10-Day Weather Forecast - Alton, IA

Areas of frost in the morning. Mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph.

Partly cloudy in the evening then clearing. Widespread frost after midnight. Lows in the lower 30s. North winds 5 to 10 mph.

Widespread frost in the morning. Sunny warmer with highs in the mid 60s. West winds 5 to 10 mph.

Partly cloudy. Not as cool with lows in the mid 40s.

Mostly sunny. Highs around 70.

Mostly cloudy in the evening then clearing. Lows in the lower 40s.

Sunny breezy with highs in the lower 70s.

Partly cloudy. Lows in the lower 40s.

Mostly sunny. Highs in the mid 60s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s.

Mostly sunny and breezy. Highs in the upper 50s.

Mostly clear. Low temperature around 39F. Dew point will be around 28F with an average humidity of 52%. Winds will be 9 mph from the NW.

Sunny. High temperature around 65F. Dew point will be around 28F with an average humidity of 39%. Winds will be 11 mph from the NW.

Mostly clear. Low temperature around 43F. Dew point will be around 33F with an average humidity of 51%. Winds will be 6 mph from the NW.

Mostly sunny. High temperature around 69F. Dew point will be around 34F with an average humidity of 41%. Winds will be 9 mph from the NW.

Clear. Low temperature around 45F. Dew point will be around 35F with an average humidity of 53%. Winds will be 6 mph from the NW.

Sunny. High temperature around 69F. Dew point will be around 38F with an average humidity of 46%. Winds will be 4 mph from the NW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 41F with an average humidity of 60%. Winds will be 2 mph from the W.