Weather forecast for: Winterset IA
Last Update: 12:11 am CDT Sep 15, 2026
Overnight: Showers and possibly a thunderstorm. Steady temperature around 72. Southwest wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday: Showers and thunderstorms before 10am, then a chance of showers. Steady temperature around 68. Northwest wind 5 to 8 mph becoming north northeast in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. North wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. High near 75. East wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 83.
Friday Night: A 50 percent chance of showers. Partly cloudy, with a low around 69.
Saturday: A 50 percent chance of showers. Mostly sunny, with a high near 81.
Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 73.
Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Monday: Partly sunny, with a high near 71.