7-Day Zone Forecast for Marion County (Text-Only)
NWS Forecast for: Marion County
Issued by: National Weather Service Saint Louis, MO
Last Update: 208 PM CDT Wed Oct 14 2026


This Afternoon: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the upper 70s. Northwest winds around 5 mph. Chance of rain 30 percent.

Tonight: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 50 percent.

Thursday: Cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. East winds around 5 mph, increasing to south 10 to 15 mph in the afternoon. Chance of rain 70 percent.

Thursday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Much cooler with lows in the lower 50s. Southwest winds 5 to 10 mph, increasing to west 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 50 percent.

Friday: Mostly cloudy and breezy. Much cooler. Less humid with highs in the upper 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Friday Night: Partly cloudy. Cooler with lows around 40.

Saturday: Sunny. Highs in the lower 60s.

Saturday Night And Sunday: Clear. Lows in the mid 30s. Highs in the upper 60s.

Sunday Night: Mostly clear. Lows around 40.

Monday Through Tuesday: Partly cloudy. Highs in the mid 70s. Lows in the mid 40s.







Zone Forecast: Marion County

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