| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 1128 AM CDT Wed Aug 19 2026 | |
| This Afternoon: Mostly cloudy. A slight chance of showers and thunderstorms early, then a chance of showers and thunderstorms. Highs around 80. South winds around 5 mph. Chance of rain 50 percent. Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Patchy fog after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 50 percent. Thursday: Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph. Thursday Night: Mostly clear. Lows in the mid 60s. East winds around 5 mph in the evening, becoming light and variable. Friday: Sunny. Highs in the mid 80s. Southwest winds around 5 mph. Friday Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent. Saturday: Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 80s. Chance of rain 20 percent. Saturday Night: Mostly clear. Lows in the mid 60s. Sunday: Mostly sunny. Highs around 80. Sunday Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. Monday Through Tuesday: Partly cloudy. Highs in the mid 80s. Lows in the mid 60s. | |
| Zone Forecast: Marion County | |
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