Weather World40 Reservoir, WI 7-Day Night Weather Forecast
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40 Reservoir, WI Weather Forecast
40 Reservoir, WI Weather Forecast Date: 933 PM CDT Tue Aug 18 2026
The area/counties/county of: Pierce, including the city of River Falls.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the mid 50s. North winds up to 5 mph.
Wednesday... Mostly sunny. Highs around 80. Southeast winds up to 5 mph shifting to the northwest in the afternoon.
Wednesday Night... Mostly clear. Lows in the mid 50s. North winds up to 5 mph shifting to the south after midnight.
Thursday... Mostly sunny. Chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds up to 10 mph. Chance of thunderstorms 50%.
Thursday Night... Showers likely and chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of precipitation 70%.
Friday... Mostly sunny. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the upper 50s.
Saturday... Sunny. Highs in the upper 70s.
Saturday Night... Increasing clouds. Lows in the mid 50s.
Sunday... Mostly sunny. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows in the upper 50s.
Monday... Mostly sunny. Highs in the lower 80s.
Monday Night... Mostly clear. Lows in the lower 60s.
POP = Probability of Precipitation
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