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City of Wentzville, MOWentzville, MO Weather Forecast
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Wentzville Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  | | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 858 AM CDT Thu Oct 01 2026 
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Issued: 558 AM CDT Thu Oct 1 2026
Key Messages
- Widespread showers and a few thunderstorms will overspread the area today into tonight. One to two inches of rain is likely across the area with locally higher amounts.
- There is a chance for flooding on the Mississippi and Missouri Rivers, as well as smaller rivers in the northeast Missouri due to heavy rainfall upstream.
- Above normal temperatures will continue today, however temperatures will fall back to normal or below normal Friday into the weekend.&&
.SHORT TERM /THROUGH FRIDAY/....