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Glass Lake, IL 7-Day Night Weather Forecast
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Glass Lake, IL Weather Forecast
Glass Lake, IL Weather Forecast Date: 1201 PM CDT Tue Sep 01 2026
The area/counties/county of: Warren, including the city of Monmouth.or toggle through each period.
This Afternoon... Sunny, hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 101.
Tonight... Clear with lows in the mid 70s. South winds around 5 mph.
Wednesday... Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 103.
Wednesday Night... Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 101 early in the evening.
Thursday... Sunny, hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.
Thursday Night... Mostly clear. Hot. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105.
Friday... Mostly clear. Hot. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105.
Saturday... Mostly clear. Hot. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105.
Saturday Night... Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30%.
Sunday... Partly cloudy. Highs in the upper 80s. Lows in the upper 60s.
POP = Probability of Precipitation
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