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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Light Rain

61°F

16°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.85 in (1011.3 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 11 Oct 5:56 pm EDT
Extended Forecast for

The Plains VA

Flood Watch October 11, 06:33pm until October 12, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch October 11, 06:33pm until October 12, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • Tonight

    Low: 60 °F

    Showers

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. South wind 5 to 7 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 60. Northeast wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Partly sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. South wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
The Plains VA
 38.85°N 77.78°W (Elev. 600 ft)
Last Update:
4:54 pm EDT Oct 11, 2026
Forecast Valid:
6pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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