National Weather Service Forecast for: Wentzville MO
Issued by: National Weather Service Saint Louis, MO
Updated: 2:36 pm CDT May 31, 2025
 
Tonight

Tonight: Isolated showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 59. West wind 3 to 7 mph. Chance of precipitation is 20%.
Isolated
T-storms
 Sunday

Sunday: Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming light and variable in the evening.
Partly Cloudy
 Monday

Monday: Sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the morning.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 68. South wind around 8 mph.
Mostly Clear
 Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90.
Chance
T-storms
 Tuesday
Night
Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
T-storms
Likely
 Wednesday

Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
T-storms
Likely
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely. Cloudy, with a low around 65. Chance of precipitation is 70%.
T-storms
Likely
Lo 59 °F Hi 84 °F Lo 61 °F Hi 88 °F Lo 68 °F Hi 90 °F Lo 70 °F Hi 80 °F Lo 65 °F

Hazardous Weather Outlook
 

Tonight
 
 Isolated showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 59. West wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday
 
 Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph.
Sunday Night
 
 Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming light and variable in the evening.
Monday
 
 Sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
 
 Mostly clear, with a low around 68. South wind around 8 mph.
Tuesday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90.
Tuesday Night
 
 Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
 
 Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
 
 Showers and thunderstorms likely. Cloudy, with a low around 65. Chance of precipitation is 70%.
Thursday
 
 Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
 
 A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Friday Night
 
 A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.

 

Forecast from NOAA-NWS for Wentzville MO.