Dangerous Cold Weather for Most of the Country; Rare Southern Winter Storm; Fire Weather Concerns for Southern California

Arctic air is encompassing the eastern two-thirds of the United States. A major winter storm is bringing heavy snow as well as areas of sleet and freezing rain from south Texas through the eastern Carolinas. Moderate to strong Santa Ana winds and low humidity will maintain Critical to Extremely Critical fire weather conditions in southern California. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

19°F

-7°C

Humidity 41%
Wind Speed NW 5 mph
Barometer 30.49 in (1033.1 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 21 Jan 1:52 pm EST
Extended Forecast for

Fairfax VA

Cold Weather Advisory January 22, 12:00am until January 22, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: Scattered flurries between 3pm and 5pm, then isolated snow showers after 5pm.  Cloudy, with a high near 21. Northwest wind around 5 mph becoming calm.

    High: 21 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 8pm, then scattered flurries between 8pm and 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 8. Wind chill values as low as -6. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    Low: 8 °F

    Isolated Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 19. Wind chill values as low as -7. North wind 5 to 10 mph becoming light northwest  in the afternoon.

    High: 19 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Calm wind becoming south around 6 mph in the morning.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered flurries between 3pm and 5pm, then isolated snow showers after 5pm. Cloudy, with a high near 21. Northwest wind around 5 mph becoming calm.
Tonight
Isolated snow showers before 8pm, then scattered flurries between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 8. Wind chill values as low as -6. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Wednesday
Increasing clouds, with a high near 19. Wind chill values as low as -7. North wind 5 to 10 mph becoming light northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 9. Calm wind.
Thursday
Mostly sunny, with a high near 32. Calm wind becoming south around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly cloudy, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 42.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
1:45 pm EST Jan 21, 2025
2pm EST Jan 21, 2025-6pm EST Jan 27, 2025
 
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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