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Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

70°F

21°C

Humidity 87%
Wind Speed Calm
Barometer 30.06 in (1017.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 6 Aug 1:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 84. South southwest wind 5 to 10 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming south southwest after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 84. South southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.
Monday Night
Showers likely. Mostly cloudy, with a low around 69.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
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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:
1:21 am CDT Aug 6, 2026
Forecast Valid:
2am CDT Aug 6, 2026-6pm CDT Aug 12, 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