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

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 73. Northeast wind around 7 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming west in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Light west wind becoming south 5 to 9 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. West wind 11 to 18 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 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 73. Northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming west in the evening.
Monday
Mostly sunny, with a high near 80. Light west wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 48. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 67. West wind 11 to 18 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 39.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
1:46 pm PDT Apr 5, 2026
2pm 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