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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

80°F

27°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Aug 1:53 pm CDT
Extended Forecast for

3 Miles NNE Calumet Park IL

  • This Afternoon

    This Afternoon: Showers likely, mainly before 3pm. Mostly cloudy, with a high near 79. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 95. West northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 70. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. North wind around 5 mph, with gusts as high as 10 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely, mainly before 3pm. Mostly cloudy, with a high near 79. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 95. West northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 70. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 78. North wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers before 1pm. Mostly cloudy, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Calumet Park IL
 41.7°N 87.63°W
Last Update:
1:21 pm CDT Aug 15, 2026
Forecast Valid:
2pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation