Weather forecast for: Alton IA
Last Update: 8:48 am CDT Oct 24, 2026
Today: Scattered showers, mainly after 3pm. Mostly cloudy, with a high near 70. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
Tonight: Scattered showers, mainly before 3am. Cloudy, with a low around 47. North wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday: A 30 percent chance of showers, mainly before 7am. Partly sunny, with a high near 60. Northeast wind 5 to 10 mph.
Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday: Showers. High near 56. East northeast wind 10 to 15 mph. Chance of precipitation is 80%.
Monday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 45. East northeast wind around 10 mph becoming south after midnight. Chance of precipitation is 70%.
Tuesday: Partly sunny, with a high near 61.
Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Wednesday: Partly sunny, with a high near 64.
Wednesday Night: Mostly clear, with a low around 41.
Thursday: Mostly sunny, with a high near 64.
Thursday Night: Partly cloudy, with a low around 46.
Friday: A 40 percent chance of showers. Partly sunny, with a high near 63.