SXUS43 KGRB 150532 RECGRB WIZ048-WIZ049-150900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1232 AM CDT Wed Apr 15 2026 ...FLOOD WATCH IN EFFECT UNTIL 7 AM CDT THIS MORNING... .REST OF THE NIGHT...Southeast winds around 5 knots. Areas of fog. slight chance of thunderstorms. Waves less than 1 foot. Near steady temperature in the lower 50s. .WEDNESDAY...Northeast winds around 5 knots. Areas of fog in the morning. slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs in the upper 50s. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Patchy fog in the evening. rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Waves 1 foot or less. Lows in the upper 40s. .THURSDAY...Northeast winds around 5 knots. Chance of rain showers through the day. Waves 1 foot or less. Highs in the upper 50s. $$