10-Day Weather Forecast - Grimes, IA

Sunny with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 102.

Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 101 early in the evening.

Sunny with highs in the lower 90s. Northwest winds 5 to 10 mph. Heat index values up to 102.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the lower 90s.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 70s.

Mostly sunny. A slight chance of showers in the morning. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.

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

Sunny. Highs in the upper 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Low temperature around 65F. Dew point will be around 60F with an average humidity of 77%. Winds will be 3 mph from the E.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 86F. Dew point will be around 65F with an average humidity of 65%. Winds will be 4 mph from the SE.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 80%. Winds will be 5 mph from the E.

Sunny. High temperature around 88F. Dew point will be around 68F with an average humidity of 66%. Winds will be 4 mph from the E.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 78%. Winds will be 3 mph from the E.

Sunny. High temperature around 88F. Dew point will be around 68F with an average humidity of 66%. Winds will be 3 mph from the E.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 78%. Winds will be 4 mph from the E.