10-Day Weather Forecast - Sumner, IA

Partly sunny in the morning then clearing. Highs in the lower 40s. West winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature in the lower 30s. Southwest winds 10 to 15 mph.

Partly sunny. Highs in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy and windy. Lows in the mid 20s. Northwest winds 20 to 30 mph.

Mostly cloudy in the morning then becoming mostly sunny. Windy cooler. Near steady temperature in the mid 20s.

Mostly clear. Lows 10 to 15.

Partly sunny in the morning then mostly cloudy with a slight chance of snow in the afternoon. Highs in the upper 20s. Chance of snow 20 percent.

Mostly cloudy with a 40 percent chance of snow. Near steady temperature in the mid 20s.

Mostly cloudy with a 50 percent chance of snow. Highs in the lower 30s.

Mostly cloudy. Lows around 10 above.

Mostly cloudy. Cooler with highs 15 to 20.

Mostly cloudy in the evening then becoming partly cloudy. Lows 5 to 10 above.

Partly sunny. Highs in the lower 20s.

Cloudy. Low temperature around 6F. Dew point will be around 2F with an average humidity of 79%. Winds will be 8 mph from the W.

Partly cloudy. High temperature around 14F. Dew point will be around 4F with an average humidity of 73%. Winds will be 8 mph from the NW.

Clear. Low temperature around 8F. Dew point will be around 6F with an average humidity of 83%. Winds will be 4 mph from the W.

Mostly sunny. High temperature around 19F. Dew point will be around 8F with an average humidity of 72%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 15F. Dew point will be around 12F with an average humidity of 83%. Winds will be 3 mph from the S.