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A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

38°F

3°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 09 Feb 08:35 PM PST
Extended Forecast for

11 Miles SSW Mattawa WA

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 6 to 8 mph becoming east after midnight.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. North wind 8 to 10 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. North wind around 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. North wind 6 to 9 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Southwest wind around 6 mph becoming west in the evening.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West wind 6 to 8 mph becoming east after midnight.
Tuesday
Partly sunny, with a high near 38. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 30. North wind around 10 mph.
Wednesday
Sunny, with a high near 41. North wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 29. Southwest wind around 6 mph becoming west in the evening.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 40.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 40.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39.
Sunday Night
A slight chance of snow. Mostly clear, with a low around 28.
Washington's Birthday
A slight chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
Last Update:
8:31 pm PST Feb 9, 2026
Forecast Valid:
8pm PST Feb 9, 2026-6pm PST Feb 16, 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