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Marion, MO Weather Forecast
Marion, MO Weather Forecast Date: 247 AM CDT Wed Sep 09 2026
The area/counties/county of: Boone County Mo, including the cities of: Columbia and Jefferson City.or toggle through each period.
Today... Mostly sunny. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. West winds 5 to 10 mph, becoming northwest this afternoon. Chance of rain 50%. Heat index values up to 101.
Tonight... Thunderstorms likely. Showers with lows around 70. North winds around 5 mph. Chance of rain near 100%.
Thursday... Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Cooler with highs around 80. Northeast winds around 5 mph. Chance of rain near 100%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph.
Friday Night... Mostly clear in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40%.
Saturday... A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 70%.
Saturday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50%.
Sunday... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50%.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the lower 70s.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 100.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50%.
POP = Probability of Precipitation
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