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.

drizzle

39°F

4°C

Humidity 96%
Wind Speed WSW 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 23 Feb 10:35 PM PST
Extended Forecast for

11 Miles SE Mattawa WA

  • Tonight

    Tonight: Rain before 4am, then rain likely, possibly mixed with snow. Low around 37. Light north wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain Likely
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow before 10am, then a chance of rain. Cloudy, with a high near 46. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 6 to 8 mph.

    Low: 34 °F

    Chance Rain
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Southwest wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • 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

Tonight
Rain before 4am, then rain likely, possibly mixed with snow. Low around 37. Light north wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain likely, possibly mixed with snow before 10am, then a chance of rain. Cloudy, with a high near 46. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 6 to 8 mph.
Wednesday
Sunny, with a high near 54. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 33. Southwest wind around 10 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, 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
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
Last Update:
9:16 pm PST Feb 23, 2026
Forecast Valid:
10pm PST Feb 23, 2026-6pm PST Mar 2, 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