Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

48°F

9°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.64 in (1004.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Feb 11:55 am EST
Extended Forecast for

Mount Vernon VA

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 58. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 41. West wind 6 to 8 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 54. Northwest wind 3 to 6 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am, mixing with snow after 4am.  Mostly cloudy, with a low around 36. Calm wind.  Chance of precipitation is 40%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm.  High near 42. Calm wind becoming north 5 to 7 mph in the morning.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm.  Low around 33. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: A chance of snow before 1pm.  Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 58. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 41. West wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 54. Northwest wind 3 to 6 mph.
Saturday Night
A chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%.
Sunday
Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. High near 42. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 10pm. Low around 33. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
9:53 am EST Feb 20, 2026
12pm EST Feb 20, 2026-6pm EST Feb 26, 2026
 
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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