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

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

31°F

-1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 11 Feb 12:35 AM PST
Extended Forecast for

11 Miles SSW Mattawa WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 33. North wind around 11 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. North wind 7 to 10 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 41. West wind around 6 mph becoming south in the afternoon.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 33. North wind around 11 mph.
Wednesday
Sunny, with a high near 41. North wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind around 6 mph.
Thursday
Mostly cloudy, with a high near 41. West wind around 6 mph becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 31. Southwest wind 6 to 8 mph becoming northwest after midnight.
Friday
Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 39.
Saturday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 30.
Washington's Birthday
A slight chance of snow. Cloudy, with a high near 37.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A slight chance of snow. Partly sunny, with a high near 40.
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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:
9:15 pm PST Feb 10, 2026
Forecast Valid:
12am PST Feb 11, 2026-6pm PST Feb 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation