Saint Charles, MO Weather

Current Conditions

Partly cloudy

Temp:
78°F

Wind: From the S at 6 mph

Humidity: 74%
Pressure: 29.98 in

Visibility: 10 miles

Observed at: 11:51 pm CDT

Tuesday

Chance of showers

High:
92°F

A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 107. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

Tuesday Night

Mostly clear

Overnight low:
75°F

Mostly clear, with a low around 75. Southwest wind 5 to 7 mph.