National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Rain

38°F

3°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 23 Feb 11:55 PM PST
Extended Forecast for

Prosser WA

  • Overnight

    Overnight: Rain likely before 1am, then rain, possibly mixed with snow. Low around 38. Light and variable wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow before 1pm, then a chance of rain. High near 45. West wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 6 to 9 mph.

    Low: 33 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 52. Southwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely before 1am, then rain, possibly mixed with snow. Low around 38. Light and variable wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow before 1pm, then a chance of rain. High near 45. West wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
A 40 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 6 to 9 mph.
Wednesday
Sunny, with a high near 52. Southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 32. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
Last Update:
9:16 pm PST Feb 23, 2026
Forecast Valid:
12am PST Feb 24, 2026-6pm PST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation