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.

haze

66°F

19°C

Humidity 48%
Wind Speed SSW 8 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Last update 27 Aug 10:15 PM PDT
Extended Forecast for

Coulee City WA

  • Tonight

    Tonight: Widespread haze after 4am. Areas of smoke before 4am. Partly cloudy, with a low around 55. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight.

    Low: 55 °F

    Areas Smoke
    and Breezy
    then Haze

  • Friday

    Friday: Widespread haze before 3pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Haze

  • Friday Night

    Friday Night: Widespread haze between 1am and 3am. Areas of smoke before 1am. Increasing clouds, with a low around 53. West wind 9 to 11 mph.

    Low: 53 °F

    Areas Smoke
    then Haze

  • Saturday

    Saturday: Mostly cloudy, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. West wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread haze after 4am. Areas of smoke before 4am. Partly cloudy, with a low around 55. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight.
Friday
Widespread haze before 3pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Widespread haze between 1am and 3am. Areas of smoke before 1am. Increasing clouds, with a low around 53. West wind 9 to 11 mph.
Saturday
Mostly cloudy, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 48. West wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 72. Breezy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48. Breezy.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coulee City WA
 47.63°N 119.29°W (Elev. 1568 ft)
Last Update:
10:06 pm PDT Aug 27, 2026
Forecast Valid:
10pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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