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Jaycee Park Prospect Heights, IL 7-Day Night Weather Forecast
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Jaycee Park Prospect Heights, IL Weather Forecast
Jaycee Park Prospect Heights, IL Weather Forecast Date: 936 AM CDT Tue Sep 01 2026
The area/counties/county of: Northern Cook, including the cities of: Evanston, Des Plaines, Schaumburg, Palatine, and Northbrook.or toggle through each period.
Rest of Today... Partly cloudy. A slight chance of showers and thunderstorms. Hot. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20%. Heat index values up to 105.
Tonight... Partly cloudy in the evening, then clearing. Isolated showers and thunderstorms early in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20%.
Wednesday... Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Heat index values up to 102.
Wednesday Night... Partly cloudy. Isolated showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Thursday... Partly cloudy. Scattered showers and thunderstorms. Humid with highs in the upper 80s inland, but only in the lower 80s near the lake. West winds around 5 mph, becoming southeast in the afternoon. Chance of precipitation 50%.
Thursday Night... Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 40%.
Friday... Partly cloudy with scattered showers and thunderstorms in the morning, then mostly cloudy in the afternoon. Highs in the mid 80s. Chance of precipitation 50%.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 20%.
Saturday... Partly cloudy. Highs in the upper 80s.
Saturday Night... Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of precipitation 40%.
Sunday... Mostly cloudy. Highs in the mid 80s.
Sunday Night... Partly cloudy. Lows in the upper 60s.
POP = Probability of Precipitation
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