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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

90°F

32°C

Humidity 63%
Wind Speed S 6 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Jul 8:52 pm EDT
Extended Forecast for

Washington DC

  • Tonight

    Tonight: Isolated showers and thunderstorms before 3am.  Mostly cloudy, with a low around 81. West wind 3 to 6 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 81 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 96. Heat index values as high as 102. North wind 5 to 7 mph becoming southwest in the afternoon.  Chance of precipitation is 40%.

    Partly Sunny
    then Chance
    T-storms

    High: 96 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely, mainly between 9pm and 3am.  Mostly cloudy, with a low around 80. Southwest wind 3 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 80 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy and hot, with a high near 97. Heat index values as high as 106. West wind 3 to 8 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    High: 97 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 79. Southwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 79 °F

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 9am.  Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 94 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 72.

    Partly Cloudy

    Low: 72 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 70.

    Mostly Clear

    Low: 70 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 3am. Mostly cloudy, with a low around 81. West wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 96. Heat index values as high as 102. North wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Saturday Night
Showers and thunderstorms likely, mainly between 9pm and 3am. Mostly cloudy, with a low around 80. Southwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 97. Heat index values as high as 106. West wind 3 to 8 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 79. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Monday
A slight chance of showers, with thunderstorms also possible after 9am. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
7:27 pm EDT Jul 21, 2017
9pm EDT Jul 21, 2017-6pm EDT Jul 28, 2017
 
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