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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 >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

83°F

28°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.99 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Jul 9:53 am CDT
Extended Forecast for

Berwyn IL

Flash Flood Watch July 21, 04:00pm until July 22, 09:00am
Flood Warning until July 24, 01:00am
Click here for hazard details and duration
Flash Flood Watch
Flood Warning
  •  
    Flood Warning until July 24, 01:00am

    NOW until
    1:00am Mon

    Flood Warning

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.

    Partly Sunny
    then Heavy
    Rain

    High: 89 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 77. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 77 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 89. Heat index values as high as 97. South southwest wind around 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    Heavy Rain

    High: 89 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 73. Northwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 73 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. West northwest wind around 10 mph, with gusts as high as 15 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 67.

    Slight Chance
    Showers

    Low: 67 °F

  • Monday

    Monday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Monday
    Night

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

    Partly Cloudy

    Low: 64 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 77. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. Heat index values as high as 97. South southwest wind around 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Northwest wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. West northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Berwyn IL
 41.84°N 87.8°W
10:18 am CDT Jul 21, 2017
10am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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