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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

40°F

4°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 38°F (3°C)
Visibility 1.75 mi
Wind Chill36°F (2°C)
Last update 19 Feb 7:52 am EST
Extended Forecast for

Great Falls VA

  • Today

    Today: Rain, mainly after 3pm. Areas of fog before noon. High near 46. East wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Tonight

    Tonight: Rain, mainly after 2am. Patchy fog. Low around 40. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain likely before 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West wind 6 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 53. Northwest wind 5 to 7 mph.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am, mixing with snow after 4am. Partly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow

Detailed Forecast

Today
Rain, mainly after 3pm. Areas of fog before noon. High near 46. East wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly after 2am. Patchy fog. Low around 40. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely before 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 40. West wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 53. Northwest wind 5 to 7 mph.
Saturday Night
A chance of rain after 1am, mixing with snow after 4am. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
Last Update:
8:36 am EST Feb 19, 2026
Forecast Valid:
8am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation