Saint Charles, MO Weather - Extended Forecast

Monday

Sunny

High:
70°F

Sunny, with a high near 70. Light southwest wind increasing to 6 to 11 mph in the morning.

Monday Night

Partly cloudy

Overnight low:
53°F

Partly cloudy, with a low around 53.

Tuesday

Chance of showers

High:
73°F

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.

Tuesday Night

Slight chance of thunderstorms

Overnight low:
46°F

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 46.

Wednesday

Mostly sunny

High:
67°F

Wednesday Night

Partly cloudy

Overnight low:
45°F

Thursday

Chance of showers

High:
68°F

Thursday Night

Chance of showers

Overnight low:
53°F

Friday

Chance of showers

High:
75°F