Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

64°F

18°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Jul 07:15 AM PDT
Extended Forecast for

4 Miles E Prosser WA

  • Today

    Today: Increasing clouds, with a high near 87. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 87 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. West wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 84. South wind 3 to 7 mph.

    High: 84 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Southwest wind around 6 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 90. West wind around 6 mph becoming calm  in the morning.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 87. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 58. West wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 84. South wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 55. Southwest wind around 6 mph becoming calm.
Monday
Mostly sunny, with a high near 90. West wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 93.
Wednesday Night
A slight chance of showers before 11pm. Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Prosser WA
 46.21°N 119.69°W (Elev. 1598 ft)
7:11 am PDT Jul 11, 2026
7am PDT Jul 11, 2026-6pm PDT Jul 17, 2026
 
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Additional Resources

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