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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

88°F

31°C

Humidity 63%
Wind Speed W 14 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 20 Jul 2:53 pm CDT
Extended Forecast for

Chicago IL

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

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly cloudy, with a high near 89. Heat index values as high as 98. Northeast wind around 10 mph.

    Chance
    T-storms

    High: 89 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms and
    Patchy Fog

    Low: 73 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 86. East northeast wind around 5 mph becoming southeast in the afternoon.

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 74 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 88. South southwest wind around 10 mph.

    Chance
    T-storms

    High: 88 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73.

    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 85.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Monday

    Monday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 89. Heat index values as high as 98. Northeast wind around 10 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 86. East northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 88. South southwest wind around 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Chicago IL
 41.84°N 87.68°W
2:17 pm CDT Jul 20, 2017
3pm CDT Jul 20, 2017-6pm CDT Jul 26, 2017
 
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