Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

58°F

14°C

Humidity 49%
Wind Speed WSW 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 07 Mar 07:15 PM PST
Extended Forecast for

Prosser WA

Wind Advisory March 8, 08:00am until March 8, 09:00pm
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 46. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Breezy, with a west wind 18 to 24 mph, with gusts as high as 32 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Snow level 4500 feet lowering to 1500 feet after midnight . Partly cloudy, with a low around 33. West wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51. West wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am.  Snow level 1500 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Snow level 1700 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 64. Breezy, with a west wind 18 to 24 mph, with gusts as high as 32 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Snow level 4500 feet lowering to 1500 feet after midnight . Partly cloudy, with a low around 33. West wind 10 to 17 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 51. West wind 9 to 15 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 29. West wind 9 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Snow level 1500 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain after 10am. Snow level 1700 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 56.
Wednesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
4:17 pm PST Mar 7, 2026
7pm PST Mar 7, 2026-6pm PDT Mar 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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