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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

27°F

-3°C

Humidity 92%
Wind Speed N 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 25°F (-4°C)
Visibility 6.00 mi
Last update 01 Jan 05:20 AM PST
Extended Forecast for

10 Miles NE Pasco WA

Freezing Fog Advisory until January 1, 12:00pm
Air Stagnation Advisory January 1, 05:34am until January 1, 12:00pm
Winter Weather Advisory January 1, 10:00am until January 1, 04:00pm
Click here for hazard details and duration
Freezing Fog Advisory
Air Stagnation Advisory
Winter Weather Advisory
  •  
    Freezing Fog Advisory until January 1, 12:00pm
    Air Stagnation Advisory January 1, 05:34am until January 1, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 25 °F

    Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of rain. Snow level 1600 feet rising to 4600 feet in the afternoon. Cloudy, with a high near 32. Calm wind.

    High: 32 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.

    High: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34. North wind 3 to 5 mph.

    Low: 34 °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 36.

    Low: 36 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Cloudy, with a low around 25. Calm wind.
New Year's Day
A 20 percent chance of rain. Snow level 1600 feet rising to 4600 feet in the afternoon. Cloudy, with a high near 32. Calm wind.
Thursday Night
A 20 percent chance of rain. Cloudy, with a low around 30. Calm wind.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34. North wind 3 to 5 mph.
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 36.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 50.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly cloudy, with a high near 47.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Partly sunny, with a high near 46.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Pasco WA
 46.35°N 118.95°W (Elev. 643 ft)
Last Update:
5:16 am PST Jan 1, 2026
Forecast Valid:
5am PST Jan 1, 2026-6pm PST Jan 7, 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