Saint Charles, MO Weather - Extended Forecast

Thursday

Slight chance of thunderstorms

High:
79°F

A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Thursday Night

Showers likely

Overnight low:
48°F

Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 48. Breezy. Chance of precipitation is 70%.

Friday

Partly sunny

High:
64°F

Partly sunny, with a high near 64.

Friday Night

Chance of showers and thunderstorms

Overnight low:
46°F

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

Saturday

Partly sunny

High:
61°F

Saturday Night

Mostly cloudy

Overnight low:
41°F

Sunday

Mostly sunny

High:
62°F

Sunday Night

Mostly clear

Overnight low:
41°F

Monday

Sunny

High:
69°F