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Centralia Muni, IL 7-Day Night Weather Forecast
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Centralia Muni, IL Weather Forecast
Centralia Muni, IL Weather Forecast Date: 1103 AM CDT Wed Sep 09 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
This Afternoon... Mostly sunny. A slight chance of showers early, then a chance of showers and thunderstorms. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 107.
Tonight... A chance of thunderstorms. Showers with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 90%. Heat index values up to 103 early in the evening.
Thursday... Mostly cloudy with a chance of thunderstorms. Showers, mainly in the morning. Cooler with highs in the lower 80s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 90%.
Thursday Night... Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 20%.
Friday Night... Partly cloudy. Lows in the mid 60s.
Saturday... Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 30%.
Saturday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 40%.
Sunday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 20%.
Sunday Night... Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100.
Monday... Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100.
Monday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20%.
POP = Probability of Precipitation
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