RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1533 CDT Sun Jun 7 2026 ...Pewaukee Lake... .TONIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny until 5 PM, then mostly cloudy until 5 AM, then partly cloudy. Slight chance of thunderstorms after 2 AM. Min Temperature.....Around 61. Winds...............East winds 5 to 10 mph. Water Temperature...69 degrees. UV Index............8 - Very High. .MONDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Chance of showers until 11 AM. Chance of thunderstorms. Showers after 2 PM. Max Temperature.....Around 81. Winds...............Southeast winds 5 to 10 mph. Water Temperature...69 degrees. UV Index............8 - Very High. .MONDAY NIGHT... Waves...............Nearly calm. Sky/Weather.........Mostly cloudy. Showers and chance of thunderstorms. Min Temperature.....Mid 60s. Winds...............South winds around 5 mph in the evening becoming light. .TUESDAY... Waves...............Nearly calm. Sky/Weather.........Mostly cloudy then becoming sunny. Slight chance of showers in the morning. Max Temperature.....Lower 80s. Winds...............Southwest winds around 5 mph. .WEDNESDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Sunny. Max Temperature.....Lower 90s. Winds...............Southwest winds 10 to 15 mph. Sunrise: 05:14 AM CDT Sunset: 08:30 PM CDT $$