National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

34°F

1°C

Humidity 24%
Wind Speed S 12 G 23 mph
Barometer 30.43 in (1030.9 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Jan 11:52 am EST
Extended Forecast for

Oakton VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. South wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.

    High: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 13. Chance of precipitation is 80%.

    Low: 13 °F

    Snow

  • Sunday

    Sunday: Snow. High near 19. Chance of precipitation is 90%.

    High: 19 °F

    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. South wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 40. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 13. Chance of precipitation is 80%.
Sunday
Snow. High near 19. Chance of precipitation is 90%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oakton VA
 38.87°N 77.31°W (Elev. 400 ft)
Last Update:
9:53 am EST Jan 21, 2026
Forecast Valid:
12pm EST Jan 21, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation