10-Day Weather Forecast - Sioux City, IA

Mostly sunny. Highs in the lower 40s. South winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. South winds 10 to 15 mph becoming west 5 to 10 mph after midnight.

Mostly sunny. Highs in the lower 50s. Northwest winds around 5 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. South winds around 5 mph.

Partly sunny in the morning then clearing. Not as cool with highs in the lower 60s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s.

Mostly cloudy with a 20 percent chance of rain. Cooler with highs in the upper 40s.

Mostly cloudy with a slight chance of rain. A slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent.

Mostly cloudy with a slight chance of snow and rain. Highs in the lower 40s. Chance of precipitation 20 percent.

A slight chance of rain in the evening. Mostly cloudy with a slight chance of snow. Lows in the lower 20s. Chance of precipitation 20 percent.

A slight chance of snow in the morning. Mostly cloudy with a slight chance of rain. Highs in the mid 40s. Chance of precipitation 20 percent.

A slight chance of rain in the evening. Mostly cloudy with a slight chance of snow. Lows in the mid 20s. Chance of precipitation 20 percent.

Mostly sunny. Highs in the upper 40s.

Mostly cloudy. Low temperature around 30F. Dew point will be around 29F with an average humidity of 81%. Winds will be 5 mph from the E.

Cloudy. High temperature around 42F. Dew point will be around 30F with an average humidity of 75%. Winds will be 3 mph from the E.

Mostly cloudy. Low temperature around 28F. Dew point will be around 27F with an average humidity of 78%. Winds will be 1 mph from the N.

Sunny. High temperature around 41F. Dew point will be around 28F with an average humidity of 69%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 31F. Dew point will be around 26F with an average humidity of 71%. Winds will be 5 mph from the SE.