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

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Overcast

66°F

19°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Aug 10:55 PM PDT
Extended Forecast for

9 Miles NNW Coulee City WA

  • Tonight

    Tonight: Areas of smoke after midnight. Partly cloudy, with a low around 60. South wind 3 to 5 mph.

    Low: 60 °F

    Areas Smoke

  • Thursday

    Thursday: Widespread haze before 2pm. Sunny, with a high near 91. Southeast wind 3 to 7 mph.

    High: 91 °F

    Haze

  • Thursday Night

    Thursday Night: Areas of smoke after midnight. Partly cloudy, with a low around 62. Light and variable wind becoming northwest around 6 mph after midnight.

    Low: 62 °F

    Mostly Clear
    then Areas
    Smoke

  • Friday

    Friday: Widespread haze before 11am. Increasing clouds, with a high near 94. North wind around 8 mph becoming east in the afternoon.

    High: 94 °F

    Haze then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm. Cloudy, with a low around 68. South wind 6 to 8 mph becoming northwest in the evening.

    Low: 68 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Breezy.

    Low: 57 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of smoke after midnight. Partly cloudy, with a low around 60. South wind 3 to 5 mph.
Thursday
Widespread haze before 2pm. Sunny, with a high near 91. Southeast wind 3 to 7 mph.
Thursday Night
Areas of smoke after midnight. Partly cloudy, with a low around 62. Light and variable wind becoming northwest around 6 mph after midnight.
Friday
Widespread haze before 11am. Increasing clouds, with a high near 94. North wind around 8 mph becoming east in the afternoon.
Friday Night
A 20 percent chance of showers after 11pm. Cloudy, with a low around 68. South wind 6 to 8 mph becoming northwest in the evening.
Saturday
A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 57. Breezy.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Coulee City WA
 47.73°N 119.35°W (Elev. 2326 ft)
Last Update:
10:31 pm PDT Aug 19, 2026
Forecast Valid:
11pm PDT Aug 19, 2026-6pm PDT Aug 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