SXUS43 KGRB 151447 RECGRB WIZ048-WIZ049-152100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 947 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Northeast winds around 5 knots. Patchy fog through the day. chance of rain showers late in the morning. Chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs in the upper 50s. .TONIGHT...East winds around 5 knots. Patchy fog in the evening. Areas of fog after midnight. chance of thunderstorms in the evening. Rain showers likely through the night. Slight chance of thunderstorms after midnight. Waves less than 1 foot. Lows in the upper 40s. .THURSDAY...Northeast winds 5 to 10 knots. Areas of fog in the morning. slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves less than 1 foot. Highs in the upper 50s. .THURSDAY NIGHT...Southeast winds around 5 knots. Partly cloudy. Waves less than 1 foot. Lows in the mid 40s. $$