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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Partly Cloudy

41°F

5°C

Humidity 70%
Wind Speed WSW 19 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 27 Dec 01:20 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind around 32 mph, with gusts as high as 39 mph.

    Low: 37 °F

    Slight Chance
    Rain and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Southwest wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 31. East wind around 5 mph becoming light and variable after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. North wind 3 to 5 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Light north wind.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 33.

    High: 33 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind around 32 mph, with gusts as high as 39 mph.
Saturday
Mostly sunny, with a high near 41. Southwest wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 31. East wind around 5 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 36. North wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 28. Light north wind.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 31.
New Year's Day
A slight chance of rain. Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 44.
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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:
1:30 am PST Dec 27, 2025
Forecast Valid:
1am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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Chance of Precipitation