National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

65°F

18°C

Humidity 70%
Wind Speed NE 9 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 2:53 pm CDT
Extended Forecast for

Lyons IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 60. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Breezy, with an east southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Showers, mainly after 1pm. High near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 60. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Breezy, with an east southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
Showers, mainly after 1pm. High near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 41. Breezy.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyons IL
 41.82°N 87.83°W
Last Update:
3:26 pm CDT Oct 14, 2026
Forecast Valid:
3pm CDT Oct 14, 2026-6pm CDT Oct 20, 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