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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

85°F

29°C

Humidity 45%
Wind Speed S 14 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Jun 6:52 pm EDT
Extended Forecast for

Washington DC

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 85. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northwest wind 5 to 8 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 85. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 64. Northwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
Last Update:
4:53 pm EDT Jun 17, 2026
Forecast Valid:
7pm EDT Jun 17, 2026-6pm EDT Jun 24, 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