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 N 0 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 19 Jan 12:55 AM PST
Extended Forecast for

13 Miles E Mansfield WA

Air Stagnation Advisory January 19, 01:24am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 01:24am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 22 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 3pm.  Otherwise, partly sunny, with a high near 34. Calm wind becoming south around 6 mph in the afternoon.

    High: 34 °F

    Areas Dense
    Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. South wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 36. North wind around 6 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. North wind 3 to 5 mph.

    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 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Light south wind.
M.L.King Day
Areas of dense fog before 3pm. Otherwise, partly sunny, with a high near 34. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 24. South wind around 6 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 36. North wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 22. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Mansfield WA
 47.82°N 119.37°W (Elev. 2198 ft)
1:13 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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