| NWS Forecast for: Marion County Issued by: National Weather Service Saint Louis, MO Last Update: 833 AM CDT Wed Jun 24 2026 | |
| Today: Partly sunny this morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 30 percent. Tonight: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Thursday: Patchy fog in the morning. Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 80s. West winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Thursday Night: Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. East winds around 5 mph. Chance of rain 90 percent. Friday: Thunderstorms likely. Showers likely, mainly in the morning. Some thunderstorms may produce heavy rainfall. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 70 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. Chance of rain 50 percent. Saturday: Partly sunny with a slight chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Chance of rain 20 percent. Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. Chance of rain 20 percent. Sunday Through Tuesday: Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 110. | |
| Zone Forecast: Marion County | |
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