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 and Breezy

63°F

17°C

Humidity 41%
Wind Speed S 25 G 38 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Apr 11:53 pm CDT
Extended Forecast for

Summit IL

  • Overnight

    Overnight: Scattered showers, mainly after 2am. Mostly cloudy, with a low around 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Scattered
    Showers and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 9am. Partly sunny, with a high near 67. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 44. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 53 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. East northeast wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 77. Breezy.

    High: 77 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers, mainly after 2am. Mostly cloudy, with a low around 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers, mainly before 9am. Partly sunny, with a high near 67. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 44. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 37. East northeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 77. Breezy.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
Showers likely. Mostly cloudy, with a low around 62.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Mostly cloudy, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
11:11 pm CDT Apr 8, 2026
Forecast Valid:
12am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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