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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Rain Fog/Mist

61°F

16°C

Humidity 97%
Wind Speed NE 8 mph
Barometer 30.16 in (1021.8 mb)
Dewpoint 60°F (16°C)
Visibility 2.00 mi
Last update 11 Oct 6:56 am EDT
Extended Forecast for

Haymarket VA

  • Today

    Today: Showers, with thunderstorms also possible after 2pm. High near 70. East wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 61. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers then
    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 78. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 2pm. High near 70. East wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 61. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
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 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 59. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Haymarket VA
 38.8°N 77.64°W (Elev. 381 ft)
Last Update:
4:53 am EDT Oct 11, 2026
Forecast Valid:
7am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
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