| National Weather Service Forecast for:
Wentzville MO Issued by: National Weather Service Saint Louis, MO |
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| Updated: 12:31 am CST Dec 23, 2025 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 44. Southwest wind around 6 mph. |
| Tuesday |
Mostly sunny, with a high near 61. West wind 5 to 7 mph becoming light and variable in the afternoon. |
| Tuesday Night |
Mostly cloudy, with a low around 42. Calm wind becoming east around 5 mph after midnight. |
| Wednesday |
Mostly cloudy, with a high near 67. South wind 6 to 8 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 54. South wind around 6 mph becoming light and variable after midnight. |
| Christmas Day |
Partly sunny, with a high near 70. |
| Thursday Night |
Mostly cloudy, with a low around 59. |
| Friday |
Sunny, with a high near 70. |
| Friday Night |
Partly cloudy, with a low around 47. |
| Saturday |
Mostly cloudy, with a high near 71. |
| Saturday Night |
A 20 percent chance of rain. Mostly cloudy, with a low around 35. |
| Sunday |
Mostly sunny, with a high near 44. |
| Sunday Night |
Partly cloudy, with a low around 21. |
| Monday |
Mostly sunny, with a high near 36. |
Forecast from NOAA-NWS for Wentzville MO.
