60135 Weather (Genoa, IL)

Weather forecast for: Genoa IL

Last Update: 9:31 pm CDT Sep 2, 2026

Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 74. South southwest wind around 5 mph, with gusts as high as 10 mph.

Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. Heat index values as high as 97. West southwest wind 5 to 10 mph.

Thursday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Heat index values as high as 97. East southeast wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.

Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 70. East southeast wind around 5 mph. Chance of precipitation is 40%.

Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Saturday Night: Partly cloudy, with a low around 66.

Sunday: Mostly sunny, with a high near 83.

Sunday Night: Partly cloudy, with a low around 64.

Labor Day: Mostly sunny, with a high near 82.

Monday Night: Mostly cloudy, with a low around 64.

Tuesday: Partly sunny, with a high near 82.

Tuesday Night: A chance of showers. Partly cloudy, with a low around 67.

Wednesday: A chance of showers. Mostly sunny, with a high near 84.