Weather World
St. Simon School, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
St. Simon School Weather Forecast
St. Simon School, IL Weather Forecast Date: 836 PM CDT Wed Sep 16 2026
Weather forecast for St. Simon School, IL
Tonight Lo: 69°F Lo: 21°C |
Tonight... Cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 80%. |
Thu Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Thursday... Cloudy. Showers likely early in the morning. A chance of thunderstorms in the morning. A chance of showers late in the morning. Humid with highs in the mid 70s. North winds 5 to 10 mph. Chance of precipitation 70%. |
Fri Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Friday... Mostly cloudy. Highs in the mid 70s inland, but only in the lower 70s near the lake. East winds 5 to 10 mph. |
Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Numerous showers and thunderstorms. Highs in the lower 80s. Chance of precipitation 70%. |
| Sun Hi: 69°FHi: 21°C Lo: 61°F Lo: 16°C |
Sunday... A slight chance of thunderstorms in the morning. Cloudy with a chance of showers. Near steady temperature in the upper 60s. Chance of precipitation 50%. |
Mon Hi: 70°FHi: 21°C Lo: 59°F Lo: 15°C |
Monday... Mostly cloudy with a chance of showers. Highs around 70. Chance of precipitation 50%. |
| Tue Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Tuesday... Mostly cloudy with a 30% chance of showers. Highs in the upper 60s. |
St. Simon School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...