10-Day Weather Forecast - Clayton, MO

Mostly sunny. A slight chance of showers in the morning. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 111.

Partly cloudy in the evening, then clearing. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 109 early in the evening.

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 110.

Mostly clear with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 50 percent. Heat index values up to 109 early in the evening.

Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110 in the afternoon.

Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.

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

Partly cloudy. Hot. Lows in the mid 70s. Heat index values up to 110.

Partly cloudy. Hot. Highs in the upper 90s. Heat index values up to 110.

Mostly clear. Hot. Lows in the upper 70s. Heat index values up to 110.

Mostly clear. Hot. Highs in the mid 90s. Heat index values up to 110.

Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 105 early in the evening.

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 71F with an average humidity of 80%. Winds will be 4 mph from the NE.

Mostly sunny. High temperature around 85F. Dew point will be around 70F with an average humidity of 70%. Winds will be 3 mph from the E.

Clear. Low temperature around 73F. Dew point will be around 69F with an average humidity of 75%. Winds will be 2 mph from the E.

Sunny. High temperature around 89F. Dew point will be around 70F with an average humidity of 65%. Winds will be 1 mph from the S.

Clear. Low temperature around 74F. Dew point will be around 70F with an average humidity of 70%. Winds will be 1 mph from the SE.