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City of Jonesboro, ILJonesboro, IL 7-Day Night Weather Forecast
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Jonesboro, IL Weather Forecast
Jonesboro, IL Weather Forecast Date: 607 AM CDT Tue Oct 13 2026
The area/counties/county of: Union, including the city of Jonesboro.or toggle through each period.
Today... Sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph.
Wednesday... Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Calm winds. Chance of rain 70%.
Thursday... Partly sunny in the morning, then clearing. A chance of showers in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 40%.
Thursday Night... Partly cloudy. Lows in the mid 50s. Highs in the mid 60s.
Friday... Partly cloudy. Lows in the mid 50s. Highs in the mid 60s.
Friday Night... Mostly clear. Lows in the lower 40s.
Saturday... Sunny. Highs in the lower 60s.
Saturday Night... Mostly clear. Lows in the upper 30s. Highs around 70.
Sunday... Mostly clear. Lows in the upper 30s. Highs around 70.
Sunday Night... Partly cloudy. Lows in the upper 40s. Highs in the mid 70s.
POP = Probability of Precipitation
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