SXUS43 KGRB 090341 RECGRB WIZ048-WIZ049-090445- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1041 PM CDT Wed Jul 8 2026 .TONIGHT...Southeast winds up to 5 knots veering southwest around 5 knots after midnight. Slight chance of thunderstorms late in the evening. Showers through the night. Chance of thunderstorms after midnight. patchy fog after midnight. Waves less than 1 foot. Near steady temperature in the lower 70s. .THURSDAY...Northwest winds around 5 knots veering northeast in the afternoon. Patchy fog in the morning. chance of showers and slight chance of thunderstorms through the day. Waves less than 1 foot. Highs in the mid 70s. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy. Waves less than 1 foot. Lows in the lower 60s. .FRIDAY...Northeast winds around 5 knots. Sunny. Waves less than 1 foot. Highs in the upper 70s. $$