Weather WorldGeneseo, IL 7-Day Weather Forecast
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Geneseo Weather Forecast
Geneseo, IL Weather Forecast Date: 736 PM CDT Tue Sep 15 2026
Weather forecast for Geneseo, IL
Tonight Lo: 61°F Lo: 16°C |
Tonight... Thunderstorms likely. A slight chance of showers this evening, then showers likely after midnight. Lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 70%. |
Wed Hi: 71°FHi: 22°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly cloudy. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Not as warm. Humid with highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 80%. |
| Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. North winds around 5 mph. Chance of rain 50%. |
| Fri Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50%. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%. |
Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Mostly cloudy with a 50% chance of showers. Highs in the mid 70s. |
Mon Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Monday... Mostly cloudy. Highs in the lower 70s. Lows in the upper 50s. |
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