Sioux City, IA Weather - Tomorrow’s Forecast

Monday

Mostly sunny

High:
66°F

Mostly sunny, with a high near 66. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly cloudy

Overnight low:
33°F

Mostly cloudy, with a low around 33. North northwest wind 5 to 10 mph.