Back-to-Back Storms for the Center of the Nation

These storm systems will bring late season snow, sleet and ice for portions of the northern Plains, upper Midwest and Great Lakes region. Meanwhile, where temperatures are warmer, severe thunderstorms are expected for areas of the Mississippi Valley into the southern Plains. Furthermore, combination of windy and dry conditions will raise fire weather concerns for the southern High Plains. 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

  • Today

    Today: A 20 percent chance of rain after 11am.  Mostly sunny, with a high near 57. West wind around 14 mph, with gusts as high as 22 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

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

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind around 6 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 57. West wind around 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 33. West wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 62. Southwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 38. South wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 68. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
10:16 am PDT Apr 2, 2026
10am PDT Apr 2, 2026-6pm PDT Apr 8, 2026
 
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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