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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

22°F

-6°C

Humidity 40%
Wind Speed N 6 mph
Barometer 30.51 in (1034.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 20 Jan 9:56 pm EST
Extended Forecast for

3 Miles NE Casanova VA

  • Tonight

    Tonight: Clear, with a low around 13. Light and variable wind.

    Low: 13 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 26 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. West wind 6 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 19. Chance of precipitation is 50%.

    High: 19 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 12. Chance of precipitation is 80%.

    Low: 12 °F

    Snow

Detailed Forecast

Tonight
Clear, with a low around 13. Light and variable wind.
Wednesday
Sunny, with a high near 41. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 52. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 23. Calm wind.
Friday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Cloudy, with a high near 19. Chance of precipitation is 50%.
Saturday Night
Snow. Low around 12. Chance of precipitation is 80%.
Sunday
Snow, mainly before 1pm. High near 22. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

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 20, 2026
Forecast Valid:
10pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation