| National Weather Service Forecast for:
Mehlville MO Issued by: National Weather Service Saint Louis, MO |
||||||||||||||||||
| Updated: 10:06 pm CST Dec 16, 2025 | ||||||||||||||||||
|
| Tonight |
Mostly cloudy, with a low around 37. Southwest wind 5 to 7 mph. |
| Wednesday |
Sunny, with a high near 55. Calm wind becoming southeast around 6 mph in the afternoon. |
| Wednesday Night |
A 30 percent chance of showers after midnight. Increasing clouds, with a temperature falling to near 44 by 9pm, then rising to around 52 during the remainder of the night. South wind 6 to 11 mph, with gusts as high as 23 mph. |
| Thursday |
Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 3pm. Temperature falling to around 44 by 5pm. South wind 11 to 14 mph becoming west in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%. |
| Thursday Night |
Partly cloudy, with a low around 23. West wind 8 to 14 mph, with gusts as high as 26 mph. |
| Friday |
Sunny, with a high near 39. |
| Friday Night |
Partly cloudy, with a low around 34. |
| Saturday |
Mostly sunny, with a high near 56. |
| Saturday Night |
Partly cloudy, with a low around 32. |
| Sunday |
Mostly sunny, with a high near 46. |
| Sunday Night |
Mostly cloudy, with a low around 32. |
| Monday |
Partly sunny, with a high near 47. |
| Monday Night |
Mostly cloudy, with a low around 39. |
| Tuesday |
Partly sunny, with a high near 57. |
Forecast from NOAA-NWS for Mehlville MO.
