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Youngstown, IL Weather Forecast
Youngstown, IL Weather Forecast Date: 1151 AM CDT Thu Oct 29 2026
The area/counties/county of: Warren, including the city of Monmouth.or toggle through each period.
Rest of Today... Partly sunny. Near steady temperature in the upper 60s. Northwest winds around 10 mph.
Tonight... Mostly clear. Cooler with lows in the mid 40s. Northeast winds around 5 mph.
Friday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 70%.
Friday Night... Showers. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 80%.
Saturday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Southeast winds around 5 mph. Chance of rain 50%.
Saturday Night... Mostly cloudy. Lows in the lower 50s. Highs around 70.
Sunday... Mostly cloudy. Lows in the lower 50s. Highs around 70.
Monday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 60%.
Monday Night... Showers likely. Lows in the mid 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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