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Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. 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

  • Overnight

    Overnight: Widespread frost after 5am. Otherwise, mostly clear, with a low around 30. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 8am. Otherwise, sunny, with a high near 54. Southwest wind around 6 mph.

    High: 54 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Southeast wind around 5 mph becoming north after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. West wind around 6 mph becoming northeast in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Northeast wind around 6 mph becoming west after midnight.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Widespread frost after 5am. Otherwise, mostly clear, with a low around 30. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Widespread frost before 8am. Otherwise, sunny, with a high near 54. Southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 31. Southeast wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 60. West wind around 6 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 38. Northeast wind around 6 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly cloudy, with a high near 59.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
Last Update:
11:50 pm PDT Mar 25, 2026
Forecast Valid:
12am PDT Mar 26, 2026-6pm PDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation