Weather forecast for: Griswold IA
Last Update: 6:26 am CDT Oct 12, 2026
Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 91. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 28 mph.
Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 59. Southwest wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Tuesday: A 10 percent chance of showers and thunderstorms before 7am. Increasing clouds, with a high near 82. Northeast wind 3 to 7 mph.
Tuesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 56. North northeast wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 70. North northeast wind around 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 54. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Thursday Night: Mostly cloudy, with a low around 44. Breezy.
Friday: Sunny, with a high near 59. Windy.
Friday Night: Mostly clear, with a low around 35.
Saturday: Sunny, with a high near 61.
Saturday Night: Mostly clear, with a low around 41.
Sunday: Sunny, with a high near 69. Breezy.