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Summit, WI Weather Forecast
Summit, WI Weather Forecast Date: 1208 PM CDT Sun Sep 06 2026
The area/counties/county of: Lincoln, including the cities of: Merrill and Tomahawk.or toggle through each period.
This Afternoon... Mostly sunny. Highs around 80. Light and variable wind.
Tonight... Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 50s. Light and variable wind.
Labor Day... Partly cloudy. Highs in the upper 70s. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night... Mostly cloudy. A 50% chance of showers and thunderstorms after midnight. Lows around 60. South wind 10 to 15 mph.
Tuesday... Humid. Cloudy. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South wind 10 to 15 mph. Chance of rain 90%.
Tuesday Night... Showers likely and a chance of thunderstorms. Lows in the lower 60s. Chance of rain 60%.
Wednesday... Breezy. Mostly clear. Highs in the middle 70s. Lows in the upper 40s.
Thursday... Breezy. Mostly clear. Highs in the middle 70s. Lows in the upper 40s.
Friday... Breezy. Mostly clear. Highs in the middle 70s. Lows in the upper 40s.
Friday Night... Partly cloudy. Lows in the middle 50s. Highs in the middle 70s.
POP = Probability of Precipitation
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