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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow and gusty winds, including some local blizzard conditions, will continue into Thanksgiving Day across the Great Lakes then lingering through Friday night for Lakes Erie and Ontario. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

59°F

15°C

Humidity 54%
Wind Speed NW 9 G 22 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 26 Nov 7:52 pm EST
Extended Forecast for

Mc Lean VA

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 33 mph.

    Low: 37 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 9 to 13 mph, with gusts as high as 30 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. West wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41. West wind 11 to 17 mph, with gusts as high as 37 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 33 mph.
Thanksgiving Day
Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 9 to 13 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 29. West wind 8 to 10 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 41. West wind 11 to 17 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 27. West wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Tuesday
Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
6:53 pm EST Nov 26, 2025
Forecast Valid:
8pm EST Nov 26, 2025-6pm EST Dec 3, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation