Saint Charles Weather Forecast
- 41
- 62
Sunny
- 54
- 69
Mostly Cloudy
- 64
- 75
Slight Chance Thunderstorms
- 55
- 84
Chance Thunderstorms
- 53
- 67
Chance Rain Showers
- 55
- 73
Chance Rain Showers
Today 15 Apr St. Charles
Sunny. Highs in the lower 60s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 15 Apr St. Charles
Clear. Lows around 40. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.