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Village of Bethalto, ILBethalto, IL 7-Day Weather Forecast
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Bethalto Weather Forecast
Bethalto, IL Weather Forecast Date: 253 AM CDT Wed Sep 16 2026
Weather forecast for Bethalto, IL
Today Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Today... Mostly sunny. A chance of showers and thunderstorms, mainly this morning. Highs in the mid 90s. East winds around 5 mph, becoming southwest this afternoon. Chance of rain 50%. Heat index values up to 106. |
| Thu Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 20%. Heat index values up to 107. |
Fri Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Friday... Mostly sunny. Hot with highs in the mid 90s. East winds around 5 mph, becoming south around 5 mph in the afternoon. Heat index values up to 104 in the afternoon. |
| Sat Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Saturday... Mostly sunny. Hot with highs in the upper 90s. |
| Sun Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Sunday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20%. |
| Mon Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Monday... Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20%. |
Tue Hi: 81°FHi: 27°C |
Tuesday... Mostly sunny with a 20% chance of showers. Highs in the lower 80s. |
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