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

39°F

4°C

Humidity 36%
Wind Speed SW 12 mph
Barometer 29.95 in (1014.6 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 19 Jan 12:52 pm EST
Extended Forecast for

2 Miles NNW Great Falls VA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 41. West wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 16. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. West wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °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 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 41. West wind 11 to 14 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 16. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 28. West wind 8 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 13. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 39. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow. Mostly cloudy, with a high near 19. 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. Partly sunny, with a high near 20. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
12:53 pm EST Jan 19, 2026
1pm EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database