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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

14°F

-10°C

Humidity 56%
Wind Speed NW 7 mph
Barometer 30.26 in (1025.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 30 Jan 1:52 am EST
Extended Forecast for

Catharpin VA

Cold Weather Advisory January 30, 08:00pm until January 31, 11:00am
Cold Weather Advisory January 30, 02:24am until January 30, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 30, 02:24am until January 30, 11:00am

    NOW until 11:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 22. Wind chill values as low as -7. North wind 6 to 8 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -6. North wind 5 to 8 mph.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 21. Wind chill values as low as -7. North wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 21 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. North wind 13 to 18 mph, with gusts as high as 39 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26. Blustery.

    High: 26 °F

    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Clear, with a low around 15.

    Low: 15 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 4. Wind chill values as low as -6. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 22. Wind chill values as low as -7. North wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -6. North wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 21. Wind chill values as low as -7. North wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 9. North wind 13 to 18 mph, with gusts as high as 39 mph.
Sunday
Sunny, with a high near 26. Blustery.
Sunday Night
Clear, with a low around 15.
Monday
Sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
12:54 am EST Jan 30, 2026
Forecast Valid:
2am EST Jan 30, 2026-6pm EST Feb 5, 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