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St. Mary, IL Weather Forecast
St. Mary, IL Weather Forecast Date: 521 AM CDT Thu Oct 29 2026
The area/counties/county of: Hancock, including the city of Carthage.or toggle through each period.
Today... Partly sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph, becoming north this afternoon.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Cooler with lows in the upper 40s. Northeast winds 5 to 10 mph.
Friday... Partly sunny with a chance of showers. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 50%.
Friday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 70%.
Saturday... Cloudy. A chance of showers in the morning. Highs in the lower 70s. Southeast winds around 5 mph. Chance of rain 30%.
Saturday Night... Mostly cloudy. Lows in the mid 50s. Highs in the lower 70s.
Sunday... Mostly cloudy. Lows in the mid 50s. Highs in the lower 70s.
Monday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs around 70. Chance of rain 60%.
Monday Night... Showers likely. Lows in the upper 50s. Chance of rain 70%.
Tuesday... Showers likely. Highs around 70. Chance of rain 70%.
Tuesday Night... Showers likely, mainly in the evening. Lows in the lower 50s. Chance of rain 70%.
POP = Probability of Precipitation
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