Thursday
Sunny
High:
82°F
Sunny, with a high near 82.
Saint Charles, MO Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
60°F
Partly cloudy, with a low around 60.
Friday
Partly sunny
High:
84°F
Partly sunny, with a high near 84.
Friday Night
Partly cloudy
Overnight low:
65°F
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Saturday
Showers likely
High:
78°F
Saturday Night
Showers likely
Overnight low:
53°F
Sunday
Chance of showers and thunderstorms
High:
70°F
Sunday Night
Mostly clear
Overnight low:
48°F
Monday
Sunny
High:
76°F