National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

31°F

-1°C

Humidity 20%
Wind Speed W 10 mph
Barometer 30.38 in (1029.0 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 20 Jan 2:52 pm EST
Extended Forecast for

4 Miles E The Plains VA

  • Tonight

    Tonight: Mostly clear, with a low around 14. Northwest wind around 6 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Northwest wind 3 to 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow

  • Friday Night

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

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 17. Chance of precipitation is 40%.

    High: 17 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 13. Chance of precipitation is 80%.

    Low: 13 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 39. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 30. South wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 25. Northwest wind 3 to 5 mph.
Friday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Cloudy, with a high near 17. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 13. Chance of precipitation is 80%.
Sunday
Snow, mainly before 1pm. High near 19. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E The Plains VA
 38.87°N 77.69°W (Elev. 682 ft)
Last Update:
12:53 pm EST Jan 20, 2026
Forecast Valid:
3pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation