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Alton, IA Weather Forecast
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Alton Weather Forecast
| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | |  | |  |  |  |  | |  | | |
| Patchy Fog | Patchy Fog | Clearing | Patchy Fog | Chance of T-Storm | Chance of T-Storm | Rain and Snow | Clearing | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C |
| POP: 90% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1029 PM CST Tue Mar 03 2026 
Alton Radar Loop
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