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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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Light Rain

62°F

17°C

Humidity 90%
Wind Speed Calm
Barometer 30.12 in (1020.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 15 Oct 8:55 pm EDT
Extended Forecast for

Mount Vernon VA

  • Tonight

    Tonight: A chance of showers, mainly before midnight. Patchy fog after 5am. Otherwise, cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers then
    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers between 7am and 8am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 84. Southwest wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Increasing clouds, with a low around 50. Northwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a north wind around 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 39. North wind 6 to 11 mph.

    Low: 39 °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 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before midnight. Patchy fog after 5am. Otherwise, cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 50%.
Friday
A chance of showers between 7am and 8am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 84. Southwest wind 8 to 11 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 50. Northwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter 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 around 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 39. North wind 6 to 11 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
Last Update:
7:53 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
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Additional Resources

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Chance of Precipitation