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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. 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

13°F

-11°C

Humidity 44%
Wind Speed NW 10 mph
Barometer 30.23 in (1024.2 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Jan 7:52 am EST
Extended Forecast for

Catharpin VA

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Cold Weather Advisory January 29, 08:13am until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Cold Weather Advisory January 29, 08:13am until January 29, 11:00am

    NOW until 11:00am Thu

    Cold Weather Advisory

  • Today

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. Northwest wind 3 to 6 mph.

    Low: 4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. Wind chill values as low as -3. North wind 3 to 6 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Wind chill values as low as -3. Calm wind becoming north around 6 mph after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow. Mostly cloudy, with a high near 20. North wind 7 to 13 mph. Chance of precipitation is 20%.

    High: 20 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 10. Blustery. Chance of precipitation is 30%.

    Low: 10 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Mostly cloudy, with a high near 25. Blustery.

    High: 25 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Today
Mostly sunny, with a high near 24. Wind chill values as low as -6. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 4. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 22. Wind chill values as low as -3. North wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 8. Wind chill values as low as -3. Calm wind becoming north around 6 mph after midnight.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 20. North wind 7 to 13 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 10. Blustery. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 25. Blustery.
Sunday Night
Partly cloudy, with a low around 15. Blustery.
Monday
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
6:54 am EST Jan 29, 2026
Forecast Valid:
8am EST Jan 29, 2026-6pm EST Feb 4, 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