7-Day Forecast 41.52°N 87.99°W (Text-Only)
NWS Forecast for: New Lenox IL
Issued by: National Weather Service Chicago, IL
Last Update: 5:17 pm CDT Jun 10, 2026




Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 70. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 88. Heat index values as high as 95. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph.

Thursday Night: Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 60. Breezy, with a south southwest wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday: Sunny, with a high near 80. West wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night: Clear, with a low around 61. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Saturday: Sunny, with a high near 85.

Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

Sunday: Partly sunny, with a high near 74.

Sunday Night: Partly cloudy, with a low around 55.

Monday: Mostly sunny, with a high near 74.

Monday Night: Mostly cloudy, with a low around 56.

Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Tuesday Night: Partly cloudy, with a low around 57.

Wednesday: Mostly sunny, with a high near 79.



New Lenox IL
 41.52°N 87.99°W

Visit your local NWS office at: https://www.weather.gov/lot