Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

33°F

1°C

Humidity 90%
Wind Speed NE 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 05 Mar 03:35 AM PST
Extended Forecast for

Prosser WA

  • Overnight

    Overnight: Mostly clear, with a low around 37. Southwest wind around 8 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56. West wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 36. South wind 5 to 8 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 59. Southwest wind 5 to 7 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 43. Southwest wind around 6 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 56. West wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Increasing clouds, with a low around 36. South wind 5 to 8 mph.
Friday
Mostly cloudy, with a high near 59. Southwest wind 5 to 7 mph.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43. Southwest wind around 6 mph.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 31.
Tuesday
A slight chance of rain and snow. Snow level rising to 1400 feet in the afternoon. Partly sunny, with a high near 50.
Tuesday Night
A slight chance of rain and snow. Snow level 1400 feet. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Snow level 1500 feet rising to 3000 feet in the afternoon. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
3:17 am PST Mar 5, 2026
3am PST Mar 5, 2026-6pm PDT Mar 11, 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