10-Day Weather Forecast - Sioux City, IA

Mostly sunny. Highs in the mid 30s. South winds 10 to 15 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool. Near steady temperature in the lower 30s. South winds 10 to 15 mph becoming west after midnight.

Partly sunny in the morning then clearing. Highs in the upper 30s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Mostly clear. Cooler with lows around 17. West winds around 5 mph.

Mostly sunny. Highs in the upper 30s. South winds 10 to 15 mph.

Mostly cloudy in the evening then becoming partly cloudy. Not as cool with lows in the upper 20s.

Mostly sunny. Not as cool with highs in the upper 40s.

Partly cloudy. Lows in the lower 30s.

Partly sunny. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy in the morning then becoming partly sunny. Highs around 50.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

Mostly sunny. Highs in the lower 50s.

Mostly clear. Low temperature around 33F. Dew point will be around 31F with an average humidity of 78%. Winds will be 3 mph from the N.

Partly cloudy. High temperature around 43F. Dew point will be around 31F with an average humidity of 70%. Winds will be 2 mph from the SE.

Partly cloudy. Low temperature around 32F. Dew point will be around 29F with an average humidity of 75%. Winds will be 1 mph from the NE.

Mostly cloudy. High temperature around 40F. Dew point will be around 28F with an average humidity of 68%. Winds will be 4 mph from the N.

Partly cloudy. Low temperature around 27F. Dew point will be around 24F with an average humidity of 77%. Winds will be 5 mph from the N.