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Iuka, IL Weather Forecast
Iuka, IL Weather Forecast Date: 1032 PM CDT Sat Sep 19 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
Overnight... Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
Sunday... Mostly sunny. Highs in the mid 90s. West winds around 5 mph.
Sunday Night... A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 70%.
Monday... Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Cooler with highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 50%.
Monday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 50%.
Tuesday... Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 70s. Chance of rain 20%.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Wednesday... Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Wednesday Night... Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Thursday... Partly sunny. Highs in the mid 70s.
Thursday Night... Mostly cloudy. A 20% chance of showers. Lows in the upper 50s. Highs in the upper 70s.
Friday... Mostly cloudy. A 20% chance of showers. Lows in the upper 50s. Highs in the upper 70s.
Friday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
POP = Probability of Precipitation
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