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.

Partly Cloudy and Breezy

42°F

6°C

Humidity 20%
Wind Speed S 21 G 30 mph
Barometer 30.23 in (1024.1 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 21 Jan 3:52 pm EST
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Southwest wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 51 °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 42. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 42 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. North wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 30%.

    High: 19 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 14. Chance of precipitation is 90%.

    Low: 14 °F

    Snow

  • Sunday

    Sunday: Snow. High near 21. Chance of precipitation is 90%.

    High: 21 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.

    Low: 14 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. South wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 51. Southwest wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 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 42. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 11. North wind 13 to 15 mph, with gusts as high as 24 mph.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 14. Chance of precipitation is 90%.
Sunday
Snow. High near 21. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 ft)
Last Update:
3:53 pm EST Jan 21, 2026
Forecast Valid:
4pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation