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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

23°F

-5°C

Humidity 40%
Wind Speed NW 13 G 22 mph
Barometer 30.24 in (1024.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 1:52 am EST
Extended Forecast for

Tysons Corner VA

  • Overnight

    Overnight: Clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. Northwest wind around 5 mph becoming light and variable  after midnight.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 26 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 32 °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 26.

    Low: 26 °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 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 28. West wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 15. Northwest wind around 5 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 40. Light southeast 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 32. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Saturday Night
Snow likely. Cloudy, with a low around 13. 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. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Tysons Corner VA
 38.93°N 77.25°W (Elev. 377 ft)
1:52 am EST Jan 20, 2026
2am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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