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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 28°F (-2°C)
Visibility 0.75 mi
Last update 31 Dec 02:20 PM PST
Extended Forecast for

5 Miles W Kennewick WA

Air Stagnation Advisory December 31, 02:40pm until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 31, 02:40pm until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • This Afternoon

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Calm wind.

    Low: 27 °F

    Increasing
    Clouds

  • New Year's Day

    New Year's Day: A 20 percent chance of rain. Cloudy, with a high near 34. Calm wind.

    High: 34 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Calm wind.
Tonight
Increasing clouds, with a low around 27. Calm wind.
New Year's Day
A 20 percent chance of rain. Cloudy, with a high near 34. Calm wind.
Thursday Night
A 20 percent chance of rain. Cloudy, with a low around 31. Calm wind.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 44.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 49.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Partly sunny, with a high near 47.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Kennewick WA
 46.2°N 119.25°W (Elev. 597 ft)
Last Update:
2:30 pm PST Dec 31, 2025
Forecast Valid:
2pm PST Dec 31, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation