Weather WorldDecoy Lake, MO 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Decoy Lake, MO Weather Forecast
Decoy Lake, MO Weather Forecast Date: 1207 AM CDT Sat Sep 12 2026
The area/counties/county of: St. Clair, including the cities of: Tiffin, Appleton City, and Johnson City.or toggle through each period.
Rest of Tonight... Mostly clear. Near steady temperature around 70. South winds around 5 mph.
Saturday... Mostly sunny. Hot with highs in the upper 80s. Southwest winds around 5 mph, becoming northwest in the afternoon.
Saturday Night... Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50%.
Sunday... Partly sunny with a slight chance of thunderstorms. A chance of showers. Hot with highs around 90. Southeast winds around 5 mph. Chance of rain 50%.
Sunday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 50%.
Monday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.
Tuesday Night... Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40%.
Wednesday... Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Hot with highs in the lower 90s. Chance of rain 30%.
Wednesday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Hot. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 40%.
Thursday... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Hot. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 40%.
Thursday Night... Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30%.
POP = Probability of Precipitation
Decoy Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...