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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

42°F

6°C

Humidity 95%
Wind Speed Calm
Barometer 29.80 in (1009.4 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Last update 18 Feb 11:55 pm EST
Extended Forecast for

Mount Vernon VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after 3pm. Patchy fog before 11am. High near 49. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. Northeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 59. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. Calm wind.
Thursday
Rain, mainly after 3pm. Patchy fog before 11am. High near 49. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 43. Northeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 59. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 41. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain and snow after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Sunday
Rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
9:53 pm EST Feb 18, 2026
Forecast Valid:
12am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation