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Mercer, MO 7-Day Night Weather Forecast
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Mercer, MO Weather Forecast
Mercer, MO Weather Forecast Date: 337 PM CDT Wed Sep 16 2026
The area/counties/county of: Harrison, including the cities of: Bethany, Princeton, Mercer, Gallatin, Jamesport, and Trenton.or toggle through each period.
Tonight... Mostly cloudy. A slight chance of showers and thunderstorms early. A slight chance of showers and thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of rain 20%.
Thursday... Patchy fog in the morning. Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 50%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. East winds around 5 mph.
Friday... Partly sunny in the morning, then clearing. Highs in the mid 80s. Southeast winds 5 to 10 mph, becoming south in the afternoon.
Friday Night... Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows around 70. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50%.
Saturday... Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 50%.
Saturday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the lower 70s. Chance of rain 70%.
Sunday... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the lower 70s. Chance of rain 70%.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the upper 60s.
Monday Night... Mostly cloudy. Lows in the upper 50s. Highs around 70.
Tuesday... Mostly cloudy. Lows in the upper 50s. Highs around 70.
Tuesday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.
POP = Probability of Precipitation
Mercer Radar Loop
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