Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 28 Feb 07:35 AM PST
Extended Forecast for

Grand Coulee WA

  • Today

    Today: Mostly sunny, with a high near 52. Light northeast wind.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. Light north wind.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light northeast wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 10pm.  Cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 52. Light northeast wind.
Tonight
Partly cloudy, with a low around 33. North wind 3 to 5 mph.
Sunday
Sunny, with a high near 53. Light north wind.
Sunday Night
Mostly clear, with a low around 35. Light northeast wind.
Monday
Sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
A 20 percent chance of rain after 10pm. Cloudy, with a low around 40.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
3:27 am PST Feb 28, 2026
7am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database