10-Day Weather Forecast - Decatur, IA

Sunny. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of rain. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Mostly sunny with a chance of rain in the morning then mostly cloudy with rain likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling into the upper 60s in the afternoon. Southwest winds 15 to 20 mph becoming northwest in the afternoon. Gusts up to 35 mph. Chance of rain 60 percent.

Mostly cloudy. A chance of showers mainly in the evening. Much cooler with lows in the upper 30s. North winds 15 to 20 mph. Gusts up to 35 mph in the evening. Chance of rain 50 percent.

Cloudy. A chance of showers in the morning then showers likely in the afternoon. Much cooler with highs in the upper 40s. Chance of rain 70 percent.

Rain. Lows in the mid 30s. Chance of rain 90 percent.

Rain likely mainly in the morning. Highs in the lower 50s. Chance of rain 70 percent.

Mostly cloudy. A chance of rain mainly in the evening. Lows in the mid 30s. Chance of rain 50 percent.

Partly sunny with a 40 percent chance of rain. Highs in the mid 60s.

Rain likely. A chance of thunderstorms mainly in the evening. Lows in the upper 40s. Chance of rain 70 percent.

Rain likely. Highs in the upper 50s. Chance of rain 70 percent.

Mostly cloudy. A chance of rain mainly in the evening. Lows in the mid 30s. Chance of rain 40 percent.

Mostly sunny. Highs in the lower 50s.

Clear. Low temperature around 39F. Dew point will be around 32F with an average humidity of 62%. Winds will be 3 mph from the S.

Sunny. High temperature around 64F. Dew point will be around 39F with an average humidity of 56%. Winds will be 9 mph from the S.

Clear. Low temperature around 44F. Dew point will be around 40F with an average humidity of 66%. Winds will be 8 mph from the S.

Partly cloudy. High temperature around 67F. Dew point will be around 45F with an average humidity of 61%. Winds will be 10 mph from the S.

Partly cloudy. Low temperature around 47F. Dew point will be around 43F with an average humidity of 69%. Winds will be 6 mph from the S.