Weather Forecast for
Saint Charles County, MO


This Afternoon: Sunny, with a high near 91. South wind 3 to 5 mph.

Tonight: Mostly clear, with a low around 72. Light southeast wind.

Sunday: Sunny, with a high near 94. Heat index values as high as 103. South wind 5 to 11 mph.

Sunday Night: Mostly clear, with a low around 76. South wind 7 to 10 mph.

Monday: Sunny, with a high near 96. Southwest wind 6 to 10 mph.

Monday Night: Partly cloudy, with a low around 77.

Tuesday: Mostly sunny, with a high near 95.

Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76.

Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.

Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

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