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

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

40°F

4°C

Humidity 81%
Wind Speed NE 13 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 12 Feb 11:37 AM PST
Extended Forecast for

Coulee Dam WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 48. South wind around 6 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A slight chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. South wind around 6 mph.
Tonight
Increasing clouds, with a low around 35. Calm wind.
Friday
Mostly cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36. Light southeast wind.
Saturday
Mostly cloudy, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32.
Washington's Birthday
A slight chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 20%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coulee Dam WA
 47.95°N 118.96°W (Elev. 1647 ft)
Last Update:
10:30 am PST Feb 12, 2026
Forecast Valid:
12pm PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Chance of Precipitation