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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

45°F

7°C

Humidity 56%
Wind Speed Calm
Barometer 30.21 in (1023.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Nov 8:52 am EST
Extended Forecast for

Great Falls VA

  • Today

    Today: Increasing clouds, with a high near 57. West wind 6 to 8 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Chance Rain

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 10 to 18 mph, with gusts as high as 33 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 57. West wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 41. Calm wind.
Saturday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 60. Northwest wind 10 to 18 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
Last Update:
6:53 am EST Nov 14, 2025
Forecast Valid:
9am EST Nov 14, 2025-6pm EST Nov 20, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation