10-Day Weather Forecast - Sioux City, IA

Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Humid with highs in the lower 80s. North winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Humid with lows in the lower 60s. Northeast winds around 5 mph.

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. East winds around 5 mph. Chance of rain 20 percent.

Partly cloudy. Humid with lows in the mid 60s. East winds around 5 mph.

Sunny. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs around 90.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the lower 90s.

Mostly clear. Lows around 70.

Sunny. Highs in the lower 90s.

Clear. Low temperature around 73F. Dew point will be around 67F with an average humidity of 64%. Winds will be 6 mph from the S.

Sunny. High temperature around 92F. Dew point will be around 67F with an average humidity of 57%. Winds will be 4 mph from the S.

Clear. Low temperature around 72F. Dew point will be around 66F with an average humidity of 62%. Winds will be 5 mph from the SE.

Sunny. High temperature around 92F. Dew point will be around 66F with an average humidity of 55%. Winds will be 6 mph from the S.

Clear. Low temperature around 72F. Dew point will be around 65F with an average humidity of 58%. Winds will be 6 mph from the S.