Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

59°F

15°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 Oct 01:55 PM PDT
Extended Forecast for

4 Miles E Prosser WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Calm wind.
Tonight
Mostly cloudy, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 67. Calm wind.
Wednesday Night
Mostly clear, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A slight chance of showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Prosser WA
 46.21°N 119.69°W (Elev. 1598 ft)
12:51 pm PDT Oct 13, 2026
2pm PDT Oct 13, 2026-6pm PDT Oct 19, 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