Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 58. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 58 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. South wind around 6 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 58. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 62. South wind around 6 mph.
Friday Night
Mostly clear, with a low around 38. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
4:15 pm PDT Apr 1, 2026
8pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database