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 >

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

33°F

1°C

Humidity 40%
Wind Speed S 5 mph
Barometer 30.22 in (1024.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 21 Jan 6:56 pm EST
Extended Forecast for

3 Miles SSE Catharpin VA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind around 10 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Southwest wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. North wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after 1pm. Cloudy, with a high near 20. Chance of precipitation is 40%.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 14. Chance of precipitation is 90%.

    Low: 14 °F

    Snow

  • Sunday

    Sunday: Snow. High near 21. Chance of precipitation is 90%.

    High: 21 °F

    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind around 10 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 52. Southwest wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 43. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 11. North wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
A chance of snow, mainly after 1pm. Cloudy, with a high near 20. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 14. Chance of precipitation is 90%.
Sunday
Snow. High near 21. Chance of precipitation is 90%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Catharpin VA
 38.81°N 77.55°W (Elev. 253 ft)
Last Update:
6:53 pm EST Jan 21, 2026
Forecast Valid:
7pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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Additional Resources

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Chance of Precipitation