Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

Lat: 47.3075°NLon: 119.51583°WElev: 1276.0ft.

Overcast

30°F

-1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 Jan 11:10 AM PST
Extended Forecast for

4 Miles WSW Coulee City WA

  • Today

    Today: Mostly cloudy, with a high near 34. Light north wind.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 25. North wind 3 to 5 mph.

    Low: 25 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 35. Light north wind.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North wind around 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. North wind around 8 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 34. Light north wind.
Tonight
Cloudy, with a low around 25. North wind 3 to 5 mph.
Thursday
Mostly cloudy, with a high near 35. Light north wind.
Thursday Night
Partly cloudy, with a low around 23. North wind around 7 mph.
Friday
Sunny, with a high near 35. North wind around 8 mph.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Coulee City WA
 47.58°N 119.37°W (Elev. 1519 ft)
8:52 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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