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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Overcast

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.55 in (1034.54 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 16 Jan 11:55 PM PST
Extended Forecast for

Grand Coulee WA

Air Stagnation Advisory January 17, 12:15am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 17, 12:15am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 30 °F

    Cloudy

  • Saturday

    Saturday: Areas of fog. Otherwise, cloudy, with a high near 40. Calm wind.

    High: 40 °F

    Areas Fog

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Light north wind.

    High: 41 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Light northeast wind.

    Low: 28 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 30. Calm wind.
Saturday
Areas of fog. Otherwise, cloudy, with a high near 40. Calm wind.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 30. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Light north wind.
Sunday Night
Partly cloudy, with a low around 28. Light northeast wind.
M.L.King Day
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 37.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
Last Update:
9:02 pm PST Jan 16, 2026
Forecast Valid:
12am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation