10-Day Weather Forecast - South Sioux City, NE

Partly sunny with a chance of flurries. Very windy and much cooler with highs in the mid 30s. Temperature falling to around 18 in the afternoon. Northwest winds 30 to 40 mph with gusts up to 55 mph.

Mostly clear in the evening then becoming partly cloudy. Breezy and much colder with lows around 11. Northwest winds 20 to 25 mph with gusts up to 40 mph becoming west 5 to 10 mph after midnight.

Mostly sunny. Highs around 40. South winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the upper 20s. South winds 10 to 15 mph becoming west after midnight.

Mostly sunny. Highs in the upper 30s.

Mostly clear. Lows around 20.

Mostly sunny. Highs in the lower 40s.

Mostly cloudy. Lows in the upper 20s.

Mostly sunny. Highs in the upper 40s.

Partly cloudy. Lows around 30.

Partly sunny. Highs in the mid 40s.

Mostly cloudy. Lows in the mid 20s.

Partly sunny. Highs in the mid 40s.

Partly cloudy. Low temperature around 34F. Dew point will be around 31F with an average humidity of 84%. Winds will be 3 mph from the S.

Partly cloudy. High temperature around 46F. Dew point will be around 33F with an average humidity of 70%. Winds will be 2 mph from the E.

Partly cloudy. Low temperature around 35F. Dew point will be around 32F with an average humidity of 79%. Winds will be 2 mph from the E.

Partly cloudy. High temperature around 40F. Dew point will be around 28F with an average humidity of 67%. Winds will be 6 mph from the N.

Partly cloudy. Low temperature around 26F. Dew point will be around 22F with an average humidity of 75%. Winds will be 4 mph from the N.