Large Storm System for the Eastern U.S. as Pacific Northwest Remains Wet

A large storm system will impact the eastern U.S. over the next few days. Thunderstorms are forecast for the southeast and Mid-Atlantic regions through Friday. Heavy rain is likely from the Mid-Atlantic through New England Friday and Saturday, which may lead to urban and renewed river flooding. The Pacific Northwest will continue with more rainfall and possible flooding. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

65°F

18°C

Humidity 63%
Wind Speed E 12 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Oct 4:52 pm EDT
Extended Forecast for

Great Falls VA

Flood Watch October 29, 10:00am until October 29, 06:00pm
Coastal Flood Warning October 28, 06:00pm until October 30, 08:00am
Click here for hazard details and duration
Flood Watch
Coastal Flood Warning
  • Tonight

    Tonight: Showers likely, mainly after 2am.  Cloudy, with a low around 54. East wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers then
    Showers
    Likely

    Low: 54 °F

  • Friday

    Friday: Showers before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers after 5pm.  High near 60. East wind 15 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Showers

    High: 60 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 52. East wind 7 to 13 mph.  Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    Low: 52 °F

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 61. South wind around 7 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 61 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers.  Mostly cloudy, with a low around 50. Light south wind.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 50 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    Mostly Sunny

    High: 62 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 47.

    Mostly Clear

    Low: 47 °F

  • Monday

    Monday: Sunny, with a high near 62.

    Sunny

    High: 62 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 44.

    Partly Cloudy

    Low: 44 °F

Detailed Forecast

Tonight
Showers likely, mainly after 2am. Cloudy, with a low around 54. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers after 5pm. High near 60. East wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. East wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers. Mostly cloudy, with a high near 61. South wind around 7 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Light south wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
4:33 pm EDT Oct 28, 2021
5pm EDT Oct 28, 2021-6pm EDT Nov 4, 2021
 
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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