Weather forecast for: Sioux City IA
Last Update: 4:53 pm CDT Aug 30, 2026
Tonight: Increasing clouds, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.
Monday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming north northwest around 5 mph.
Monday Night: A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 69. Calm wind.
Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. East northeast wind around 5 mph. Chance of precipitation is 30%.
Wednesday: Mostly sunny, with a high near 89. East wind around 5 mph becoming south southeast in the afternoon.
Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
Thursday: Mostly sunny, with a high near 89.
Thursday Night: Mostly clear, with a low around 70.
Friday: Mostly sunny, with a high near 90.
Friday Night: Mostly clear, with a low around 69.
Saturday: Mostly sunny, with a high near 89.
Saturday Night: Partly cloudy, with a low around 69.
Sunday: Mostly sunny, with a high near 87.
WeatherWorld.com
City of Sioux City, Iowa
