Tuesday
Hot
High:
96°F
Mostly sunny and hot, with a high near 96. South wind 5 to 10 mph.
Sioux City, IA Weather - Tomorrow’s Forecast
Tuesday Night
Chance of thunderstorms
Overnight low:
73°F
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South wind 5 to 10 mph.