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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

44°F

7°C

Humidity 76%
Wind Speed N 8 mph
Barometer 30.27 in (1024.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Nov 10:52 pm EST
Extended Forecast for

Mc Lean VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Cloudy, with a high near 55. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 48. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Light north wind.
Thursday
Mostly cloudy, with a high near 49. Light and variable wind.
Thursday Night
Cloudy, with a low around 41. Calm wind.
Friday
A chance of rain, mainly after 1pm. Cloudy, with a high near 55. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Friday Night
Rain. Low around 48. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.21°W (Elev. 299 ft)
Last Update:
10:51 pm EST Nov 19, 2025
Forecast Valid:
11pm EST Nov 19, 2025-6pm EST Nov 26, 2025
 
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