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.

Partly Cloudy

75°F

24°C

Humidity 71%
Wind Speed N 17 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 4:53 pm CDT
Extended Forecast for

Merrionette Park IL

  • Tonight

    Tonight: Partly cloudy, with a low around 64. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. South wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. South wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
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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:
3:40 pm CDT Aug 2, 2026
Forecast Valid:
5pm CDT Aug 2, 2026-6pm CDT Aug 9, 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