Weather World
City of Genoa, IllinoisGenoa, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Genoa, IL Weather Forecast
Genoa, IL Weather Forecast Date: 901 PM CDT Wed Sep 02 2026
The area/counties/county of: De Kalb, including the cities of: Dekalb and Sycamore.or toggle through each period.
Rest of Tonight... Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Thursday... Mostly cloudy. A slight chance of showers and thunderstorms early in the morning. A slight chance of showers and thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 30%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms early in the evening. A chance of showers and thunderstorms in the late evening and overnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 50%.
Friday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of precipitation 20%.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows around 70. Southeast winds around 5 mph. Chance of precipitation 40%.
Saturday... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 20%.
Saturday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20%.
Sunday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Sunday Night... Partly cloudy. Lows in the mid 60s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... Partly cloudy. Lows in the mid 60s.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Tuesday Night... Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 30%.
POP = Probability of Precipitation
Genoa Radar Loop
Use the map search tool if you want to place a location marker on the radar map...