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Glenn, IL Weather Forecast
Glenn, IL Weather Forecast Date: 127 AM CDT Wed Oct 28 2026
The area/counties/county of: Jackson, including the cities of: Carbondale and Murphysboro.or toggle through each period.
Overnight... Clear. Patchy fog. Near steady temperature around 50. Calm winds.
Wednesday... Sunny. Highs in the upper 70s. South winds 5 to 10 mph.
Wednesday Night... Clear. Lows around 50. South winds around 5 mph.
Thursday... Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the lower 50s. South winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Highs around 80.
Friday Night... Mostly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Saturday... Mostly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Saturday Night... Cloudy with a 50% chance of showers. Lows in the mid 50s.
Sunday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s.
Sunday Night... Mostly cloudy. Lows in the lower 50s.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s.
POP = Probability of Precipitation
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