Friday
Showers
High:
72°F
Showers, mainly after 7am. High near 72. East wind 7 to 9 mph. Chance of precipitation is 80%.
Saint Charles, MO Weather - Extended Forecast
Friday Night
Chance of showers
Overnight low:
58°F
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 58. Northeast wind around 6 mph becoming light and variable after midnight.
Saturday
Mostly cloudy
High:
81°F
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Saturday Night
Chance of thunderstorms
Overnight low:
61°F
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
Chance of showers
High:
80°F
Sunday Night
Slight chance of thunderstorms
Overnight low:
61°F
Memorial Day
Chance of showers
High:
81°F
Monday Night
Chance of showers
Overnight low:
64°F
Tuesday
Chance of showers
High:
84°F
Tuesday Night
Chance of thunderstorms
Overnight low:
66°F
Wednesday
Chance of thunderstorms
High:
86°F