicinity Seattle Metropolitan Area Tacoma Area Admiralty Inlet Area Hood Canal, Kitsap Peninsula Southwest Interior Olympics Eastern Strait of Juan de Fuca Western Strait of Juan de Fuca North Coast Central Coast West Slopes Northern Cascades and Passes West Slopes Central Cascades and Passes South Washington Cascades Willapa Hills South Washington Coast Lower Columbia and I-5 Corridor in Cowlitz County Western Columbia River Gorge East Columbia River Gorge Kittitas Valley Yakima Valley Lower Columbia Basin Foothills of the Blue Mountains Northwest Blue Mountains Northeast Blue Mountains Lower Garfield and Asotin Counties Washington Palouse Moses Lake Area Upper Columbia Basin Spokane Area Northeast Mountains Okanogan Highlands Greater Vancouver Area South Washington Cascade Foothills Wenatchee Area East Slopes Northern Cascades Okanogan Valley Waterville Plateau

National Weather Service Forecast for Upper Columbia Basin

Tonight
Mostly Cloudy
Mostly cloudy. Lows in the upper 40s to lower 50s. Light wind.
Tuesday
Partly Cloudy
Partly cloudy in the morning then clearing. Highs in the mid to upper 70s. South wind 5 to 15 mph.
Tuesday Night
Mostly Cloudy
Mostly cloudy. Lows around 50. South wind 5 to 10 mph. Gusts up to 20 mph in the evening.
Wednesday
Rain
Mostly cloudy with a 50 percent chance of rain. Highs in the 70s. South wind 5 to 15 mph with gusts to around 30 mph.
Wednesday Night
Rain
Rain. Lows in the lower 50s. Southwest wind 5 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent.
Thursday
Windy
Windy. Mostly cloudy with a 50 percent chance of rain. Highs in the mid 60s to lower 70s.
Thursday Night
Rain
Mostly cloudy with a 20 percent chance of rain. Lows in the mid to upper 40s.
Friday and Friday Night
Rain
Mostly cloudy with a 50 percent chance of rain. Highs in the lower to mid 60s. Lows in the 40s.
Saturday
Rain
Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s to lower 70s.
Saturday Night through Sunday Night
Breezy
Breezy. Mostly cloudy. Lows in the upper 40s to lower 50s. Highs in the upper 60s to upper 70s.
Monday
Partly Cloudy
Partly cloudy. Highs around 80.
Issued: 3:31 PM Monday Sep 21, 2020
Will Expire: 3:31 PM Tuesday Sep 22, 2020