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

75°F

24°C

Humidity 71%
Wind Speed W 10 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Apr 1:53 pm CDT
Extended Forecast for

Summit IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 62. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 62 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 72. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 62. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 72. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 80.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 58.
Saturday
Showers likely. Partly sunny, with a high near 66. Breezy.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 53.
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:
2:11 pm CDT Apr 13, 2026
Forecast Valid:
2pm CDT Apr 13, 2026-6pm CDT Apr 19, 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