10-Day Weather Forecast - Sioux City, IA

Patchy fog in the morning. Mostly cloudy in the morning then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 20 percent.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. North winds around 5 mph. Chance of rain 20 percent.

Mostly sunny. Humid with highs in the lower 80s. North winds around 5 mph becoming west around 5 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

Mostly sunny. Highs in the mid 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Mostly clear. Lows in the upper 60s.

Sunny. Highs around 90.

Mostly clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 74F. Dew point will be around 69F with an average humidity of 72%. Winds will be 7 mph from the SE.

Mostly sunny. High temperature around 87F. Dew point will be around 70F with an average humidity of 69%. Winds will be 5 mph from the S.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 70F. Dew point will be around 70F with an average humidity of 81%. Winds will be 5 mph from the SE.

Mostly sunny. High temperature around 86F. Dew point will be around 71F with an average humidity of 73%. Winds will be 6 mph from the SE.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 70F with an average humidity of 78%. Winds will be 6 mph from the E.

Sunny. High temperature around 85F. Dew point will be around 70F with an average humidity of 72%. Winds will be 5 mph from the SE.

Clear. Low temperature around 70F. Dew point will be around 69F with an average humidity of 77%. Winds will be 7 mph from the SE.