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Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

79°F

26°C

Humidity 82%
Wind Speed N 3 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 28 Jul 8:52 am EDT
Extended Forecast for

Washington DC

Flash Flood Watch July 28, 02:00pm until July 29, 02:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Showers likely, mainly after 2pm.  Cloudy, with a high near 83. West wind around 6 mph becoming southeast in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 83 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Low around 68. Northeast wind 7 to 9 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 68 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 75. North wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 75 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers.  Low around 62. North wind 9 to 13 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers then
    Chance
    Showers

    Low: 62 °F

  • Sunday

    Sunday: A slight chance of showers before 2pm.  Mostly sunny, with a high near 79. North wind 8 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 79 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Monday

    Monday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 66.

    Mostly Clear

    Low: 66 °F

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

Detailed Forecast

Today
Showers likely, mainly after 2pm. Cloudy, with a high near 83. West wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 68. Northeast wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 62. North wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 2pm. Mostly sunny, with a high near 79. North wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
9:34 am EDT Jul 28, 2017
9am EDT Jul 28, 2017-6pm EDT Aug 3, 2017
 
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