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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Snow

33°F

1°C

Humidity 82%
Wind Speed S 9 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 28°F (-2°C)
Visibility 8.00 mi
Wind Chill25°F (-4°C)
Last update 17 Jan 9:52 am EST
Extended Forecast for

2 Miles NNW Great Falls VA

  • Today

    Today: Rain and snow before 11am, then a chance of rain between 11am and 1pm. High near 46. Southwest wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow
    then Slight
    Chance Rain

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am, then a chance of snow. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of light snow, mainly before 1pm. Mostly cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. Southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow before 11am, then a chance of rain between 11am and 1pm. High near 46. Southwest wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of rain between 2am and 4am, then a chance of snow. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 30%.
Sunday
A chance of light snow, mainly before 1pm. Mostly cloudy, with a high near 34. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 38. Southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
Last Update:
9:53 am EST Jan 17, 2026
Forecast Valid:
9am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation