Weather World
40 Reservoir, WI 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
40 Reservoir, WI Weather Forecast
40 Reservoir, WI Weather Forecast Date: 613 PM CDT Tue Aug 25 2026
The area/counties/county of: Pierce, including the city of River Falls.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 60s. West winds 5 to 10 mph.
Wednesday... Increasing clouds. Highs around 80. Northwest winds 5 to 15 mph.
Wednesday Night... Clear. Lows in the upper 50s. Northwest winds up to 10 mph.
Thursday... Sunny. Highs in the lower 80s. Northwest winds up to 10 mph.
Thursday Night... Clear. Lows in the lower 50s. North winds up to 10 mph shifting to the northeast after midnight.
Friday... Sunny. Highs in the lower 80s.
Friday Night... Partly cloudy in the evening, then mostly cloudy with chance of showers after midnight. Lows in the lower 60s. Chance of showers 30%.
Saturday... Mostly cloudy with chance of rain showers. Highs in the lower 80s. Chance of showers 40%.
Saturday Night... Mostly cloudy with a 40% chance of thunderstorms. Lows in the lower 60s.
Sunday... Partly sunny. Highs in the mid 80s.
Sunday Night... Partly cloudy. Chance of thunderstorms in the evening. Lows in the lower 60s. Chance of thunderstorms 30%.
Monday... Mostly sunny. Highs in the mid 80s.
Monday Night... Mostly clear. Lows in the upper 50s.
POP = Probability of Precipitation
40 Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...