Weather Forecast for
Zip Code 63303 Saint Charles, MO

Tonight: Mostly cloudy, with a low around 64. Light southeast wind.

Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 83. Light and variable wind becoming south around 6 mph in the morning.

Wednesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Mostly clear, with a low around 66. Light southwest wind. Chance of precipitation is 30%.

Thursday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 85. Light south wind. Chance of precipitation is 70%.

Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%.

Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 82. Chance of precipitation is 80%.

Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

Saturday Night: Partly cloudy, with a low around 74.

Sunday: Sunny, with a high near 95.

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

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

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

Tuesday: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.

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