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Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. 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

20°F

-7°C

Humidity 40%
Wind Speed W 18 G 31 mph
Barometer 29.80 in (1009.3 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 13 Dec 4:52 am EST
Extended Forecast for

Great Falls VA

  • Today

    Today: Mostly sunny, with a high near 34. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph.

    Mostly Sunny
    and Breezy

    High: 34 °F

  • Tonight

    Tonight: A slight chance of snow after 11pm.  Mostly cloudy, with a low around 25. South wind 6 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Snow

    Low: 25 °F

  • Thursday

    Thursday: A slight chance of snow before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 9 to 15 mph becoming northwest in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    Slight Chance
    Snow then
    Mostly Sunny

    High: 38 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 22 °F

  • Friday

    Friday: A slight chance of snow showers after 8am.  Mostly cloudy, with a high near 35. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    Snow Showers

    High: 35 °F

  • Friday
    Night

    Friday Night: A slight chance of snow showers before 8pm.  Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: 25 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    Mostly Sunny

    High: 41 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 27.

    Mostly Clear

    Low: 27 °F

  • Sunday

    Sunday: A chance of showers after 8am.  Partly sunny, with a high near 45. Chance of precipitation is 30%.

    Chance
    Showers

    High: 45 °F

Detailed Forecast

Today
Mostly sunny, with a high near 34. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph.
Tonight
A slight chance of snow after 11pm. Mostly cloudy, with a low around 25. South wind 6 to 10 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 9 to 15 mph becoming northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
A slight chance of snow showers after 8am. Mostly cloudy, with a high near 35. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 27.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 49.
Click Map For Forecast
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
3:27 am EST Dec 13, 2017
5am EST Dec 13, 2017-6pm EST Dec 19, 2017
 
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