SXUS43 KGRB 161452 RECGRB WIZ048-WIZ049-162100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 952 AM CDT Thu Apr 16 2026 .TODAY...Northeast winds around 5 knots. Patchy fog late in the morning. chance of rain showers and slight chance of thunderstorms late in the morning. Waves less than 1 foot. Highs in the lower 60s. .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves less than 1 foot. Lows in the upper 40s. .FRIDAY...Southeast winds 10 to 15 knots. Patchy fog in the morning. chance of rain showers and slight chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs in the mid 60s. .FRIDAY NIGHT...South winds around 15 knots veering west after midnight. Rain showers and chance of thunderstorms in the evening, then chance of rain showers after midnight. Waves less than 1 foot. Lows in the upper 30s. $$