Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

78°F

26°C

Humidity 67%
Wind Speed NW 7 mph
Barometer 29.64 in (1003.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Jul 8:55 am EDT
Extended Forecast for

Franconia VA

  • Today

    Today: Sunny, with a high near 85. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Northwest wind around 9 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Northwest wind 3 to 6 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Northwest wind around 5 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 68. Northwest wind around 9 mph.
Thursday
Sunny, with a high near 85. Northwest wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 68. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 88. Northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Partly sunny, with a high near 88.
Saturday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.16°W (Elev. 197 ft)
7:53 am EDT Jul 29, 2026
9am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
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