Weather WorldSt Clair County, MO 7-Day Night Weather Forecast
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St Clair County, MO Weather Forecast
St Clair County, MO Weather Forecast Date: 447 PM CDT Thu Oct 29 2026
The area/counties/county of: St. Clair, including the cities of: Tiffin, Appleton City, and Johnson City.or toggle through each period.
Tonight... Mostly sunny early, then mostly cloudy with a slight chance of showers this evening. Mostly cloudy after midnight. Lows in the upper 50s. South winds around 5 mph, becoming southeast this evening, then becoming light and variable after midnight. Chance of rain 20%.
Friday... Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 20%.
Friday Night... Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40%.
Saturday... Cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs around 70. East winds around 5 mph. Chance of rain 40%.
Saturday Night... Mostly cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.
Sunday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30%.
Monday... Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60%.
Monday Night... A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80%.
Tuesday... Showers. Highs in the lower 70s. Chance of rain 80%.
Tuesday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 50s.
Wednesday... Partly sunny with a 20% chance of showers. Highs in the mid 60s.
Wednesday Night... Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
POP = Probability of Precipitation
St Clair County Radar Loop
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