| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 1034 PM CDT Mon Oct 19 2026 |  |
| Overnight: Mostly clear late this evening, then becoming mostly cloudy. Near steady temperature in the upper 40s. East winds around 5 mph. Tuesday: Sunny. Highs in the lower 70s. Light and variable winds. Tuesday Night: Mostly clear. Lows in the mid 40s. Light and variable winds. Wednesday: Sunny. Highs in the mid 70s. Light and variable winds. Wednesday Night: Clear. Lows in the mid 40s. Light and variable winds. Thursday Through Friday: Clear. Highs in the mid 70s. Lows in the upper 40s. Friday Night And Saturday: Mostly clear. Lows in the upper 40s. Highs in the mid 70s. Saturday Night Through Monday: Partly cloudy. Lows around 50. Highs in the mid 70s. | |
| Zone Forecast: Marion County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |