Weather forecast for: Storm Lake IA
Last Update: 1:32 am CDT Aug 29, 2026
Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 88. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night: Increasing clouds, with a low around 72. South southwest wind 5 to 10 mph.
Sunday: A 20 percent chance of showers and thunderstorms, mainly between 10am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind around 10 mph.
Sunday Night: Increasing clouds, with a low around 73. South wind around 10 mph.
Monday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 20%.
Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Tuesday: Partly sunny, with a high near 88.
Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday: Mostly sunny, with a high near 88.
Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday: Mostly sunny, with a high near 90.
Thursday Night: A 30 percent chance of showers. Partly cloudy, with a low around 68.
Friday: Mostly sunny, with a high near 88.
WeatherWorld.com
