Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

Lat: 46.56402°NLon: 120.53484°WElev: 1043.0ft.

Overcast

28°F

-2°C

Humidity 86%
Wind Speed WSW 6 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 20 Jan 07:30 AM PST
Extended Forecast for

11 Miles WSW Mattawa WA

Air Stagnation Advisory January 20, 07:47am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 07:47am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 27. North wind 3 to 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 29. Northwest wind around 5 mph becoming light and variable  in the afternoon.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Northwest wind 3 to 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. Light north wind.

    High: 30 °F

    Partly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 30. Northeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a steady temperature around 27. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 29. Northwest wind around 5 mph becoming light and variable in the afternoon.
Wednesday Night
Partly cloudy, with a low around 24. Northwest wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 30. Light north wind.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 35.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Mattawa WA
 46.67°N 120.13°W (Elev. 3330 ft)
5:07 am PST Jan 20, 2026
7am PST Jan 20, 2026-6pm PST Jan 26, 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