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

Tropical Storm Ophelia Approaching the Mid-Atlantic; Severe Weather and Heavy Rainfall Threats

Heavy rain, gusty winds, storm surge, high surf and rip currents that could be life threatening, will impact the Mid-Atlantic through this weekend. Meanwhile, strong to severe thunderstorms are expected to affect portions of the central U.S. including heavy to excessive rainfall through this weekend. For the Intermountain region, below normal temperatures and some snow for the higher elevations. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain

58°F

14°C

Humidity 87%
Wind Speed N 12 G 22 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 23 Sep 2:52 am EDT
Extended Forecast for

2 Miles ESE Great Falls VA

Wind Advisory September 23, 08:00am until September 23, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Rain. Low around 57. Northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    Low: 57 °F

  • Saturday

    Saturday: Rain. High near 62. Breezy, with a northeast wind 21 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    High: 62 °F

  • Saturday
    Night

    Saturday Night: Rain. Low around 59. Breezy, with a northeast wind 17 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Rain and
    Breezy

    Low: 59 °F

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 66. Northeast wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    High: 66 °F

  • Sunday
    Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 60. Northwest wind 8 to 10 mph. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 60 °F

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    Chance
    Showers

    High: 66 °F

  • Monday
    Night

    Monday Night: A chance of showers. Cloudy, with a low around 58. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 58 °F

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.

    Chance
    Showers

    High: 63 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 56 °F

Detailed Forecast

Overnight
Rain. Low around 57. Northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 62. Breezy, with a northeast wind 21 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 59. Breezy, with a northeast wind 17 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
Showers, mainly before 2pm. High near 66. Northeast wind 10 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Northwest wind 8 to 10 mph. Chance of precipitation is 40%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Monday Night
A chance of showers. Cloudy, with a low around 58. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles ESE Great Falls VA
 39°N 77.24°W (Elev. 318 ft)
Last Update:
1:54 am EDT Sep 23, 2023
Forecast Valid:
3am EDT Sep 23, 2023-6pm EDT Sep 29, 2023
 
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