Willowbrook County Forest Preserve, IL 7-Day Weather Forecast

Willowbrook County Forest Preserve Weather Forecast

Willowbrook County Forest Preserve, IL Weather Forecast Date: 741 PM CDT Wed Aug 26 2026

Weather forecast for Willowbrook County Forest Preserve, IL

Tonight Lo: 61°F Lo: 16°C	Tonight... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph.
Thu Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C	Thursday... Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers in the afternoon. Highs in the lower 80s. North winds 5 to 10 mph. Chance of precipitation 20%.
Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C	Friday... Mostly sunny. Highs in the lower 80s. Southwest winds around 5 mph.
Sat Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C	Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
Sun Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C	Sunday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Breezy with highs in the upper 80s. Chance of precipitation 20%.
Mon Hi: 90°FHi: 32°C Lo: 71°F Lo: 22°C	Monday... Mostly cloudy. Highs around 90.
Tue Hi: 89°FHi: 32°C Lo: 70°F Lo: 21°C	Tuesday... Partly cloudy. Highs in the upper 80s.