10-Day Weather Forecast - Marengo, IA

Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 107.

Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming southeast around 5 mph after midnight. Heat index values up to 105 early in the evening.

Sunny, hot with highs in the lower 90s. Northeast winds around 5 mph. Heat index values up to 101.

Mostly clear. Humid with lows in the upper 60s. East winds around 5 mph.

Partly cloudy. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Partly cloudy. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. A chance of showers in the morning. Hot with highs in the mid 90s. Chance of rain 30 percent.

Partly cloudy. A chance of showers. Hot. Lows in the lower 70s. Chance of rain 50 percent.

Partly cloudy. A chance of showers. Hot. Highs around 90. Chance of rain 50 percent.

Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.

Mostly sunny. Highs in the mid 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 64F. Dew point will be around 63F with an average humidity of 78%. Winds will be 2 mph from the E.

Mostly sunny. High temperature around 79F. Dew point will be around 62F with an average humidity of 69%. Winds will be 3 mph from the E.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 73%. Winds will be 5 mph from the SE.

Sunny. High temperature around 81F. Dew point will be around 63F with an average humidity of 66%. Winds will be 4 mph from the S.

Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 65F. Dew point will be around 63F with an average humidity of 75%. Winds will be 4 mph from the SE.