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 >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

30°F

-1°C

Humidity 43%
Wind Speed NW 12 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 19 Jan 11:56 pm EST
Extended Forecast for

The Plains VA

  • Overnight

    Overnight: Clear, with a low around 14. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 14 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. South wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 14. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 28. West wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 12. Northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 40. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 28. South wind 8 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.
Saturday Night
Snow likely. Cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 8. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
The Plains VA
 38.85°N 77.78°W (Elev. 600 ft)
12:00 am EST Jan 20, 2026
12am EST Jan 20, 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