National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fog/Mist

69°F

21°C

Humidity 93%
Wind Speed NE 10 mph
Barometer 30.20 in (1021.9 mb)
Dewpoint 67°F (19°C)
Visibility 6.00 mi
Last update 17 Sep 7:53 pm CDT
Extended Forecast for

Calumet Park IL

  • Tonight

    Tonight: Patchy drizzle with a slight chance of showers before 10pm. Mostly cloudy, with a low around 67. North northeast wind 5 to 10 mph.

    Low: 67 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 74. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 66. North northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers before 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy drizzle with a slight chance of showers before 10pm. Mostly cloudy, with a low around 67. North northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 74. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 66. North northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Calumet Park IL
 41.66°N 87.66°W
Last Update:
2:41 pm CDT Sep 17, 2026
Forecast Valid:
8pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation