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

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

44°F

7°C

Humidity 45%
Wind Speed SE 6 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Mar 1:53 am CDT
Extended Forecast for

Merrionette Park IL

  • Overnight

    Overnight: Partly cloudy, with a low around 40. South southeast wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 56. South southwest wind 5 to 10 mph.

    Low: 56 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 79. Breezy, with a south southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. South southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 70. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 56. South southwest wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 79. Breezy, with a south southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 72.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrionette Park IL
 41.71°N 87.72°W
Last Update:
1:15 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 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