Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

48°F

9°C

Humidity 74%
Wind Speed S 3 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 40°F (4°C)
Visibility 8.00 mi
Last update 20 Nov 3:52 pm EST
Extended Forecast for

2 Miles ESE Great Falls VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm.  Mostly cloudy, with a high near 55. Light south wind.  Chance of precipitation is 50%.

    High: 55 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Rain.  Low around 47. Light and variable wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 6 to 9 mph.  Chance of precipitation is 40%.

    High: 55 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 55. Light south wind. Chance of precipitation is 50%.
Friday Night
Rain. Low around 47. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Wednesday
A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Thanksgiving Day
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Great Falls VA
 39°N 77.24°W (Elev. 318 ft)
3:53 pm EST Nov 20, 2025
4pm EST Nov 20, 2025-6pm EST Nov 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