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 >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

17°F

-8°C

Humidity 41%
Wind Speed NW 5 mph
Barometer 30.36 in (1028.4 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 20 Jan 6:52 am EST
Extended Forecast for

4 Miles ENE The Plains VA

  • Today

    Today: Sunny, with a high near 27. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 13. North wind around 5 mph becoming calm  in the evening.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. South wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow.  Mostly cloudy, with a high near 18. Chance of precipitation is 40%.

    High: 18 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 27. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 13. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 38. South wind 6 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 29. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 9. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE The Plains VA
 38.89°N 77.71°W (Elev. 758 ft)
6:53 am EST Jan 20, 2026
7am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database