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.

Overcast

61°F

16°C

Humidity 48%
Wind Speed SW 10 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 25 May 10:55 PM PDT
Extended Forecast for

9 Miles N Coulee City WA

  • Tonight

    Tonight: Showers. Low around 47. West wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 11am. Mostly cloudy, with a high near 68. South wind 5 to 7 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 8 to 13 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 6 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of thunderstorms after 5pm. Sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Showers. Low around 47. West wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers before 11am. Mostly cloudy, with a high near 68. South wind 5 to 7 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 52. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 8 to 13 mph.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 6 to 8 mph.
Thursday
A chance of thunderstorms after 5pm. Sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 49. Breezy.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Coulee City WA
 47.74°N 119.32°W (Elev. 2398 ft)
Last Update:
9:51 pm PDT May 25, 2026
Forecast Valid:
11pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation