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

39°F

4°C

Humidity 76%
Wind Speed NE 21 mph
Barometer 30.21 in (1023.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 1 Apr 12:53 pm CDT
Extended Forecast for

Summit IL

  • This Afternoon

    This Afternoon: A slight chance of rain between 2pm and 3pm. Cloudy, with a high near 40. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, then rain and possibly a thunderstorm after 1am. Low around 40. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Breezy, with an east southeast wind 15 to 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 67. West southwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain between 2pm and 3pm. Cloudy, with a high near 40. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Rain likely, then rain and possibly a thunderstorm after 1am. Low around 40. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 72. Breezy, with an east southeast wind 15 to 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 67. West southwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 35.
Monday
A chance of showers. Partly sunny, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
10:16 am CDT Apr 1, 2026
Forecast Valid:
1pm CDT Apr 1, 2026-6pm CDT Apr 7, 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