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Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. 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 31. Southeast wind around 5 mph becoming north after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. Light and variable wind becoming northeast around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Northeast wind around 6 mph becoming west in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 11pm. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Southeast wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 61. Light and variable wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 40. Northeast wind around 6 mph becoming west in the evening.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. West wind around 7 mph.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 61.
Monday Night
A 30 percent chance of rain, mainly after 11pm. Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Partly sunny, with a high near 58.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly sunny, with a high near 60.
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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:
4:15 pm PDT Mar 26, 2026
Forecast Valid:
7pm PDT Mar 26, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation