Weather Forecast for
Saint Charles County, MO


Overnight: A 20 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 67. Calm wind.

Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 68. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 90%.

Friday: Showers and possibly a thunderstorm. High near 83. Southeast wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.

Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

Sunday: Sunny, with a high near 96.

Sunday Night: Mostly clear, with a low around 75.

Monday: Sunny and hot, with a high near 98.

Monday Night: Mostly clear, with a low around 76.

Tuesday: Sunny and hot, with a high near 98.

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

Wednesday: Sunny and hot, with a high near 98.

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