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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.

Overcast

62°F

17°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Oct 12:55 am EDT
Extended Forecast for

Merrifield VA

  • Overnight

    Overnight: A slight chance of showers. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 9 to 11 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before 3am, then showers likely. Low around 49. Northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind around 23 mph, with gusts as high as 34 mph.

    High: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North wind 5 to 11 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 20%.
Friday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 9 to 11 mph.
Friday Night
Showers and thunderstorms before 3am, then showers likely. Low around 49. Northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. 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 54. Breezy, with a north wind around 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 37. North wind 5 to 11 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrifield VA
 38.86°N 77.23°W (Elev. 348 ft)
Last Update:
10:53 pm EDT Oct 15, 2026
Forecast Valid:
1am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation