Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Heavy Rain Fog/Mist

68°F

20°C

Humidity 90%
Wind Speed S 6 mph
Barometer 30.23 in (1023.8 mb)
Dewpoint 65°F (18°C)
Visibility 1.00 mi
Last update 21 Sep 9:52 am EDT
Extended Forecast for

2 Miles SSW Martin's Additions MD

Coastal Flood Advisory September 21, 04:00pm until September 21, 10:00pm
Coastal Flood Warning until September 21, 11:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Warning until September 21, 11:00am

    NOW until
    11:00am Fri

    Coastal Flood Warning

  • Today

    Today: A chance of showers, mainly before 11am.  Mostly cloudy, with a high near 82. South wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 82 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms, then scattered showers after 2am.  Partly cloudy, with a low around 69. South wind 7 to 10 mph.  Chance of precipitation is 30%.

    Isolated
    T-storms then
    Scattered
    Showers

    Low: 69 °F

  • Saturday

    Saturday: Partly sunny, with a high near 77. North wind 8 to 10 mph.

    Partly Sunny

    High: 77 °F

  • Saturday
    Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 60. North wind 5 to 7 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 60 °F

  • Sunday

    Sunday: Rain likely, mainly after 2pm.  Cloudy, with a high near 66. Northeast wind around 6 mph.  Chance of precipitation is 60%.

    Rain Likely

    High: 66 °F

  • Sunday
    Night

    Sunday Night: Rain likely, mainly before 8pm.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Rain Likely

    Low: 59 °F

  • Monday

    Monday: A chance of rain.  Cloudy, with a high near 68. Chance of precipitation is 40%.

    Chance Rain

    High: 68 °F

  • Monday
    Night

    Monday Night: A chance of rain.  Cloudy, with a low around 63. Chance of precipitation is 40%.

    Chance Rain

    Low: 63 °F

Detailed Forecast

Today
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 82. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms, then scattered showers after 2am. Partly cloudy, with a low around 69. South wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 77. North wind 8 to 10 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. North wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
Rain likely, mainly after 2pm. Cloudy, with a high near 66. Northeast wind around 6 mph. Chance of precipitation is 60%.
Sunday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A chance of rain. Cloudy, with a high near 68. Chance of precipitation is 40%.
Monday Night
A chance of rain. Cloudy, with a low around 63. Chance of precipitation is 40%.
Tuesday
A chance of showers. Cloudy, with a high near 77. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
2 Miles SSW Martin's Additions MD
 38.96°N 77.07°W (Elev. 295 ft)
7:30 am EDT Sep 21, 2018
10am EDT Sep 21, 2018-6pm EDT Sep 27, 2018
 
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