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Fairmont, MO 7-Day Night Weather Forecast
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Fairmont, MO Weather Forecast
Fairmont, MO Weather Forecast Date: 531 AM CDT Fri Sep 18 2026
The area/counties/county of: Clark, including the city of Kahoka.or toggle through each period.
Today... Patchy fog this morning. Cloudy with a slight chance of showers and thunderstorms this morning, then mostly sunny this afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 20%.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows around 70. Southeast winds around 5 mph. Chance of rain 20%.
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Humid with highs in the upper 80s. Southwest winds around 5 mph. Heat index values up to 100 in the afternoon.
Saturday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers after midnight. Humid with lows in the upper 60s. North winds around 5 mph. Chance of rain 90%.
Sunday... Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. North winds around 5 mph. Chance of rain 90%.
Sunday Night... A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows around 60. Chance of rain 70%.
Monday... Showers likely, mainly in the morning. Not as warm with highs in the mid 60s. Chance of rain 70%.
Monday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 50%.
Tuesday... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Wednesday... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
POP = Probability of Precipitation
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