Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

73°F

23°C

Humidity 82%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 26 Aug 10:55 pm EDT
Extended Forecast for

Franconia VA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 71. South wind around 7 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe.  Mostly sunny, with a high near 89. South wind 6 to 9 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Some of the storms could be severe.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 69 °F

    Severe
    Thunderstorms
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 87. Northwest wind 3 to 5 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 89. South wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 87. Northwest wind 3 to 5 mph.
Friday Night
Mostly cloudy, with a low around 69. Calm wind.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.16°W (Elev. 197 ft)
10:51 pm EDT Aug 26, 2026
11pm EDT Aug 26, 2026-6pm EDT Sep 2, 2026
 
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