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.

Overcast

39°F

4°C

Humidity 39%
Wind Speed S 6 mph
Barometer 30.13 in (1021.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Jan 10:56 pm EST
Extended Forecast for

3 Miles NE Casanova VA

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. North wind around 11 mph, with gusts as high as 22 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 13. Chance of precipitation is 90%.

    Low: 13 °F

    Snow

  • Sunday

    Sunday: Snow. High near 22. Chance of precipitation is 90%.

    High: 22 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 25. Calm wind.
Friday
Mostly cloudy, with a high near 44. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 11. North wind around 11 mph, with gusts as high as 22 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 13. Chance of precipitation is 90%.
Sunday
Snow. High near 22. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Casanova VA
 38.66°N 77.61°W (Elev. 249 ft)
Last Update:
9:53 pm EST Jan 21, 2026
Forecast Valid:
11pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation