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 80%
Wind Speed W 3 MPH
Barometer 30.52 in (1033.53 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Jan 02:00 PM PST
Extended Forecast for

Union Gap WA

Air Stagnation Advisory January 19, 02:22pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 02:22pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Mostly cloudy, with a high near 39. Calm wind.
Tonight
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Partly sunny, with a high near 39. Calm wind.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
Mostly sunny, with a high near 37. Calm wind.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.54°N 120.47°W (Elev. 997 ft)
2:06 pm PST Jan 19, 2026
2pm PST Jan 19, 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