Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

21°F

-6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Jan 09:55 PM PST
Extended Forecast for

Grand Coulee WA

  • Tonight

    Tonight: Mostly clear, with a low around 22. Light south wind.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 34. East wind 3 to 5 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Light northeast wind.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35. Southeast wind 3 to 5 mph.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Light northeast wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Light south wind.
Sunday
Sunny, with a high near 34. East wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 25. Light northeast wind.
Monday
Mostly cloudy, with a high near 35. Southeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 24. Light northeast wind.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
9:02 pm PST Jan 24, 2026
10pm PST Jan 24, 2026-6pm PST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database