Sunday
Sunny
High:
18°F
Sunny, with a high near 18. Wind chill values as low as -19. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sioux City, IA Weather - Tomorrow’s Forecast
Sunday Night
Mostly clear
Overnight low:
12°F
Mostly clear, with a low around 12. South wind 10 to 15 mph, with gusts as high as 25 mph.