10-Day Weather Forecast - Chesterfield, MO

Sunny. Highs in the lower 90s. South winds around 5 mph.

Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph.

Sunny hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 103.

Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.

Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.

Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.

Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.

Partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening.

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

Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 70s. Chance of rain 30 percent.

Mostly sunny. A slight chance of showers in the morning then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 69F with an average humidity of 81%. Winds will be 6 mph from the N.

Sunny. High temperature around 81F. Dew point will be around 67F with an average humidity of 70%. Winds will be 5 mph from the NE.

Clear. Low temperature around 67F. Dew point will be around 66F with an average humidity of 80%. Winds will be 3 mph from the NE.

Sunny. High temperature around 83F. Dew point will be around 65F with an average humidity of 67%. Winds will be 1 mph from the NE.

Clear. Low temperature around 68F. Dew point will be around 65F with an average humidity of 74%. Winds will be 2 mph from the NE.

Sunny. High temperature around 85F. Dew point will be around 65F with an average humidity of 63%. Winds will be 1 mph from the W.

Clear. Low temperature around 68F. Dew point will be around 65F with an average humidity of 72%. Winds will be 1 mph from the N.