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

88°F

31°C

Humidity 40%
Wind Speed S 17 G 22 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Jun 5:52 pm EDT
Extended Forecast for

Oxon Hill-Glassmanor MD

  • Tonight

    Tonight: Increasing clouds, with a low around 71. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a south wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

    High: 94 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 64. Northwest wind 6 to 9 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °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 86.

    High: 86 °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
Increasing clouds, with a low around 71. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a south wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Clear, with a low around 64. Northwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
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
A chance of showers, 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. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oxon Hill-Glassmanor MD
 38.79°N 76.98°W (Elev. 200 ft)
Last Update:
4:53 pm EDT Jun 17, 2026
Forecast Valid:
6pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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