RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1041 CDT Fri Jun 26 2026 ...Whitewater Lake... .TODAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Around 73. Winds...............East winds 5 to 10 mph. Water Temperature...64 degrees. UV Index............6 - High. .TONIGHT... Waves...............Nearly calm. Sky/Weather.........Mostly clear. Min Temperature.....Around 54. Winds...............Northeast winds up to 5 mph. Water Temperature...64 degrees. UV Index............6 - High. .SATURDAY... Waves...............Nearly calm. Sky/Weather.........Sunny. Max Temperature.....Upper 70s. Winds...............East winds 5 to 10 mph. .SUNDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Chance of showers. Max Temperature.....Mid 80s. Winds...............Southeast winds around 10 mph. .MONDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Lower 90s. Winds...............South winds around 15 mph. Sunrise: 05:18 AM CDT Sunset: 08:37 PM CDT $$