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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.

Overcast

32°F

0°C

Humidity 97%
Wind Speed N 0 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Last update 17 Jan 04:35 AM PST
Extended Forecast for

5 Miles SSW Toppenish WA

Air Stagnation Advisory January 17, 04:57am until January 20, 04:00pm
Freezing Fog Advisory January 17, 04:57am until January 17, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 17, 04:57am until January 20, 04:00pm
    Freezing Fog Advisory January 17, 04:57am until January 17, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 33 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Tonight

    Tonight: Patchy fog before 7pm. Patchy freezing fog. Otherwise, cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog after 10am. Areas of freezing fog before 1pm. Otherwise, mostly cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Areas of fog before 7pm. Areas of freezing fog after 7pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Areas
    Freezing Fog
    and Areas Fog

  • M.L.King Day

    M.L.King Day: Patchy fog between 10am and 1pm. Areas of freezing fog before 1pm. Otherwise, partly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Monday Night

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

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog after 1pm. Areas of freezing fog. Otherwise, cloudy, with a high near 33. Calm wind.
Tonight
Patchy fog before 7pm. Patchy freezing fog. Otherwise, cloudy, with a low around 27. Calm wind.
Sunday
Patchy fog after 10am. Areas of freezing fog before 1pm. Otherwise, mostly cloudy, with a high near 38. Calm wind.
Sunday Night
Areas of fog before 7pm. Areas of freezing fog after 7pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.
M.L.King Day
Patchy fog between 10am and 1pm. Areas of freezing fog before 1pm. Otherwise, partly sunny, with a high near 39. Calm wind.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Snow level 1100 feet. Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Toppenish WA
 46.3°N 120.34°W (Elev. 778 ft)
Last Update:
4:20 am PST Jan 17, 2026
Forecast Valid:
4am PST Jan 17, 2026-6pm PST Jan 23, 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