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

Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1013.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Apr 11:55 pm EDT
Extended Forecast for

3 Miles SE Mount Vernon VA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Light west wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind around 6 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Light west wind.
Thursday
Sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.
Thursday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind around 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
Showers. Low around 50. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 71.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Tuesday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mount Vernon VA
 38.69°N 77.06°W (Elev. 144 ft)
Last Update:
10:53 pm EDT Apr 22, 2026
Forecast Valid:
12am EDT Apr 23, 2026-6pm EDT Apr 29, 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