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

Heavy Mountain Snow in the Northwest; Flooding Possible in the South

Heavy mountain snow and high winds have returned to the Northwestern U.S. today into Friday. Total snow accumulations could reach 3 feet in the higher elevations. Several rounds of heavy showers and thunderstorms tracking from the ArkLaTex into the Tennessee Valley may result in localized flash, urban, and small stream flooding into early next week, along with new river flooding. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

47°F

8°C

Humidity 42%
Wind Speed N 10 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 25 Feb 10:52 am EST
Extended Forecast for

2 Miles WSW Great Falls VA

  • Today

    Today: Sunny, with a high near 50. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Sunny

    High: 50 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Northwest wind 3 to 6 mph.

    Increasing
    Clouds

    Low: 31 °F

  • Friday

    Friday: Mostly sunny, with a high near 47. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    Mostly Sunny

    High: 47 °F

  • Friday
    Night

    Friday Night: Rain likely before 11pm, then rain and snow likely between 11pm and 1am, then rain after 1am. Low around 35. Southeast wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Rain/Snow

    Low: 35 °F

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    Rain Likely

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Chance Rain
    then Rain
    Likely

    Low: 45 °F

  • Sunday

    Sunday: Rain likely before 10am, then showers likely after 10am. Cloudy, with a high near 55. Chance of precipitation is 70%.

    Rain Likely

    High: 55 °F

  • Sunday
    Night

    Sunday Night: Showers likely. Cloudy, with a low around 45. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 45 °F

  • Monday

    Monday: Partly sunny, with a high near 54.

    Partly Sunny

    High: 54 °F

Detailed Forecast

Today
Sunny, with a high near 50. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 31. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 47. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Friday Night
Rain likely before 11pm, then rain and snow likely between 11pm and 1am, then rain after 1am. Low around 35. Southeast wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Rain likely before 10am, then showers likely after 10am. Cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 45. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 54.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles WSW Great Falls VA
 39.01°N 77.32°W (Elev. 348 ft)
Last Update:
9:56 am EST Feb 25, 2021
Forecast Valid:
11am EST Feb 25, 2021-6pm EST Mar 3, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation