10-Day Weather Forecast - Decatur, IA

Sunny with highs in the upper 80s. South winds 5 to 10 mph.

Partly cloudy in the evening then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows around 70. South winds 5 to 10 mph. Chance of rain 40 percent.

Partly sunny. A chance of showers and thunderstorms mainly in the morning. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Mostly cloudy in the morning then becoming partly sunny. A slight chance of thunderstorms. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Mostly cloudy in the evening then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent.

Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent.

Partly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 20 percent.

Sunny. Highs around 90.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the lower 90s.

Mostly clear with widespread thunderstorms. Chance of storms 100%. Low temperature around 72F. Dew point will be around 67F with an average humidity of 72%. Winds will be 5 mph from the S.

Sunny with widespread thunderstorms. Chance of storms 100%. High temperature around 92F. Dew point will be around 68F with an average humidity of 58%. Winds will be 3 mph from the S.

Clear with widespread thunderstorms. Chance of storms 100%. Low temperature around 70F. Dew point will be around 67F with an average humidity of 70%. Winds will be 2 mph from the S.

Sunny with widespread thunderstorms. Chance of storms 100%. High temperature around 90F. Dew point will be around 64F with an average humidity of 55%. Winds will be 2 mph from the SE.

Clear with a 100% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 65F with an average humidity of 70%. Winds will be 1 mph from the E.

Sunny with widespread thunderstorms. Chance of storms 100%. High temperature around 87F. Dew point will be around 64F with an average humidity of 57%. Winds will be 1 mph from the SE.

Clear with a 100% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 64F with an average humidity of 72%. Winds will be 1 mph from the E.