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Lyons, WI 7-Day Night Weather Forecast
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Lyons, WI Weather Forecast
Lyons, WI Weather Forecast Date: 1031 AM CDT Fri Sep 04 2026
The area/counties/county of: Walworth, including the cities of: Whitewater, Delavan, Elkhorn, Lake Geneva, and East Troy.or toggle through each period.
Rest of Today... Warm and humid. Mostly sunny. Scattered showers and thunderstorms late in the morning. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50%. Highest heat index readings 97 to 102 in the afternoon.
Tonight... Partly cloudy. Scattered showers and thunderstorms until early morning. Patchy fog after midnight. Lows in the upper 60s. Northwest winds up to 5 mph shifting to the northeast after midnight. Chance of precipitation 50%.
Saturday... Partly sunny. Patchy fog in the morning. Highs in the lower 80s. Northeast winds up to 10 mph.
Saturday Night... Partly cloudy. Lows in the lower 60s. Northeast winds up to 10 mph.
Sunday... Partly sunny. Highs around 80. East winds up to 10 mph.
Sunday Night... Partly cloudy. Lows in the lower 60s.
Labor Day... Partly sunny. Highs around 80.
Monday Night... Mostly cloudy. Lows in the lower 60s.
Tuesday... Partly sunny with a 20% chance of light showers. Highs in the lower 80s.
Tuesday Night... Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows around 70. Chance of precipitation 50%.
Wednesday... Partly sunny. A 20% chance of light showers and thunderstorms in the morning. Highs in the mid 80s.
Wednesday Night... Partly cloudy. Slight chance of light showers through around midnight, then chance of light showers and slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 40%.
POP = Probability of Precipitation
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