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.

A Few Clouds

78°F

26°C

Humidity 56%
Wind Speed S 15 G 28 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 May 10:53 pm CDT
Extended Forecast for

Oak Lawn IL

  • Overnight

    Overnight: Partly cloudy, with a low around 70. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    T-storms
    Likely and
    Breezy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 81 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 81. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Lawn IL
 41.71°N 87.75°W
Last Update:
9:52 pm CDT May 17, 2026
Forecast Valid:
1am 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