RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 318 CDT Thu Jul 9 2026 ...Lake Beulah... .TODAY... Waves...............Nearly calm. Sky/Weather.........Mostly cloudy. Chance of showers until 11 AM. Chance of thunderstorms. Max Temperature.....Around 81. Winds...............West winds around 5 mph. Water Temperature...75 degrees. UV Index............9 - Very High. .TONIGHT... Waves...............Nearly calm. Sky/Weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms until 2 AM. Patchy fog after 2 AM. Min Temperature.....Around 61. Winds...............Northeast winds up to 5 mph. Water Temperature...75 degrees. UV Index............9 - Very High. .FRIDAY... Waves...............Nearly calm. Sky/Weather.........Mostly sunny. Max Temperature.....Lower 80s. Winds...............Northeast winds around 5 mph. .SATURDAY... Waves...............Nearly calm. Sky/Weather.........Mostly sunny. Max Temperature.....Lower 80s. Winds...............Northeast winds around 5 mph. .SUNDAY... Waves...............Nearly calm. Sky/Weather.........Sunny. Max Temperature.....Mid 80s. Winds...............Southeast winds around 5 mph. Sunrise: 05:24 AM CDT Sunset: 08:34 PM CDT $$