10-Day Weather Forecast - Alton, IA

Mostly sunny. Not as cool with highs in the lower 30s. Southwest winds 5 to 10 mph becoming northwest in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 18. Temperature rising into the mid 20s after midnight. Southwest winds 5 to 10 mph.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 30s. Southwest winds 5 to 10 mph becoming west in the afternoon.

Partly cloudy. Lows in the lower 20s.

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

Mostly cloudy. A chance of rain in the evening. Breezy with lows in the upper 20s. Chance of rain 30 percent.

Mostly sunny and breezy. Highs in the lower 30s. Temperature falling to around 20 in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Much colder with lows 5 to 10 above. Temperature rising to around 15 after midnight.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 30s.

Mostly cloudy. Not as cool with lows in the lower 20s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 30s.

Mostly clear. Low temperature around 18F. Dew point will be around 20F with an average humidity of 71%. Winds will be 9 mph from the NW.

Sunny. High temperature around 30F. Dew point will be around 14F with an average humidity of 60%. Winds will be 8 mph from the S.

Partly cloudy. Low temperature around 26F. Dew point will be around 17F with an average humidity of 66%. Winds will be 12 mph from the S.

Partly cloudy. High temperature around 36F. Dew point will be around 23F with an average humidity of 65%. Winds will be 10 mph from the S.

Partly cloudy. Low temperature around 25F. Dew point will be around 20F with an average humidity of 74%. Winds will be 5 mph from the SW.

Partly cloudy. High temperature around 31F. Dew point will be around 19F with an average humidity of 66%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 21F. Dew point will be around 15F with an average humidity of 69%. Winds will be 4 mph from the SW.