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Flag Spring Lake, MO 7-Day Night Weather Forecast
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Flag Spring Lake, MO Weather Forecast
Flag Spring Lake, MO Weather Forecast Date: 1147 PM CDT Tue Sep 08 2026
The area/counties/county of: St. Clair, including the cities of: Tiffin, Appleton City, and Johnson City.or toggle through each period.
Overnight... Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Wednesday... Mostly sunny. Scattered showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50%. Heat index values up to 108.
Wednesday Night... Scattered thunderstorms. Showers with lows around 70. Northeast winds around 5 mph. Chance of rain 90%.
Thursday... Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Not as warm. Humid with highs in the lower 80s. North winds around 5 mph. Chance of rain near 100%.
Thursday Night... Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 60s. East winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny, hot with highs around 90.
Friday Night... Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40%.
Saturday... A chance of thunderstorms. Showers likely, mainly in the morning. Hot with highs in the upper 80s. Chance of rain 60%.
Saturday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50%.
Sunday... Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Hot with highs in the upper 80s. Chance of rain 50%.
Sunday Night... Mostly clear with a 20% chance of showers. Lows in the upper 60s.
Monday... Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs around 90. Chance of rain 20%.
Monday Night... Mostly clear with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 40%.
POP = Probability of Precipitation
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