| National Weather Service Forecast for:
Mehlville MO Issued by: National Weather Service Saint Louis, MO |
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| Updated: 3:01 am CST Dec 22, 2025 | ||||||||||||||||||
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| Today |
Increasing clouds, with a high near 55. South wind 5 to 8 mph. |
| Tonight |
Partly cloudy, with a low around 46. South wind 3 to 7 mph. |
| Tuesday |
Mostly sunny, with a high near 64. Southwest wind around 5 mph becoming calm in the afternoon. |
| Tuesday Night |
Mostly cloudy, with a low around 48. Light and variable wind. |
| Wednesday |
Mostly cloudy, with a high near 71. Light and variable wind becoming south 5 to 7 mph in the morning. |
| Wednesday Night |
Partly cloudy, with a low around 58. |
| Christmas Day |
Mostly sunny, with a high near 75. |
| Thursday Night |
Partly cloudy, with a low around 59. |
| Friday |
Sunny, with a high near 68. |
| Friday Night |
Mostly cloudy, with a low around 49. |
| Saturday |
A 20 percent chance of rain. Mostly cloudy, with a high near 67. |
| Saturday Night |
A 30 percent chance of rain. Mostly cloudy, with a low around 39. |
| Sunday |
Mostly sunny, with a high near 46. |
Forecast from NOAA-NWS for Mehlville MO.
