| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 1023 AM CDT Wed Jul 22 2026 |  |
| Rest Of Today: Sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. Tonight: Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds around 5 mph. Thursday: Sunny. Highs around 80. Northeast winds around 5 mph. Thursday Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable. Friday: Partly sunny in the morning, then becoming mostly cloudy. A 40 percent chance of showers. Highs in the upper 70s. Light and variable winds. Friday Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent. Saturday Night: Mostly clear. Lows in the lower 70s. Sunday: Mostly sunny. Highs in the mid 90s. Heat index values up to 110. Sunday Night: Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. Monday: Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110 in the afternoon. Monday Night: Mostly clear. Lows in the lower 70s. Heat index values up to 110 early in the evening. Tuesday: Mostly sunny. Highs in the lower 90s. Heat index values up to 100. | |
| Zone Forecast: Marion County | |
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