Sunday
Showers
High:
79°F
Showers and possibly a thunderstorm before 1pm, then rain and possibly a thunderstorm after 1pm. High near 79. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Saint Charles, MO Weather - Tomorrow’s Forecast
Sunday Night
Chance of thunderstorms
Overnight low:
41°F
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 41. Northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.