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

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Last update 12 Feb 12:20 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

  • Overnight

    Overnight: Mostly clear, with a low around 37. Southwest wind 3 to 5 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 50. Southwest wind 5 to 7 mph.

    High: 50 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 39. South wind 7 to 9 mph.

    Low: 39 °F

    Gradual
    Clearing

  • Friday

    Friday: Mostly cloudy, with a high near 50. West wind around 9 mph.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain. Cloudy, with a low around 43. South wind around 8 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Southwest wind 3 to 5 mph.
Thursday
Increasing clouds, with a high near 50. Southwest wind 5 to 7 mph.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 39. South wind 7 to 9 mph.
Friday
Mostly cloudy, with a high near 50. West wind around 9 mph.
Friday Night
A 20 percent chance of rain. Cloudy, with a low around 43. South wind around 8 mph.
Saturday
A 30 percent chance of rain, mainly after 10am. Cloudy, with a high near 49.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 41.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 38.
Washington's Birthday
A slight chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
Last Update:
9:15 pm PST Feb 11, 2026
Forecast Valid:
12am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation