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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

61°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in (1020.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Oct 11:56 pm EDT
Extended Forecast for

Washington Manassas Airport VA

  • Overnight

    Overnight: A chance of showers, mainly between 2am and 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 48. Northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a north wind 21 to 23 mph, with gusts as high as 34 mph.

    High: 56 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North wind 5 to 11 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °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 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly between 2am and 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 48. Northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a north wind 21 to 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 35. North wind 5 to 11 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Manassas Airport VA
 38.72°N 77.54°W (Elev. 207 ft)
Last Update:
10:53 pm EDT Oct 15, 2026
Forecast Valid:
12am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation