SXUS43 KGRB 240931 RECGRB WIZ048-WIZ049-242100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 431 AM CDT Fri Apr 24 2026 .EARLY THIS MORNING...South winds around 10 knots. Chance of rain showers and slight chance of thunderstorms. Waves less than 1 foot. Near steady temperature around 60. .TODAY...Southwest winds around 10 knots veering west in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves less than 1 foot. Highs in the lower 60s. .TONIGHT...North winds 5 to 10 knots. Partly cloudy. Waves less than 1 foot. Lows in the lower 40s. .SATURDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves less than 1 foot. Highs in the upper 50s. .SATURDAY NIGHT...East winds 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves less than 1 foot. Lows in the lower 40s. $$