Weather forecast for: Garrison IA
Last Update: 5:26 am CDT Sep 8, 2026
Today: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 89. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 69. Northwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 82. West wind around 5 mph becoming northwest in the afternoon.
Wednesday Night: Mostly clear, with a low around 59. North wind around 5 mph.
Thursday: Sunny, with a high near 79.
Thursday Night: Clear, with a low around 57.
Friday: Sunny, with a high near 82.
Friday Night: Showers likely, mainly after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 70%.
Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 79.
Saturday Night: A 30 percent chance of showers. Partly cloudy, with a low around 58.
Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
WeatherWorld.com
