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 96%
Wind Speed W 7 mph
Barometer 29.98 in (1014.1 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Last update 16 Aug 8:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 83. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. West wind around 10 mph becoming north after midnight.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southeast wind around 5 mph becoming west southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 83. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. West wind around 10 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66. Southeast wind around 5 mph becoming west southwest after midnight.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
8:56 am CDT Aug 16, 2026
Forecast Valid:
9am CDT Aug 16, 2026-6pm CDT Aug 22, 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