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/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

48°F

9°C

Humidity 46%
Wind Speed NW 18 G 31 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 26 Nov 9:52 pm EST
Extended Forecast for

2 Miles NNW Great Falls VA

  • Tonight

    Tonight: Increasing clouds, with a low around 36. West wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Increasing
    Clouds

  • 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 31 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. West wind 11 to 17 mph, with gusts as high as 37 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. West wind 9 to 11 mph, with gusts as high as 24 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 31 mph.
Thursday Night
Mostly clear, with a low around 29. West wind around 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 40. West wind 11 to 17 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 26. West wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 43.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
Last Update:
9:53 pm EST Nov 26, 2025
Forecast Valid:
10pm EST Nov 26, 2025-6pm EST Dec 3, 2025
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation