RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 318 CDT Tue Jun 9 2026 ...Lake Beulah... .TODAY... Waves...............Nearly calm. Sky/Weather.........Mostly cloudy. Chance of showers and slight chance of thunderstorms. Max Temperature.....Around 84. Winds...............West winds 5 to 10 mph. Water Temperature...66 degrees. UV Index............6 - High. .TONIGHT... Waves...............Nearly calm. Sky/Weather.........Partly cloudy until 5 AM, then mostly cloudy. Chance of thunderstorms after 11 PM. Patchy fog after 5 AM. Min Temperature.....Around 64. Winds...............Light winds becoming south up to 5 mph after midnight. Water Temperature...66 degrees. UV Index............6 - High. .WEDNESDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Lower 90s. Winds...............South winds 10 to 15 mph. .THURSDAY... Waves...............Half foot or less. Sky/Weather.........Partly sunny. Showers through the day. Chance of thunderstorms in the afternoon. Max Temperature.....Upper 80s. Winds...............Southwest winds around 5 mph increasing to around 15 mph in the afternoon. .FRIDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Sunny. Max Temperature.....Upper 70s. Winds...............West winds 10 to 15 mph. Sunrise: 05:15 AM CDT Sunset: 08:31 PM CDT $$