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

Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. 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 Monday into Wednesday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

44°F

7°C

Humidity 60%
Wind Speed N 7 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 24 Nov 6:52 am EST
Extended Forecast for

Reston VA

  • Today

    Today: Sunny, with a high near 56. West wind around 6 mph becoming calm in the afternoon.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 1pm. High near 56. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 50. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 68. South wind 6 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.

    Low: 36 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 56. West wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly cloudy, with a low around 40. South wind 3 to 6 mph.
Tuesday
Rain, mainly after 1pm. High near 56. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 50. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain. Partly sunny, with a high near 68. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 36.
Thanksgiving Day
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.94°N 77.33°W (Elev. 390 ft)
Last Update:
6:53 am EST Nov 24, 2025
Forecast Valid:
7am EST Nov 24, 2025-6pm EST Nov 30, 2025
 
Forecast Discussion
 
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Additional Resources

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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