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

74°F

23°C

Humidity 62%
Wind Speed S 17 G 29 mph
Barometer 29.85 in (1009.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 May 5:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 1pm. Increasing clouds, with a high near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 68. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 1pm. Increasing clouds, with a high near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 68. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 56. North northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 65.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 71.
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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:
5:51 am CDT May 18, 2026
Forecast Valid:
6am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation