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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

23°F

-5°C

Humidity 92%
Wind Speed NE 3 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Dec 12:20 AM PST
Extended Forecast for

7 Miles SSW Richland WA

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

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Light and variable wind becoming north around 5 mph in the morning.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Light north wind.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of rain and snow after 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Light northwest wind.
Tuesday
Mostly sunny, with a high near 39. Light and variable wind becoming north around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 25. Calm wind.
Wednesday
Partly sunny, with a high near 34. Light north wind.
Wednesday Night
Mostly cloudy, with a low around 27. Calm wind.
New Year's Day
A slight chance of rain and snow after 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 30.
Friday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 41.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 44.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Sunday
A slight chance of rain. Partly sunny, with a high near 45.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Richland WA
 46.19°N 119.34°W (Elev. 741 ft)
Last Update:
9:17 pm PST Dec 29, 2025
Forecast Valid:
12am PST Dec 30, 2025-6pm PST Jan 5, 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