Friday
Sunny
High:
88°F
Sunny, with a high near 88. Light and variable wind.
Saint Charles, MO Weather - Extended Forecast
Friday Night
Mostly clear
Overnight low:
69°F
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Calm wind.
Saturday
Chance of showers and thunderstorms
High:
87°F
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.
Saturday Night
Mostly clear
Overnight low:
67°F
Mostly clear, with a low around 67.
Sunday
Mostly sunny
High:
85°F
Sunday Night
Slight chance of thunderstorms
Overnight low:
67°F
Monday
Chance of showers and thunderstorms
High:
85°F
Monday Night
Partly cloudy
Overnight low:
69°F
Tuesday
Chance of showers and thunderstorms
High:
89°F
Tuesday Night
Partly cloudy
Overnight low:
70°F
Wednesday
Mostly sunny
High:
90°F