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

Cold Temperatures Continue in the Southeast; Snow in the Central Appalachians and Ohio Valley; Rain and Thunderstorms in the Southeast

Cold temperatures will persist across Florida and the Southeast through Tuesday, then milder conditions are expected beginning Wednesday. A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic Tuesday into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Fog

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 03 Feb 05:35 AM PST
Extended Forecast for

Prosser WA

  • Today

    Today: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 49. Light west wind.

    High: 49 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 49. Light west wind.
Tonight
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 50. Calm wind.
Wednesday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. Light north wind.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36.
Monday
A slight chance of rain. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
Last Update:
4:20 am PST Feb 3, 2026
Forecast Valid:
5am PST Feb 3, 2026-6pm PST Feb 9, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation