Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Overcast

30°F

-1°C

Humidity 86%
Wind Speed W 3 MPH
Barometer 30.58 in (1035.56 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Jan 11:30 PM PST
Extended Forecast for

9 Miles S White Swan WA

Air Stagnation Advisory January 18, 11:59pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 11:59pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Light west wind.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Light north wind.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 26. Light east wind.
M.L.King Day
Mostly sunny, with a high near 39. Light and variable wind.
Monday Night
Mostly clear, with a low around 24. Light west wind.
Tuesday
Mostly sunny, with a high near 38. Light north wind.
Tuesday Night
Partly cloudy, with a low around 22. Calm wind.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A chance of snow, mainly before 4pm. Mostly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow. Partly sunny, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S White Swan WA
 46.25°N 120.76°W (Elev. 3802 ft)
9:15 pm PST Jan 18, 2026
11pm PST Jan 18, 2026-6pm PST Jan 25, 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