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

Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

46°F

8°C

Humidity 70%
Wind Speed SE 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Feb 03:35 PM PST
Extended Forecast for

2 Miles SSW Wallula WA

  • Tonight

    Tonight: Mostly clear, with a low around 37. Light and variable wind becoming southwest around 5 mph after midnight.

    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

Tonight
Mostly clear, with a low around 37. Light and variable wind becoming southwest around 5 mph after midnight.
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:
2 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
Last Update:
3:20 pm PST Feb 11, 2026
Forecast Valid:
3pm PST Feb 11, 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