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Black River Falls, WI Weather Forecast
Black River Falls, WI Weather Forecast Date: 127 AM CDT Thu Sep 17 2026
The area/counties/county of: Jackson, including the city of Black River Falls.or toggle through each period.
Rest of Tonight... Showers with a slight chance of thunderstorms. Patchy fog. Warmer. Near steady temperature in the mid 50s. East winds around 5 mph. Chance of rain 100%.
Thursday... Patchy fog in the morning. Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the lower 70s. East winds around 5 mph. Chance of rain 20%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Light winds.
Friday... Mostly cloudy. A chance of showers in the morning, then showers in the afternoon. Highs in the mid 60s. East winds 10 to 15 mph. Chance of rain 90%.
Friday Night... Showers and a chance of thunderstorms. Lows in the lower 50s. East winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 100%.
Saturday... Showers likely. Highs in the upper 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 40s.
Sunday... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Sunday Night... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Monday... Mostly cloudy with a 30% chance of rain showers. Highs in the lower 60s.
Monday Night... Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Tuesday... Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
POP = Probability of Precipitation
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