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City of Sparta, WisconsinSparta, WI 7-Day Night Weather Forecast
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Sparta, WI Weather Forecast
Sparta, WI Weather Forecast Date: 636 PM CDT Wed Sep 02 2026
The area/counties/county of: Monroe, including the cities of: Sparta and Tomah.or toggle through each period.
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the mid 60s. Light winds.
Thursday... Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50%.
Thursday Night... A chance of thunderstorms. Showers with lows in the mid 60s. Light winds. Chance of rain 90%.
Friday... Mostly sunny. Highs in the upper 80s. Light winds.
Friday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Light winds. Chance of rain 40%.
Saturday... Mostly sunny. Highs in the mid 80s.
Saturday Night... Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s.
Sunday Night... Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40%.
Labor Day... Mostly cloudy. A chance of showers. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 40%.
Monday Night... Mostly cloudy. A chance of showers. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 40%.
Tuesday... Partly sunny with a 40% chance of showers. Highs around 80.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 50%.
POP = Probability of Precipitation
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