10-Day Weather Forecast - Decatur, IA

Mostly cloudy with a chance of flurries in the morning then partly sunny in the afternoon. Highs in the lower 30s. North winds 5 to 10 mph.

Mostly cloudy. Lows around 16. North winds around 5 mph.

Partly sunny. Highs in the mid 30s. Northwest winds 5 to 10 mph.

Mostly cloudy. Lows in the lower 20s. Northwest winds around 5 mph becoming southwest after midnight.

Mostly sunny. Highs in the upper 40s.

Mostly clear. Lows in the lower 30s.

Sunny. Highs in the mid 40s.

Mostly clear in the evening then becoming partly cloudy. Lows around 20.

Mostly sunny. Highs in the lower 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

Mostly sunny. Highs in the mid 40s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs around 50.

Mostly clear. Low temperature around 31F. Dew point will be around 28F with an average humidity of 76%. Winds will be 8 mph from the S.

Mostly sunny. High temperature around 46F. Dew point will be around 33F with an average humidity of 74%. Winds will be 8 mph from the S.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 38F. Dew point will be around 36F with an average humidity of 86%. Winds will be 8 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 48F. Dew point will be around 41F with an average humidity of 84%. Winds will be 9 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 41F with an average humidity of 92%. Winds will be 7 mph from the S.