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Menard County, IL Weather Forecast
Menard County, IL Weather Forecast Date: 838 PM CST Mon Mar 02 2026
The area/counties/county of: Menard, including the city of Petersburg.or toggle through each period.
Rest of Tonight... Cloudy. Rain showers likely. Near steady temperature in the upper 30s. East winds around 5 mph. Chance of rain 70%.
Tuesday... Showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 40s. East winds around 5 mph. Chance of rain 90%.
Tuesday Night... Showers with a chance of thunderstorms. Patchy fog. Lows in the lower 40s. Northeast winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 80%.
Wednesday Night... Showers likely with a chance of thunderstorms in the evening, then showers after midnight. Lows around 50. South winds 5 to 10 mph. Chance of rain 80%.
Thursday... Cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 70%.
Thursday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 40%.
Friday... Mostly cloudy. Showers likely, mainly in the morning. Not as cool with highs in the mid 70s. Chance of rain 70%.
Friday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 50s. Chance of rain 90%.
Saturday... Cloudy. Showers likely, mainly in the morning. Cooler with highs in the mid 60s. Chance of rain 60%.
Saturday Night... Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.
Sunday... Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.
Sunday Night... Partly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Menard County Radar Loop
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