Lake-Effect Snow Continues Downwind of the Great Lakes; Below Normal Temperatures Across the Eastern Half of the U.S

Arctic air will continue below normal temperatures across the eastern half of the U.S. through Tuesday with heavy lake-effect snow continuing downwind of the Great Lakes. High pressure over the western half of the U.S. will support mainly dry weather for much of the region with above normal temperatures this week. 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 38%
Wind Speed NW 16 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 2 Dec 12:52 pm EST
Extended Forecast for

Herndon VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Northwest wind 7 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. West wind 3 to 8 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am.  Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 1pm.  Mostly sunny, with a high near 41. Breezy.  Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Northwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 24. Northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 40. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 22. West wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 41. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
A slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday
A chance of snow before 1pm. Mostly sunny, with a high near 41. Breezy. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 45.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
12:30 pm EST Dec 2, 2024
1pm EST Dec 2, 2024-6pm EST Dec 8, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database