Saturday
Slight chance of thunderstorms
High:
82°F
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind 14 to 18 mph, with gusts as high as 31 mph.
Saint Charles, MO Weather - Tomorrow’s Forecast
Saturday Night
Mostly cloudy
Overnight low:
69°F
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69. South wind 11 to 14 mph, with gusts as high as 24 mph.