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.

Mostly Cloudy

71°F

22°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 14 Aug 5:53 am CDT
Extended Forecast for

Merrionette Park IL

  • Today

    Today: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 3pm. Mostly cloudy, with a high near 80. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 84. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 84 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. West wind 5 to 10 mph.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 3pm. Mostly cloudy, with a high near 80. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 84. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. West wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrionette Park IL
 41.68°N 87.69°W
Last Update:
6:06 am CDT Aug 14, 2026
Forecast Valid:
6am CDT Aug 14, 2026-6pm CDT Aug 20, 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