10-Day Weather Forecast - Decatur, IA

Mostly sunny. Highs in the mid 40s. North winds 15 to 20 mph with gusts up to 35 mph.

Mostly clear. Cooler with lows around 18. North winds 5 to 10 mph.

Mostly sunny. Highs in the upper 30s. Southeast winds 5 to 10 mph.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. South winds 5 to 10 mph.

Mostly sunny. Highs in the lower 50s.

Mostly clear. Lows in the lower 30s.

Sunny. Highs in the lower 60s.

Mostly clear. Lows around 40.

Mostly sunny. A slight chance of rain in the afternoon. Highs around 60. Chance of rain 20 percent.

Mostly cloudy with a 30 percent chance of rain. Lows in the lower 30s.

Mostly cloudy with a 30 percent chance of rain. Highs in the upper 40s.

Mostly cloudy with a 40 percent chance of rain. Lows in the upper 20s.

Mostly cloudy with a 40 percent chance of rain. Highs in the mid 40s.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 32F. Dew point will be around 31F with an average humidity of 84%. Winds will be 5 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 44F. Dew point will be around 34F with an average humidity of 79%. Winds will be 3 mph from the NE.

Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 31F. Dew point will be around 31F with an average humidity of 87%. Winds will be 4 mph from the NE.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 44F. Dew point will be around 33F with an average humidity of 76%. Winds will be 3 mph from the N.

Clear. Low temperature around 30F. Dew point will be around 28F with an average humidity of 81%. Winds will be 2 mph from the S.