Isaac Lake, WI 7-Day Night Weather Forecast
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Isaac Lake, WI Weather Forecast


Isaac Lake, WI Weather Forecast Date: 951 PM CDT Wed Sep 02 2026
The area/counties/county of: Burnett, including the city of Grantsburg.or toggle through each period.
Rest of Tonight... Partly cloudy with a slight chance of thunderstorms. A chance of showers late this evening, then a slight chance of showers. Lows in the lower 60s. East winds around 5 mph. Chance of rain 40%.
Thursday... Partly sunny with a chance of showers with a slight chance of thunderstorms. Hot with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 50%.
Thursday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Patchy fog after midnight. Humid with lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 30%.
Friday... Mostly cloudy in the morning, then becoming mostly sunny. Hot with highs in the mid 80s. East winds around 5 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the lower 60s. East winds around 5 mph. Chance of rain 20%.
Saturday... Mostly sunny. Hot with highs in the upper 80s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Hot with highs in the lower 80s. Chance of rain 50%.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers. Lows in the lower 60s. Chance of rain 50%.
Labor Day... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%.
Monday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60%.
Tuesday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50%.
Tuesday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50%.
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