RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1531 CDT Thu Jul 3 2025 ...Whitewater Lake... .TONIGHT... Waves...............Half foot or less. Sky/Weather.........Partly cloudy until 2 AM, then mostly cloudy. and chance of thunderstorms. Min Temperature.....Around 68. Winds...............Southwest winds around 5 mph shifting to the southeast. Water Temperature...75 degrees. UV Index............9 - Very High. .INDEPENDENCE DAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Chance of thunderstorms. Max Temperature.....Around 88. Winds...............Southwest winds 5 to 10 mph. Water Temperature...75 degrees. UV Index............9 - Very High. .FRIDAY NIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly clear. Min Temperature.....Upper 60s. Winds...............South winds around 5 mph. .SATURDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Around 90. Winds...............Southwest winds 10 to 15 mph. .SUNDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy. Chance of showers in the morning. Chance of thunderstorms through the day. Max Temperature.....Lower 80s. Winds...............West winds around 10 mph shifting to the north in the afternoon. Sunrise: 05:22 AM CDT Sunset: 08:37 PM CDT $$