10-Day Weather Forecast - Decatur, IA

Mostly sunny. Highs around 50. West winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph.

Partly sunny. Highs in the upper 50s. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. Lows around 30. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly sunny and breezy. Much cooler with highs in the mid 30s.

Mostly clear. Lows 15 to 20.

Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 30s.

Mostly cloudy. Near steady temperature around 30.

Partly sunny with a slight chance of snow in the morning then mostly cloudy with a chance of snow in the afternoon. Highs in the upper 30s. Chance of snow 30 percent.

Mostly cloudy. Lows around 15.

Mostly sunny. Highs in the mid 20s.

Partly cloudy. Lows around 10 above.

Mostly sunny. Highs in the lower 30s.

Clear. Low temperature around 13F. Dew point will be around 5F with an average humidity of 62%. Winds will be 3 mph from the W.

Sunny. High temperature around 24F. Dew point will be around 8F with an average humidity of 56%. Winds will be 5 mph from the NW.

Clear. Low temperature around 16F. Dew point will be around 10F with an average humidity of 66%. Winds will be 2 mph from the SE.

Sunny. High temperature around 28F. Dew point will be around 12F with an average humidity of 58%. Winds will be 3 mph from the S.

Clear. Low temperature around 21F. Dew point will be around 15F with an average humidity of 70%. Winds will be 6 mph from the SE.