Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

38°F

3°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 30 Dec 02:15 PM PST
Extended Forecast for

7 Miles W Benton City WA

Air Stagnation Advisory December 30, 02:38pm until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 30, 02:38pm until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • This Afternoon

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 24. Calm wind.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

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

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy freezing fog after 1am. Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear
    then Patchy
    Freezing Fog

  • New Year's Day

    New Year's Day: A chance of rain and snow after 4pm.  Snow level 1500 feet rising to 3500 feet in the afternoon. Mostly cloudy, with a high near 34. Light north wind.  Chance of precipitation is 30%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain, snow, and freezing rain before 10pm, then a chance of freezing rain between 10pm and 1am, then a chance of rain or freezing rain after 1am.  Cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Wintry
    Mix

  • Friday

    Friday: A chance of rain or freezing rain before 10am, then a chance of rain.  Cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 37. West wind around 5 mph.
Tonight
Increasing clouds, with a low around 24. Calm wind.
Wednesday
Partly sunny, with a high near 34. Light and variable wind.
Wednesday Night
Patchy freezing fog after 1am. Partly cloudy, with a low around 23. Calm wind.
New Year's Day
A chance of rain and snow after 4pm. Snow level 1500 feet rising to 3500 feet in the afternoon. Mostly cloudy, with a high near 34. Light north wind. Chance of precipitation is 30%.
Thursday Night
A chance of rain, snow, and freezing rain before 10pm, then a chance of freezing rain between 10pm and 1am, then a chance of rain or freezing rain after 1am. Cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
A chance of rain or freezing rain before 10am, then a chance of rain. Cloudy, with a high near 37. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
A 40 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 44.
Saturday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Mostly cloudy, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Benton City WA
 46.26°N 119.64°W (Elev. 814 ft)
2:31 pm PST Dec 30, 2025
2pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database