10-Day Weather Forecast - Alton, IA

Mostly sunny. Highs in the lower 30s. South winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the mid 20s. South winds 10 to 15 mph becoming west 5 to 10 mph after midnight.

Partly sunny in the morning then clearing. Highs in the mid 30s. Northwest winds 10 to 15 mph.

Mostly clear. Cooler with lows around 15. West winds 5 to 10 mph.

Mostly sunny. Highs in the mid 30s.

Mostly cloudy in the evening then becoming partly cloudy. Not as cool. Near steady temperature in the lower 30s.

Mostly sunny. Not as cool with highs in the mid 40s.

Partly cloudy. Lows around 30.

Partly sunny. Highs in the mid 40s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 40s.

Mostly cloudy. Lows in the lower 30s.

Partly sunny. Highs in the mid 40s.

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

Partly cloudy. High temperature around 40F. Dew point will be around 28F with an average humidity of 70%. Winds will be 4 mph from the S.

Partly cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 76%. Winds will be 4 mph from the S.

Mostly cloudy. High temperature around 39F. Dew point will be around 25F with an average humidity of 66%. Winds will be 1 mph from the N.

Mostly cloudy. Low temperature around 26F. Dew point will be around 23F with an average humidity of 77%. Winds will be 2 mph from the N.