10-Day Weather Forecast - Ballwin, MO

Sunny. Highs around 80. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s.

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs in the upper 80s.

Mostly clear. Lows in the upper 60s. Highs around 90. Heat index values up to 100.

Mostly clear. Lows in the upper 60s. Highs around 90. Heat index values up to 100.

Mostly clear. Low temperature around 73F. Dew point will be around 70F with an average humidity of 79%. Winds will be 5 mph from the S.

Sunny with a 25% chance for rain and thunderstorms. High temperature around 96F. Dew point will be around 74F with an average humidity of 65%. Winds will be 6 mph from the S.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 69F with an average humidity of 68%. Winds will be 6 mph from the S.

Sunny with a 35% chance for rain and thunderstorms. High temperature around 96F. Dew point will be around 73F with an average humidity of 62%. Winds will be 6 mph from the SW.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 70F with an average humidity of 69%. Winds will be 5 mph from the SW.

Sunny with a 30% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 73F with an average humidity of 64%. Winds will be 5 mph from the SW.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 69F with an average humidity of 70%. Winds will be 4 mph from the SW.