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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

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

Clear

26°F

-3°C

Humidity 95%
Wind Speed NNE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Feb 07:53 AM PST
Extended Forecast for

5 Miles S Coulee City WA

  • Today

    Today: Partly sunny, with a high near 45. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 42. Southeast wind 3 to 6 mph.

    High: 42 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Southeast wind 3 to 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 45. Southwest wind 5 to 7 mph.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A slight chance of snow between 10am and 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 45. Light and variable wind becoming south around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 30. Calm wind.
Friday
Mostly cloudy, with a high near 42. Southeast wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 31. Southeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 45. Southwest wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 29.
Washington's Birthday
A slight chance of snow between 10am and 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Coulee City WA
 47.53°N 119.29°W (Elev. 1519 ft)
Last Update:
2:57 am PST Feb 12, 2026
Forecast Valid:
8am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Chance of Precipitation