10-Day Weather Forecast - North Sioux City, SD

Sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. South winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 104 in the afternoon.

Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 102 early in the evening.

Sunny with highs in the lower 90s. Southeast winds 5 to 10 mph. Heat index values up to 102 in the afternoon.

Partly cloudy. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Heat index values up to 101 early in the evening.

Mostly sunny. Highs in the lower 90s. Heat index values up to 100 in the afternoon.

Mostly clear in the evening, then becoming partly cloudy. Lows around 70. Heat index values up to 100 early in the evening.

Mostly sunny. Highs around 90.

Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 40 percent.

Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s.

Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 70s. Chance of rain 40 percent.

Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs in the upper 80s. Chance of rain 40 percent.

Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Low temperature around 65F. Dew point will be around 65F with an average humidity of 82%. Winds will be 2 mph from the W.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 78F. Dew point will be around 62F with an average humidity of 70%. Winds will be 3 mph from the SW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 62F. Dew point will be around 61F with an average humidity of 76%. Winds will be 2 mph from the SW.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 73F. Dew point will be around 60F with an average humidity of 74%. Winds will be 3 mph from the SW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 60F with an average humidity of 81%. Winds will be 3 mph from the SW.