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

Cold Temperatures Continue in the Southeast; Snow in the Central Appalachians and Ohio Valley; Rain and Thunderstorms in the Southeast

Cold temperatures will persist across Florida and the Southeast through Tuesday, then milder conditions are expected beginning Wednesday. A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic Tuesday into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Overcast

39°F

4°C

Humidity 100%
Wind Speed NE 3 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 02 Feb 11:15 PM PST
Extended Forecast for

Coulee City WA

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 35. Northeast wind around 7 mph.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Northeast wind 6 to 8 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. North wind around 7 mph.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 35. North wind 6 to 8 mph.

    Low: 35 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 52.

    High: 52 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 48.

    High: 48 °F

    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 35.

    Low: 35 °F

    Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, cloudy, with a low around 35. Northeast wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 47. Northeast wind 6 to 8 mph.
Tuesday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. North wind around 7 mph.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 50. Northeast wind around 6 mph.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 35. North wind 6 to 8 mph.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Cloudy, with a high near 48.
Friday Night
Cloudy, with a low around 35.
Saturday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 46.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulee City WA
 47.63°N 119.29°W (Elev. 1568 ft)
Last Update:
8:56 pm PST Feb 2, 2026
Forecast Valid:
11pm PST Feb 2, 2026-6pm PST Feb 9, 2026
 
Forecast Discussion
 
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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