Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

42°F

6°C

Humidity 67%
Wind Speed S 10 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 07 Jan 04:55 PM PST
Extended Forecast for

3 Miles S Sunnyside WA

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind around 8 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Southwest wind around 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 49. South wind around 5 mph.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Sunday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. West wind around 8 mph.
Thursday
Mostly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 32. Southwest wind around 7 mph.
Friday
Mostly cloudy, with a high near 49. South wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 29. Calm wind.
Saturday
Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 48.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Sunnyside WA
 46.28°N 120.02°W (Elev. 702 ft)
3:20 pm PST Jan 7, 2026
5pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
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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