Saturday
Hot
High:
102°F
Sunny and hot, with a high near 102. Heat index values as high as 109. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sioux City, IA Weather - Extended Forecast
Saturday Night
Mostly clear
Overnight low:
79°F
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 30 mph.
Sunday
Hot
High:
100°F
Sunny and hot, with a high near 100. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday Night
Chance of thunderstorms
Overnight low:
71°F
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Partly sunny
High:
85°F
Monday Night
Showers
Overnight low:
61°F
Tuesday
Showers
High:
77°F
Tuesday Night
Showers
Overnight low:
64°F
Wednesday
Showers likely
High:
84°F
Wednesday Night
Showers likely
Overnight low:
64°F
Thursday
Chance of thunderstorms
High:
80°F