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Glenarm, IL 7-Day Night Weather Forecast
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Glenarm, IL Weather Forecast
Glenarm, IL Weather Forecast Date: 637 PM CDT Thu Oct 01 2026
The area/counties/county of: Sangamon, including the city of Springfield.or toggle through each period.
Tonight... Showers with a chance of thunderstorms. Cooler with lows in the upper 50s. North winds 10 to 15 mph. Chance of rain near 100%.
Friday... Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Much cooler. Less humid with highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40%.
Friday Night... Mostly clear. Cooler with lows in the upper 40s. Northeast winds 5 to 10 mph.
Saturday... Sunny. Highs in the lower 70s. East winds around 5 mph.
Saturday Night... Mostly clear. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable.
Sunday... Mostly clear. Highs in the mid 70s. Lows in the upper 40s.
Sunday Night... Mostly clear. Highs in the mid 70s. Lows in the upper 40s.
Monday... Clear. Highs in the lower 70s. Lows in the lower 40s.
Tuesday... Clear. Highs in the lower 70s. Lows in the lower 40s.
Tuesday Night... Mostly clear. Lows in the mid 40s. Highs in the upper 70s.
Wednesday... Mostly clear. Lows in the mid 40s. Highs in the upper 70s.
Wednesday Night... Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
POP = Probability of Precipitation
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