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.

Fair

16°F

-9°C

Humidity 49%
Wind Speed NW 13 mph
Barometer 30.16 in (1021.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 29 Jan 2:52 am EST
Extended Forecast for

Fairfax VA

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Cold Weather Advisory January 29, 03:30am until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 29, 03:30am until January 29, 11:00am

    NOW until 11:00am Thu

    Cold Weather Advisory

  • Overnight

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 22. Wind chill values as low as -6. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 4. Wind chill values as low as -4. Northwest wind around 6 mph.

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -5. Northwest wind around 6 mph.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 20%.

    High: 19 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 11. Blustery. Chance of precipitation is 30%.

    Low: 11 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 6. Wind chill values as low as -3. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 22. Wind chill values as low as -6. West wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 4. Wind chill values as low as -4. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -5. Northwest wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 8. Calm wind becoming north 5 to 7 mph after midnight.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11. Blustery. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 24. Blustery.
Sunday Night
Partly cloudy, with a low around 15. Blustery.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
2:23 am EST Jan 29, 2026
Forecast Valid:
3am EST Jan 29, 2026-6pm EST Feb 4, 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