| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 909 PM CDT Tue Jul 7 2026 | |
| Tonight: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the upper 60s. Northeast winds around 5 mph this evening, becoming light and variable. Chance of rain 20 percent. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Light and variable winds. Chance of rain 20 percent. Wednesday Night: Mostly clear. Lows around 70. Light and variable winds, becoming south around 5 mph after midnight. Thursday: Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 102. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent. Heat index values up to 100 early in the evening. Friday And Friday Night: Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 70 percent. Heat index values up to 100. Saturday And Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 50 percent. Sunday: Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. Sunday Night And Monday: Mostly clear. Lows in the upper 60s. Highs in the upper 80s. Monday Night: Clear. Lows around 70. Tuesday: Sunny. Highs around 90. Heat index values up to 100. | |
| Zone Forecast: Marion County | |
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