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Marion County, IL 7-Day Night Weather Forecast
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Marion County, IL Weather Forecast
Marion County, IL Weather Forecast Date: 458 PM CST Mon Mar 02 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
Tonight... Cloudy. Rain with a slight chance of thunderstorms after midnight. Near steady temperature around 40. East winds around 5 mph. Chance of rain 90%.
Tuesday... Rain. Not as cool with highs in the lower 60s. Southeast winds around 5 mph. Chance of rain near 100%.
Tuesday Night... Rain likely with a slight chance of thunderstorms in the evening, then rain with a chance of thunderstorms after midnight. Patchy fog after midnight. Not as cool with lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Rain with a chance of thunderstorms. Highs in the upper 60s. South winds 5 to 10 mph. Chance of rain 90%.
Wednesday Night... A chance of thunderstorms. Rain. Lows in the upper 50s. South winds 5 to 10 mph. Chance of rain 80%.
Thursday... A chance of thunderstorms. Rain. Highs around 70. Chance of rain 80%.
Thursday Night... Mostly cloudy with a chance of rain. A slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 50%.
Friday... Partly sunny. A chance of rain and thunderstorms in the morning, then a slight chance of rain in the afternoon. Highs in the upper 70s. Chance of rain 50%.
Friday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of rain in the evening, then rain likely after midnight. Lows in the lower 60s. Chance of rain 60%.
Saturday... Mostly cloudy with a slight chance of thunderstorms. Rain, mainly in the morning. Highs in the upper 60s. Chance of rain 80%.
Saturday Night... Mostly cloudy with a 30% chance of rain. Lows in the upper 40s. Highs in the lower 60s.
Sunday... Mostly cloudy with a 30% chance of rain. Lows in the upper 40s. Highs in the lower 60s.
Sunday Night... Mostly cloudy with a 20% chance of rain. Lows in the lower 50s.
POP = Probability of Precipitation
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