10-Day Weather Forecast - Saint Charles, IA

Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.

Partly cloudy in the evening, then clearing. Humid with lows in the lower 70s. South winds around 5 mph. Heat index values up to 104 early in the evening.

Sunny with highs in the mid 90s. Light and variable winds, becoming northeast around 5 mph in the afternoon. Heat index values up to 104.

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

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.

Partly cloudy. Lows around 70.

Mostly sunny. Highs in the lower 90s.

Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.

Partly sunny in the morning, then clearing. A slight chance of showers and thunderstorms. Hot with highs in the upper 90s. Chance of rain 20 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 40 percent.

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.

Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.

Mostly sunny with a 20 percent chance of showers. Highs in the upper 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 70F with an average humidity of 92%. Winds will be 4 mph from the SE.

Mostly sunny. High temperature around 82F. Dew point will be around 71F with an average humidity of 84%. Winds will be 5 mph from the SE.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 69F with an average humidity of 86%. Winds will be 7 mph from the S.

Sunny. High temperature around 81F. Dew point will be around 71F with an average humidity of 84%. Winds will be 6 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 69F with an average humidity of 89%. Winds will be 6 mph from the S.