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

Grand Coulee Dam Airport (K3W7)

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

Partly Cloudy

64°F

18°C

Humidity 52%
Wind Speed S 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 02:15 PM PDT
Extended Forecast for

9 Miles NNW Coulee City WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 63. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph.

    High: 63 °F

    Slight Chance
    Rain and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Breezy, with a west wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 39 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 10 to 17 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 63. Breezy, with a west wind around 22 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a west wind 13 to 20 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 52. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 10 to 17 mph.
Sunday
Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 50.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 51. Breezy. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 30. Breezy.
Thursday
Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Coulee City WA
 47.73°N 119.35°W (Elev. 2326 ft)
Last Update:
2:26 pm PDT Mar 20, 2026
Forecast Valid:
2pm PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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