| NWS Forecast for: West Alton MO Issued by: National Weather Service Saint Louis, MO Last Update: 6:51 pm CST Feb 9, 2026 | |
| Tonight: Mostly clear, with a low around 42. South wind 6 to 8 mph. Tuesday: Sunny, with a high near 60. Southwest wind 6 to 13 mph becoming north in the morning. Winds could gust as high as 20 mph. Tuesday Night: Partly cloudy, with a low around 29. North wind 6 to 8 mph. Wednesday: Mostly sunny, with a high near 50. North wind around 6 mph. Wednesday Night: Mostly cloudy, with a low around 31. Light and variable wind. Thursday: Mostly cloudy, with a high near 46. Thursday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. Friday: Partly sunny, with a high near 47. Friday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34. Saturday: Rain likely, mainly after noon. Cloudy, with a high near 47. Chance of precipitation is 70%. Saturday Night: Rain. Low around 36. Chance of precipitation is 80%. Sunday: A 40 percent chance of rain. Mostly sunny, with a high near 52. Sunday Night: Mostly clear, with a low around 33. Washington's Birthday: Mostly sunny, with a high near 58. | |
| West Alton MO 38.86°N 90.22°W (Elev. 427 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |