10-Day Weather Forecast - Sioux City, IA

Sunny. Highs in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. Not as cool with lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph.

Sunny. Highs around 50. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s. Southwest winds 5 to 10 mph becoming northwest after midnight.

Partly sunny. Highs in the lower 40s. North winds around 5 mph becoming east in the afternoon.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the lower 50s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 50s.

Mostly cloudy. Cooler with lows in the mid 20s.

Mostly sunny. Cooler with highs around 40.

Mostly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the mid 40s.

Clear. Low temperature around 28F. Dew point will be around 26F with an average humidity of 77%. Winds will be 6 mph from the N.

Partly cloudy. High temperature around 35F. Dew point will be around 22F with an average humidity of 63%. Winds will be 6 mph from the N.

Clear. Low temperature around 24F. Dew point will be around 20F with an average humidity of 74%. Winds will be 4 mph from the N.

Mostly sunny. High temperature around 34F. Dew point will be around 20F with an average humidity of 63%. Winds will be 1 mph from the N.

Clear. Low temperature around 26F. Dew point will be around 21F with an average humidity of 75%. Winds will be 1 mph from the SE.