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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

21°F

-6°C

Humidity 43%
Wind Speed Calm
Barometer 30.18 in (1022.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 28 Jan 11:52 am EST
Extended Forecast for

3 Miles SSW Ashburn VA

Cold Weather Advisory January 28, 07:00pm until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 21. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 21 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -7. West wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 4 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 23. Wind chill values as low as -7. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 23 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 5. Wind chill values as low as -3. Northwest wind around 6 mph.

    Low: 5 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 21. Northwest wind 5 to 8 mph.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Saturday Night

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

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24. Blustery.

    High: 24 °F

    Partly Sunny
    and Blustery

Detailed Forecast

This Afternoon
A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 21. Northwest wind around 7 mph. Chance of precipitation is 30%.
Tonight
A chance of snow, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -7. West wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 23. Wind chill values as low as -7. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 5. Wind chill values as low as -3. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 21. Northwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Partly sunny, with a high near 24. Blustery.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 33.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ashburn VA
 39°N 77.49°W (Elev. 299 ft)
Last Update:
9:54 am EST Jan 28, 2026
Forecast Valid:
12pm EST Jan 28, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation