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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Mist

33°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 33°F (1°C)
Visibility 2.00 mi
Last update 16 Jan 07:15 AM PST
Extended Forecast for

11 Miles SSW Mattawa WA

Air Stagnation Advisory January 16, 07:23am until January 20, 04:00pm
Freezing Fog Advisory January 16, 07:23am until January 16, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 16, 07:23am until January 20, 04:00pm
    Freezing Fog Advisory January 16, 07:23am until January 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 35. Northeast wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northeast wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 35. North wind around 7 mph.
Tonight
Mostly clear, with a low around 28. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 35. Northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 35. Northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 26.
M.L.King Day
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 38.
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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:
5:15 am PST Jan 16, 2026
Forecast Valid:
7am PST Jan 16, 2026-6pm PST Jan 22, 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