Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern 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

  • Tonight

    Tonight: 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 70. Light and variable wind becoming northeast around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming light and variable  after midnight.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming northwest after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 70. Light and variable wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 74. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
3:53 pm PDT Apr 3, 2026
4pm PDT Apr 3, 2026-6pm PDT Apr 10, 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