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.

Thunderstorm Light Rain Fog/Mist

75°F

24°C

Humidity 82%
Wind Speed E 5 mph
Barometer 29.76 in (1006.7 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 18 Jun 1:53 pm CDT
Extended Forecast for

Merrionette Park IL

Flood Watch until June 18, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 18, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • This Afternoon

    High: 80 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a slight chance of showers after 4am. Low around 64. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 80. East northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers after 4am. Low around 64. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Juneteenth
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrionette Park IL
 41.68°N 87.69°W
Last Update:
12:06 pm CDT Jun 18, 2025
Forecast Valid:
2pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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