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