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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

46°F

8°C

Humidity 47%
Wind Speed NW 15 G 24 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Nov 6:52 pm EST
Extended Forecast for

Great Falls VA

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Northwest wind 6 to 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 50. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 50 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 38. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 53. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 53 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northwest wind 5 to 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Northwest wind 6 to 9 mph.
Saturday
Increasing clouds, with a high near 50. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 38. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 53. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Clear, with a low around 32.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 33.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls VA
 39.01°N 77.32°W (Elev. 348 ft)
Last Update:
6:52 pm EST Nov 13, 2026
Forecast Valid:
7pm EST Nov 13, 2026-6pm EST Nov 20, 2026
 
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