Saint Charles 5 Day Forecast

Day
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rain. High near 82. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Night
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph becoming south after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.