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Triangle Park, IL 7-Day Night Weather Forecast
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Triangle Park, IL Weather Forecast
Triangle Park, IL Weather Forecast Date: 921 PM CDT Thu Sep 17 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.
Friday... Mostly cloudy. A slight chance of showers late. Highs around 70. East winds 10 to 15 mph. Chance of precipitation 20%.
Friday Night... A slight chance of showers early in the evening, then a chance of showers late in the evening. Showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of precipitation near 100%.
Saturday... Showers with a chance of thunderstorms. Highs around 70. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph in the afternoon. Chance of precipitation near 100%.
Saturday Night... Showers with a slight chance of thunderstorms. Lows in the lower 60s. Northeast winds 5 to 10 mph, increasing to 10 to 15 mph after midnight. Chance of precipitation 80%.
Sunday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of precipitation 60%.
Sunday Night... Cloudy with a 50% chance of showers. Lows in the mid 50s.
Monday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the lower 60s. Chance of precipitation 60%.
Monday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 30%.
Tuesday... Mostly cloudy. Highs in the lower 60s.
Tuesday Night... Mostly cloudy. Lows in the lower 50s.
Wednesday... Mostly cloudy. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
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