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

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Overcast

28°F

-2°C

Humidity 92%
Wind Speed NNW 5 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 20 Jan 04:15 AM PST
Extended Forecast for

6 Miles SW Electric City WA

Air Stagnation Advisory January 20, 04:36am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 04:36am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 38 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Friday Night

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

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 38. Southwest wind around 5 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 29. Calm wind.
Wednesday
Mostly sunny, with a high near 36. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind.
Thursday
Partly sunny, with a high near 37. Calm wind.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Electric City WA
 47.87°N 119.13°W (Elev. 1801 ft)
1:12 am PST Jan 20, 2026
4am 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