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Firth Lake, WI Weather Forecast
Firth Lake, WI Weather Forecast Date: 533 PM CDT Sun Aug 02 2026
The area/counties/county of: Chippewa, including the city of Chippewa Falls.or toggle through each period.
Tonight... Clear. Lows in the upper 50s. Southeast winds up to 5 mph.
Monday... Sunny. Highs in the mid 80s. South winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
Monday Night... Increasing clouds. Lows in the mid 60s. South winds 5 to 15 mph.
Tuesday... Mostly cloudy. Highs around 80. Southwest winds 5 to 10 mph.
Tuesday Night... Cooler. Decreasing clouds. Lows in the mid 50s. Northwest winds up to 10 mph.
Wednesday... Mostly sunny. Highs around 80.
Wednesday Night... Partly cloudy. Lows in the mid 50s.
Thursday... Sunny. Highs in the mid 80s.
Thursday Night... Mostly clear. Lows in the upper 50s.
Friday... Sunny. Highs in the mid 80s.
Friday Night... Mostly clear. Chance of showers in the evening. Lows in the lower 60s. Chance of showers 30%.
Saturday... Sunny. Highs in the upper 80s.
Saturday Night... Partly cloudy. Chance of thunderstorms in the evening, then chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40%.
POP = Probability of Precipitation
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