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.

Mostly Cloudy

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 29.92 in (1012.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 11 Aug 3:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe and produce heavy rainfall. High near 80. East southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 80. Calm wind becoming south around 5 mph in the morning.

    High: 80 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. South southeast wind around 5 mph.
Tuesday
Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe and produce heavy rainfall. High near 80. East southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 80. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 74.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 66.
Saturday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 80.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69.
Sunday
A chance of showers. Mostly cloudy, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
4:16 am CDT Aug 11, 2026
Forecast Valid:
4am CDT Aug 11, 2026-6pm CDT Aug 17, 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