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

64°F

18°C

Humidity 75%
Wind Speed W 16 G 24 mph
Barometer 29.53 in (999.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 5:53 am CDT
Extended Forecast for

Lyons IL

  • Today

    Today: Mostly sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • 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 61. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 58. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 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 61. West wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lyons IL
 41.82°N 87.83°W
Last Update:
5:26 am CDT Jun 18, 2026
Forecast Valid:
6am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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Additional Resources

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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