National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.86 in (1011.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 20 Sep 7:55 pm EDT
Extended Forecast for

2 Miles SSW Mantua VA

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Mostly cloudy, with a low around 65. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    Showers

  • Monday

    Monday: A chance of showers, mainly between 1pm and 5pm. Mostly cloudy, with a high near 75. Northeast wind around 7 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 61. Northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 67. Northeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Mostly cloudy, with a low around 65. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Monday
A chance of showers, mainly between 1pm and 5pm. Mostly cloudy, with a high near 75. Northeast wind around 7 mph. Chance of precipitation is 30%.
Monday Night
Showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 61. Northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 67. Northeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely. Cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A slight chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A slight chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Mantua VA
 38.82°N 77.27°W (Elev. 299 ft)
Last Update:
7:53 pm EDT Sep 20, 2026
Forecast Valid:
8pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation