Thousand Island State Conservancy Area, WI 7-Day Weather Forecast

Thousand Island State Conservancy Area Weather Forecast

Thousand Island State Conservancy Area, WI Weather Forecast Date: 1057 PM CDT Sun Aug 30 2026

Weather forecast for Thousand Island State Conservancy Area, WI

Tonight Lo: 70°F Lo: 21°C	Tonight... Muggy. Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. Nearly steady temperature in the lower 70s. Light and variable wind. Chance of rain 20%.
Mon Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C	Monday... Very warm and humid. Partly cloudy. Highs around 90. Southwest wind 10 to 15 mph. Heat indices to 100.
Tue Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C	Tuesday... Very warm and humid. Partly cloudy. Highs in the upper 80s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wed Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C	Wednesday... Humid. Partly sunny. Highs in the lower 80s.
Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C	Thursday... Humid. Partly cloudy. Highs in the lower 80s.
Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C	Friday... Humid. Partly cloudy. Highs in the lower 80s.
Sat Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C	Saturday... Humid. Partly cloudy. Highs in the lower 80s.