Current Conditions
Temp:
35°F
Wind: Calm
Humidity: 100%
Pressure: 30.27 in
Observed at: 7:51 am CST
Saint Charles, MO Weather
Today
Areas frost and dense fog
High:
55°F
Widespread dense fog, mainly before 8am. Areas of frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Clear
Overnight low:
39°F
Clear, with a low around 39. South wind 3 to 6 mph.