Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Partly Cloudy

54°F

12°C

Humidity 68%
Wind Speed SSE 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 01 Feb 02:15 PM PST
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain between 10am and 1pm.  Mostly cloudy, with a high near 50. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. North wind 3 to 6 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Northwest wind 3 to 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. South wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
A slight chance of rain between 10am and 1pm. Mostly cloudy, with a high near 50. South wind 3 to 6 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 34. Light and variable wind.
Tuesday
Partly sunny, with a high near 50. North wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Northwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
2:30 pm PST Feb 1, 2026
3pm PST Feb 1, 2026-6pm PST Feb 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database