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Lewis, WI Weather Forecast
Lewis, WI Weather Forecast Date: 127 PM CDT Fri Aug 21 2026
The area/counties/county of: Polk, including the city of Osceola.or toggle through each period.
Rest of Today... Partly sunny. Highs in the upper 70s. Northwest winds 5 to 15 mph.
Tonight... Partly cloudy. A 20% chance of rain showers in the evening. Lows in the upper 50s. Northwest winds up to 5 mph.
Saturday... Sunny. Highs in the upper 70s. Northwest winds 5 to 15 mph.
Saturday Night... Clear. Lows in the upper 40s. North winds up to 10 mph in the evening becoming light.
Sunday... Sunny. Highs in the upper 70s. North winds up to 5 mph.
Sunday Night... Mostly clear. Lows in the upper 40s.
Monday... Mostly sunny. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows in the upper 50s.
Tuesday... Partly sunny. Highs in the lower 80s.
Tuesday Night... Partly cloudy in the evening then clearing. Lows in the upper 50s.
Wednesday... Sunny. Highs in the lower 80s.
Wednesday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
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