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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 / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

A Few Clouds

73°F

23°C

Humidity 94%
Wind Speed S 12 G 22 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 20 Jul 9:52 am CDT
Extended Forecast for

Naperville IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 90. Heat index values as high as 102. South southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    Chance
    T-storms

    High: 90 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Heat index values as high as 96. East northeast wind around 5 mph becoming south southeast in the afternoon.

    Chance
    T-storms

    High: 89 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    Heavy Rain

    Low: 71 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 90. South wind 10 to 15 mph becoming west southwest in the afternoon.

    Chance
    T-storms

    High: 90 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 71.

    Slight Chance
    T-storms

    Low: 71 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. South southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 96. East northeast wind around 5 mph becoming south southeast in the afternoon.
Friday Night
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. South wind 10 to 15 mph becoming west southwest in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Naperville IL
 41.77°N 88.15°W
9:17 am CDT Jul 20, 2017
10am CDT Jul 20, 2017-6pm CDT Jul 26, 2017
 
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