Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Partly Cloudy

76°F

24°C

Humidity 88%
Wind Speed SW 10 mph
Barometer 29.67 in (1003.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 27 Jul 10:53 pm CDT
Extended Forecast for

4 Miles NNE Chicago IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. North wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

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

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 78. North wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 66. North wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 79. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Chicago IL
 41.88°N 87.68°W
9:06 pm CDT Jul 27, 2026
11pm CDT Jul 27, 2026-6pm CDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database