| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 128 PM CDT Tue Jun 9 2026 | |
| This Afternoon: Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 100. Tonight: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 100 early in the evening. Wednesday: Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 102. Wednesday Night: Mostly clear. Lows in the mid 70s. Southwest winds 10 to 15 mph. Thursday: Sunny with highs in the lower 90s. Southwest winds 15 to 20 mph. Heat index values up to 102. Thursday Night: Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 70 percent. Friday And Friday Night: Mostly clear. Highs in the lower 80s. Lows in the lower 60s. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Saturday Night: Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. Sunday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. Sunday Night: Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 60s. Chance of rain 50 percent. Monday: Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent. | |
| Zone Forecast: Marion County | |
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