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 80%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Jan 12:35 AM PST
Extended Forecast for

9 Miles SW Coulee City WA

  • Overnight

    Overnight: Cloudy, with a low around 24. Northwest wind 3 to 5 mph.

    Low: 24 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 34. North wind around 5 mph becoming calm  in the morning.

    High: 34 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. North wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. North wind around 5 mph becoming calm  in the morning.

    High: 34 °F

    Partly Sunny

  • 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 36.

    High: 36 °F

    Sunny

  • Friday Night

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

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 24. Northwest wind 3 to 5 mph.
Wednesday
Cloudy, with a high near 34. North wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 24. North wind around 6 mph.
Thursday
Partly sunny, with a high near 34. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 23. North wind around 7 mph.
Friday
Sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Coulee City WA
 47.53°N 119.45°W (Elev. 1552 ft)
8:47 pm PST Jan 20, 2026
12am 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