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

10°F

-12°C

Humidity 84%
Wind Speed Calm
Barometer 30.54 in (1035.1 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 21 Jan 12:56 am EST
Extended Forecast for

3 Miles SSE Catharpin VA

  • Overnight

    Overnight: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 28 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 8 to 11 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 40%.

    High: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 13. Chance of precipitation is 80%.

    Low: 13 °F

    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 13. Calm wind.
Wednesday
Mostly sunny, with a high near 40. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 8 to 11 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 13. Chance of precipitation is 80%.
Sunday
Snow. High near 20. Chance of precipitation is 90%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Catharpin VA
 38.81°N 77.55°W (Elev. 253 ft)
Last Update:
12:52 am EST Jan 21, 2026
Forecast Valid:
1am EST Jan 21, 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