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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. 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 Thursday 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

30°F

-1°C

Humidity 100%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 12 Feb 02:37 AM PST
Extended Forecast for

Grand Coulee WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °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 35. Southeast wind 3 to 5 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Thursday
Partly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 34. 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 35. Southeast wind 3 to 5 mph.
Saturday
Mostly cloudy, with a high near 47.
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:
Grand Coulee WA
 47.95°N 118.99°W (Elev. 1627 ft)
Last Update:
2:57 am PST Feb 12, 2026
Forecast Valid:
3am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation