Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

35°F

2°C

Humidity 35%
Wind Speed N 8 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Jan 6:56 pm EST
Extended Forecast for

Bull Run VA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 15. Northwest wind 6 to 9 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 30. West wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

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

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 15. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 30. West wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 13. Calm wind.
Wednesday
Sunny, with a high near 40. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 39.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 7. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Bull Run VA
 38.78°N 77.53°W (Elev. 299 ft)
6:53 pm EST Jan 19, 2026
7pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database