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

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

34°F

1°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 11 Feb 08:15 PM PST
Extended Forecast for

5 Miles SSW Toppenish WA

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 48. Calm wind.

    High: 48 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 31. Light west wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 48. Light and variable wind.

    High: 48 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. West wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. Calm wind.
Thursday
Increasing clouds, with a high near 48. Calm wind.
Thursday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 31. Light west wind.
Friday
Mostly cloudy, with a high near 48. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 34. West wind 3 to 5 mph.
Saturday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.
Sunday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 31.
Washington's Birthday
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Partly sunny, with a high near 45.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Tuesday Night
A slight chance of rain and snow. Snow level 1900 feet. Partly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Snow level 1300 feet rising to 2100 feet in the afternoon. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Toppenish WA
 46.3°N 120.34°W (Elev. 778 ft)
Last Update:
3:20 pm PST Feb 11, 2026
Forecast Valid:
8pm PST Feb 11, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Chance of Precipitation