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

Heavy Rainfall and Flash Flood Threat for the Southern Plains Today; Severe Thunderstorms from the Northeast to the Ohio Valley

Heavy rains are leading to an elevated concern for flash flooding across parts of Oklahoma and Texas today, and this heavy rainfall will spread slowly east over the weekend. Severe thunderstorms may produce damaging winds and a few tornadoes across parts of the Northeast and Ohio Valley this afternoon and evening. Significant river flooding continues across the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

75°F

24°C

Humidity 82%
Wind Speed S 10 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 Sep 8:52 pm EDT
Extended Forecast for

Washington DC

Coastal Flood Advisory until September 22, 10:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until September 22, 10:00am

    NOW until
    10:00am Sat

    Coastal Flood Advisory

  • Tonight

    Tonight: Scattered showers, mainly between 2am and 5am. Mostly cloudy, with a low around 70. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    Mostly Cloudy
    then
    Scattered
    Showers

    Low: 70 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 76. North wind 7 to 11 mph.

    Mostly Cloudy

    High: 76 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 60. North wind around 7 mph. Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance Rain

    Low: 60 °F

  • Sunday

    Sunday: Rain likely. Cloudy, with a high near 66. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    High: 66 °F

  • Sunday
    Night

    Sunday Night: A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 59. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Chance Rain
    and Patchy
    Fog

    Low: 59 °F

  • Monday

    Monday: A chance of rain. Cloudy, with a high near 70. Chance of precipitation is 50%.

    Chance Rain

    High: 70 °F

  • Monday
    Night

    Monday Night: Rain likely. Cloudy, with a low around 64. Chance of precipitation is 60%.

    Rain Likely

    Low: 64 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. Chance of precipitation is 60%.

    Showers
    Likely

    High: 78 °F

Detailed Forecast

Tonight
Scattered showers, mainly between 2am and 5am. Mostly cloudy, with a low around 70. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 76. North wind 7 to 11 mph.
Saturday Night
A slight chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 60. North wind around 7 mph. Chance of precipitation is 50%.
Sunday
Rain likely. Cloudy, with a high near 66. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 59. Northeast wind around 6 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Cloudy, with a high near 70. Chance of precipitation is 50%.
Monday Night
Rain likely. Cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
Last Update:
8:03 pm EDT Sep 21, 2018
Forecast Valid:
9pm EDT Sep 21, 2018-6pm EDT Sep 28, 2018
 
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