Sunday
Sunny
High:
66°F
Sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sioux City, IA Weather - Tomorrow’s Forecast
Sunday Night
Mostly cloudy
Overnight low:
39°F
Mostly cloudy, with a low around 39. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.