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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

43°F

6°C

Humidity 37%
Wind Speed S 7 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 22 Jan 1:55 am EST
Extended Forecast for

Fairfax Station VA

Winter Storm Watch January 24, 07:00pm until January 26, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Mostly clear, with a low around 34. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. North wind around 15 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 20%.

    High: 20 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 14. Chance of precipitation is 100%.

    Low: 14 °F

    Heavy Snow

  • Sunday

    Sunday: Snow and sleet. High near 23. Chance of precipitation is 100%.

    High: 23 °F

    Snow/Sleet

  • Sunday Night

    Sunday Night: Snow, freezing rain, and sleet likely before 1am, then a chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.

    Low: 15 °F

    Wintry Mix
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 44. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 10. North wind around 15 mph, with gusts as high as 28 mph.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 20%.
Saturday Night
Snow. The snow could be heavy at times. Low around 14. Chance of precipitation is 100%.
Sunday
Snow and sleet. High near 23. Chance of precipitation is 100%.
Sunday Night
Snow, freezing rain, and sleet likely before 1am, then a chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 29.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax Station VA
 38.81°N 77.33°W (Elev. 387 ft)
Last Update:
12:53 am EST Jan 22, 2026
Forecast Valid:
2am EST Jan 22, 2026-6pm EST Jan 28, 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