Showers and Thunderstorms for the East; Cooler Temperatures Return Sunday into Early Week

Showers and thunderstorms will accompany a cold front that will move across the eastern third of the country through Sunday. In the wake of this front, cooler temperatures will follow for most areas east of the Rockies. A wet pattern is expected to unfold across most of Florida this week with a persistent onshore flow and increase rip currents. For Hawaii, a return toward more rain the week ahead. 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

  • Today

    Today: Mostly cloudy, with a high near 73. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northeast wind around 5 mph becoming light and variable  in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. West wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 48. Northeast wind around 5 mph becoming light and variable in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 47. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 67. West wind 8 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
9:46 am PDT Apr 5, 2026
9am PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database