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