RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 317 CDT Mon May 4 2026 ...Lake Monona... .TODAY... Waves...............1.5 to 2 feet. Sky/Weather.........Sunny until 2 PM, then partly sunny. Max Temperature.....Around 78. Winds...............West winds 15 to 20 mph. Water Temperature...57 degrees. UV Index............6 - High. .TONIGHT... Waves...............1 to 1.5 feet. Sky/Weather.........Partly cloudy. Slight chance of rain showers. Min Temperature.....Around 42. Winds...............Northwest winds 10 to 15 mph. Water Temperature...57 degrees. UV Index............6 - High. .TUESDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Mid 50s. Winds...............Northwest winds around 10 mph. .WEDNESDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Mid 50s. Winds...............Northwest winds around 5 mph. .THURSDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Upper 50s. Winds...............West winds 5 to 10 mph. Sunrise: 05:46 AM CDT Sunset: 08:02 PM CDT $$