SXUS43 KGRB 030541 RECGRB WIZ048-WIZ049-030900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1241 AM CDT Thu Jul 3 2025 .REST OF THE NIGHT...Northwest winds 5 to 10 knots. Patchy fog. slight chance of showers. Waves less than 1 foot. Near steady temperature in the upper 60s. .THURSDAY...East winds around 5 knots. Patchy fog in the morning. slight chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs in the upper 70s. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Slight chance of thunderstorms after midnight. Waves 1 foot or less. Lows in the upper 60s. .FRIDAY...South winds 5 to 10 knots. Mostly sunny. Waves less than 1 foot. Highs in the mid 80s. $$