Weather Forecast for
Zip Code 63021 Ballwin, MO


Today: Sunny and hot, with a high near 98. Heat index values as high as 109. Southwest wind around 7 mph.

Tonight: Partly cloudy, with a low around 79. South wind 3 to 5 mph.

Wednesday: Isolated showers and thunderstorms between 8am and 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 111. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

Wednesday Night: Isolated showers and thunderstorms before 3am, then isolated showers and thunderstorms after 5am. Partly cloudy, with a low around 77. South wind 3 to 5 mph. Chance of precipitation is 20%.

Thursday: Mostly sunny, with a high near 96. Light and variable wind becoming southwest around 5 mph in the morning.

Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75.

Friday: Partly sunny, with a high near 94.

Friday Night: Partly cloudy, with a low around 76.

Saturday: Mostly sunny and hot, with a high near 98.

Saturday Night: Mostly clear, with a low around 77.

Sunday: Sunny and hot, with a high near 97.

Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

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