10-Day Weather Forecast - Grain Valley, MO

Sunny. Highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 103 in the afternoon.

Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 102 early in the evening.

Sunny. Highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 102.

Mostly clear. Lows in the mid 70s. Highs in the mid 90s.

Mostly clear. Lows in the mid 70s. Highs in the mid 90s.

Mostly clear. Lows in the mid 70s. Highs in the mid 90s.

Partly cloudy. Highs in the lower 90s. Lows in the lower 70s.

Partly cloudy. Highs in the lower 90s. Lows in the lower 70s.

Partly cloudy. Highs in the lower 90s. Lows in the lower 70s.

Partly cloudy. Highs in the lower 90s. Lows in the lower 70s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Low temperature around 66F. Dew point will be around 68F with an average humidity of 87%. Winds will be 6 mph from the NE.

Sunny. High temperature around 83F. Dew point will be around 67F with an average humidity of 75%. Winds will be 6 mph from the NE.

Clear. Low temperature around 64F. Dew point will be around 66F with an average humidity of 87%. Winds will be 4 mph from the E.

Sunny. High temperature around 83F. Dew point will be around 66F with an average humidity of 72%. Winds will be 2 mph from the NE.

Clear. Low temperature around 65F. Dew point will be around 66F with an average humidity of 79%. Winds will be 1 mph from the E.

Sunny. High temperature around 85F. Dew point will be around 66F with an average humidity of 67%. Winds will be 1 mph from the NE.

Clear. Low temperature around 65F. Dew point will be around 66F with an average humidity of 79%. Winds will be 2 mph from the NE.