National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

10 year Anniversary of Historic Windstorm: Nov 17, 2015

A historic and damaging wind storm took place on Nov 17, 2015. The Inland Northwest felt the impacts far and wide of the strong and damaging winds. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

43°F

6°C

Humidity 56%
Wind Speed NE 10 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Nov 11:15 AM PST
Extended Forecast for

Grand Coulee WA

  • Today

    Today: Sunny, with a high near 46. North wind around 6 mph becoming calm in the afternoon.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. East wind 5 to 8 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Northeast wind 6 to 8 mph.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 46. North wind around 6 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 32. East wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 41. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 39. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly cloudy, with a high near 40.
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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 am PST Nov 28, 2025
Forecast Valid:
11am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation