Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Overcast

43°F

6°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 24 Feb 12:15 PM PST
Extended Forecast for

Prosser WA

  • This Afternoon

    This Afternoon: Rain likely, possibly mixed with snow before 1pm, then a chance of rain.  Cloudy, with a high near 44. West wind 3 to 5 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 32. West wind 3 to 6 mph.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 52. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Southwest wind 7 to 9 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely, possibly mixed with snow before 1pm, then a chance of rain. Cloudy, with a high near 44. West wind 3 to 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 32. West wind 3 to 6 mph.
Wednesday
Sunny, with a high near 52. West wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 30. Southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 53. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 34.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 33.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
9:16 am PST Feb 24, 2026
12pm PST Feb 24, 2026-6pm PST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database