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Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

35°F

2°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Feb 08:55 PM PST
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 49. Northwest wind around 5 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Light southwest wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. West wind around 7 mph.
Wednesday
Sunny, with a high near 49. Northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 31. Light southwest wind.
Thursday
Mostly cloudy, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 32. Light and variable wind.
Friday
Mostly cloudy, with a high near 49.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain after 10am. Cloudy, with a high near 47.
Saturday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow before 10am. Partly sunny, with a high near 47.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32.
Washington's Birthday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Tuesday
A slight chance of rain and snow. Snow level 1900 feet. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
Last Update:
9:07 pm PST Feb 10, 2026
Forecast Valid:
9pm PST Feb 10, 2026-6pm PST Feb 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation