10-Day Weather Forecast - Alta, IA

Mostly cloudy with a chance of showers and thunderstorms in the morning then mostly sunny in the afternoon. Breezy and much warmer. Humid with highs in the mid 90s. Southeast winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent. Heat index values up to 104 in the afternoon.

Mostly clear. Humid with lows in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 105 early in the evening.

Sunny breezy hot with highs in the upper 90s. South winds 15 to 25 mph with gusts up to 35 mph. Heat index values up to 106 in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Breezy with lows in the mid 70s. South winds 15 to 25 mph with gusts up to 35 mph diminishing to 10 to 15 mph after midnight. Chance of rain 50 percent. Heat index values up to 105 early in the evening.

Mostly sunny. Highs in the mid 90s.

Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the lower 70s. Chance of rain 60 percent. Heat index values in the upper 90s early in the evening.

Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 30 percent.

Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

Mostly sunny. Highs in the lower 90s. Heat index values in the upper 90s.

Mostly clear in the evening then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values in the upper 90s early in the evening.

Sunny. Highs in the mid 90s. Heat index values up to 100.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 70s. Heat index values up to 100 early in the evening.

Sunny. Highs in the lower 90s. Heat index values up to 100.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 70F with an average humidity of 69%. Winds will be 9 mph from the S.

Sunny with a 30% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 69F with an average humidity of 60%. Winds will be 8 mph from the S.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 67F with an average humidity of 67%. Winds will be 5 mph from the S.

Sunny with a 25% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 66F with an average humidity of 60%. Winds will be 2 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 68F. Dew point will be around 65F with an average humidity of 67%. Winds will be 2 mph from the S.