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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

18°F

-8°C

Humidity 43%
Wind Speed S 9 mph
Barometer 30.15 in (1021.5 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 27 Jan 10:52 am EST
Extended Forecast for

Vienna VA

Cold Weather Advisory January 27, 07:00pm until January 28, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 25. Southwest wind 7 to 9 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 5 to 7 mph.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 21. Wind chill values as low as -6. West wind 5 to 8 mph.

    High: 21 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 4. Wind chill values as low as -6. Calm wind becoming northwest around 6 mph after midnight.

    Low: 4 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 22 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.

    High: 17 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 25. Southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 5 to 7 mph.
Wednesday
Increasing clouds, with a high near 21. Wind chill values as low as -6. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 4. Wind chill values as low as -6. Calm wind becoming northwest around 6 mph after midnight.
Thursday
Sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Mostly sunny, with a high near 19.
Friday Night
Partly cloudy, with a low around 2.
Saturday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 23.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly 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:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:54 am EST Jan 27, 2026
Forecast Valid:
11am EST Jan 27, 2026-6pm EST Feb 2, 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