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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

  • Overnight

    Overnight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind 3 to 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

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

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Calm wind.
Friday
Mostly sunny, with a high near 61. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 38. Light and variable wind.
Saturday
Partly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. West wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 57.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
Last Update:
3:46 am PDT Mar 27, 2026
Forecast Valid:
3am PDT Mar 27, 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