Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

67°F

19°C

Humidity 79%
Wind Speed NE 13 mph
Barometer 30.24 in (1023.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 5:53 am CDT
Extended Forecast for

4 Miles ENE Chicago IL

  • Today

    Today: Partly sunny, with a high near 70. East northeast wind around 15 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 5am.  Mostly cloudy, with a low around 60. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then T-storms
    Likely

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  High near 74. South southeast wind 10 to 15 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 74 °F

    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 62. North northeast wind around 10 mph.  Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 69. Breezy, with a northeast wind 15 to 25 mph.  Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Breezy.

    Low: 57 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers.  Mostly cloudy, with a high near 65. Breezy.  Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers.  Cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 70. East northeast wind around 15 mph.
Tonight
Showers and thunderstorms likely, mainly after 5am. Mostly cloudy, with a low around 60. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 74. South southeast wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 62. North northeast wind around 10 mph. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 69. Breezy, with a northeast wind 15 to 25 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Breezy.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of showers. Cloudy, with a low around 55.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Chicago IL
 41.86°N 87.62°W
2:41 am CDT Sep 18, 2026
6am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database