| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 544 PM CDT Sun Aug 31 2025 | |
| Tonight: Partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph. Labor Day: Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph. Monday Night: Mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph. Tuesday: Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 20 percent. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable. Wednesday: Sunny. Highs in the mid 80s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Chance of rain 50 percent. Thursday: Mostly sunny. Cooler with highs in the mid 70s. Thursday Night Through Sunday: Mostly clear. Lows in the lower 50s. Highs around 80. | |
| Zone Forecast: Marion County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |