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

15°F

-9°C

Humidity 51%
Wind Speed N 9 mph
Barometer 30.24 in (1024.6 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 28 Jan 5:52 am EST
Extended Forecast for

5 Miles NW Catharpin VA

Cold Weather Advisory January 28, 07:00pm until January 29, 11:00am
Cold Weather Advisory January 28, 05:59am until January 28, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Cold Weather Advisory January 28, 05:59am until January 28, 11:00am

    NOW until 11:00am Wed

    Cold Weather Advisory

  • Today

    High: 23 °F

    Increasing
    Clouds

  • Tonight

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

    Low: 5 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 24. Wind chill values as low as -4. Northwest wind 5 to 10 mph.

    High: 24 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6. Wind chill values as low as -2. Northwest wind around 6 mph.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 22. Northwest wind 5 to 7 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 20%.

    Low: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 30%.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow and
    Blustery

Detailed Forecast

Today
Increasing clouds, with a high near 23. Wind chill values as low as -4. Northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 5. Wind chill values as low as -3. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 24. Wind chill values as low as -4. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 6. Wind chill values as low as -2. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 22. Northwest wind 5 to 7 mph.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 18.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 25. Blustery.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
Last Update:
3:53 am EST Jan 28, 2026
Forecast Valid:
5am 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