Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

49°F

9°C

Humidity 46%
Wind Speed Calm
Barometer 30.24 in (1024.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 24 Nov 4:52 pm EST
Extended Forecast for

Great Falls VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 3pm.  High near 57. South wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Slight Chance
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 51. South wind 6 to 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 68. South wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.
Tuesday
Rain, mainly after 3pm. High near 57. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain. Partly sunny, with a high near 68. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 36. West wind 9 to 13 mph, with gusts as high as 22 mph.
Thanksgiving Day
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
3:52 pm EST Nov 24, 2025
5pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
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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