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Plain, WI 7-Day Night Weather Forecast
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Plain, WI Weather Forecast
Plain, WI Weather Forecast Date: 132 PM CDT Thu Sep 03 2026
The area/counties/county of: Sauk, including the cities of: Baraboo, Reedsburg, Prairie Du Sac, and Sauk City.or toggle through each period.
Rest of Today... Warm and humid. Partly sunny with a 40% chance of light showers and thunderstorms. Near steady temperature in the lower 80s. South winds 5 to 10 mph.
Tonight... Partly cloudy until early morning then becoming mostly cloudy. Chance of light showers through around midnight. Chance of thunderstorms through the night. Showers likely after midnight. Patchy fog early in the morning. Lows in the upper 60s. Southeast winds up to 5 mph. Chance of precipitation 70%.
Friday... Warm and humid. Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning. Patchy fog in the morning. Highs in the upper 80s. Southwest winds up to 5 mph. Chance of precipitation 30%. Highest heat index readings 95 to 99 in the afternoon.
Friday Night... Partly cloudy through around midnight then becoming mostly cloudy. A 50% chance of light showers and thunderstorms. Lows in the mid 60s. Northeast winds up to 5 mph.
Saturday... Partly sunny. Highs in the lower 80s. Northeast winds up to 5 mph.
Saturday Night... Partly cloudy. Lows in the lower 60s.
Sunday... Partly sunny. Highs in the lower 80s.
Sunday Night... Partly cloudy. Lows in the upper 50s.
Labor Day... Partly sunny. Highs in the upper 70s.
Monday Night... Mostly cloudy through around midnight, then partly cloudy with a 20% chance of light showers after midnight. Lows in the lower 60s.
Tuesday... Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then slight chance of light showers in the afternoon. Highs in the lower 80s. Chance of precipitation 50%.
Tuesday Night... Partly cloudy with chance of light showers and slight chance of thunderstorms through around midnight, then mostly cloudy with light showers likely and slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 60%.
POP = Probability of Precipitation
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