| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 909 AM CDT Wed Aug 5 2026 |  |
Rest Of Today: Numerous thunderstorms. Showers. Highs in the mid 80s. East winds 5 to 10 mph, becoming southwest this afternoon. Chance of rain near 100 percent. Tonight: Mostly cloudy. Scattered showers and thunderstorms in the evening, then showers and numerous thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. North winds around 5 mph. Chance of rain 90 percent. Thursday: Mostly cloudy with numerous thunderstorms and scattered showers in the morning, then partly sunny in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 70 percent. Thursday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Friday: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent. Friday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. Saturday: Sunny. Highs in the upper 80s. Saturday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Sunday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon. Sunday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Monday: Sunny. Highs in the lower 90s. Heat index values up to 105. Monday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. | |
| Zone Forecast: Marion County | |
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