Alton, IA 7-Day Weather Forecast
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Alton Weather Forecast


Alton, IA Weather Forecast Date: 444 PM CDT Sat Oct 24 2026
Weather forecast for Alton, IA
| Tonight Lo: 45°F Lo: 7°C |
Tonight... Cloudy with a 50% chance of showers. Cooler with lows in the mid 40s. North winds 5 to 10 mph. |
| Sun Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Sunday... Mostly cloudy. A chance of showers in the morning. Highs around 60. Northeast winds 5 to 10 mph. Chance of rain 50%. |
| Mon Hi: 59°FHi: 15°C Lo: 45°F Lo: 7°C |
Monday... Showers likely. Highs in the upper 50s. East winds 10 to 15 mph. Chance of rain 70%. |
| Tue Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 20%. |
| Wed Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30%. |
| Thu Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Thursday... Partly sunny. Highs around 70. |
| Fri Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Friday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30%. |
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