10-Day Weather Forecast - Knoxville, IA

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 115.

Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 111 early in the evening.

Sunny hot with highs in the mid 90s. Southwest winds around 10 mph. Heat index values up to 111.

Mostly clear. Humid with lows in the lower 70s. North winds 5 to 10 mph. Heat index values up to 110 early in the evening.

Mostly sunny. Highs around 90.

Mostly clear. Lows in the upper 60s.

Sunny. Highs around 90.

Mostly clear. Lows in the upper 60s.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.

Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.

Mostly clear in the evening then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers mainly in the evening. Lows in the upper 60s. Chance of rain 30 percent.

Sunny. Highs in the upper 80s.

Clear. Low temperature around 66F. Dew point will be around 64F with an average humidity of 73%. Winds will be 3 mph from the SE.

Sunny. High temperature around 85F. Dew point will be around 64F with an average humidity of 62%. Winds will be 3 mph from the SE.

Clear. Low temperature around 69F. Dew point will be around 64F with an average humidity of 68%. Winds will be 5 mph from the SE.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 87F. Dew point will be around 65F with an average humidity of 61%. Winds will be 5 mph from the S.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 63F with an average humidity of 61%. Winds will be 4 mph from the S.