Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

79°F

26°C

Humidity 58%
Wind Speed S 13 mph
Barometer 29.91 in (1012.0 mb)
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Heat Index81°F (27°C)
Last update 20 Jul 11:53 am CDT
Extended Forecast for

Chicago IL

  • This Afternoon

    This Afternoon: Isolated showers between 1pm and 3pm.  Widespread smoke before 1pm. Cloudy early, then clearing, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated thunderstorms, then scattered showers and thunderstorms after 7pm.  Mostly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 73 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Tuesday

    Tuesday: Isolated showers after 4pm.  Mostly sunny, with a high near 86. West wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers before 1am.  Partly cloudy, with a low around 63. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 73. North wind around 15 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers between 1pm and 3pm. Widespread smoke before 1pm. Cloudy early, then clearing, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Isolated thunderstorms, then scattered showers and thunderstorms after 7pm. Mostly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
Isolated showers after 4pm. Mostly sunny, with a high near 86. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers before 1am. Partly cloudy, with a low around 63. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 73. North wind around 15 mph.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
10:55 am CDT Jul 20, 2026
12pm CDT Jul 20, 2026-6pm CDT Jul 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database