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.

Light Rain

56°F

13°C

Humidity 46%
Wind Speed S 5 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 15 May 2:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 30 percent chance of showers before 4am. Mostly cloudy, with a steady temperature around 53. South southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 7am and 8am. Partly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. Breezy.

    High: 84 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers before 4am. Mostly cloudy, with a steady temperature around 53. South southeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers between 7am and 8am. Partly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 5 mph. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 67.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Breezy.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
2:36 am CDT May 15, 2026
Forecast Valid:
3am CDT May 15, 2026-6pm CDT May 21, 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