SXUS41 KBTV 230621 RECBTV Recreational Forecast National Weather Service Burlington VT 221 AM EDT Sun Aug 23 2026 .The Forecast for the Northern Waters of Lake Champlain, including Malletts Bay, the Inland Sea, and Isle La Motte... .TODAY...Southeast winds around 10 knots, becoming south. Scattered showers in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...South winds 10 to 15 knots. Numerous showers and scattered thunderstorms in the evening, then a slight chance of showers overnight. Waves 1 to 2 feet. .MONDAY...South winds 5 to 10 knots, becoming southwest. A chance of showers in the morning, then showers likely in the afternoon. Waves 1 foot or less, building to 1 to 3 feet, then subsiding to 1 foot or less. .MONDAY NIGHT...South winds 10 knots or less. Becoming partly cloudy overnight. Showers likely in the evening, then a chance of showers overnight. Waves 1 foot or less. .TUESDAY...South winds 10 knots or less, becoming west. Showers likely. Waves 1 foot or less. .TUESDAY NIGHT...West winds less than 10 knots. Partly cloudy. A chance of showers in the evening. Waves 1 foot or less. .WEDNESDAY...West winds less than 10 knots. Partly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Mostly clear. Waves 1 foot or less. .THURSDAY...South winds 5 to 10 knots. Partly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. && .The Forecast for the Broad Waters of Lake Champlain, including Colchester Reef, Valcour Island, and Cumberland Bay... .TODAY...Southeast winds 10 to 15 knots, becoming south. Scattered showers in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...South winds 5 to 15 knots. Partly cloudy in the evening, then clearing. Numerous showers and scattered thunderstorms in the evening, then a slight chance of showers overnight. Waves 1 to 2 feet. .MONDAY...South winds 5 to 10 knots, becoming southwest. A chance of showers in the morning, then showers likely in the afternoon. Waves 1 foot or less, building to 1 to 3 feet, then subsiding to 1 foot or less. .MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming south. Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Waves 1 foot or less. .TUESDAY...South winds 5 to 10 knots, becoming west. Showers likely. Waves 1 foot or less. .TUESDAY NIGHT...West winds 10 knots or less, becoming southwest. Partly cloudy. A chance of showers in the evening. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots, becoming light and variable. Partly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Mostly clear. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots. Partly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. && .The Forecast for the Southern Waters of Lake Champlain, including Willsboro and Shelburne Bays, and Diamond Island... .TODAY...South winds 5 to 15 knots. Scattered showers in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...South winds 10 to 15 knots. Partly cloudy in the evening, then clearing. Numerous showers and scattered thunderstorms in the evening, then a slight chance of showers overnight. Waves 1 to 2 feet. .MONDAY...South winds 10 to 15 knots, becoming southwest. A chance of showers in the morning, then showers likely in the afternoon. Waves 1 to 2 feet. .MONDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A chance of showers. Waves 1 foot or less. .TUESDAY...South winds 10 knots or less, becoming west. A chance of showers in the morning, then showers likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...West winds less than 10 knots, becoming southwest. Partly cloudy. A chance of showers in the evening. Waves 1 foot or less. .WEDNESDAY...South winds less than 10 knots. Partly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Partly cloudy. Waves 1 foot or less. .THURSDAY...South winds 5 to 15 knots. Partly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. Latest Level and Temperature Data from Around Lake Champlain Level Temperature USGS gage at Rouses Point NY 94.41 feet 73 degrees USGS gage at Burlington VT 94.35 feet 73 degrees USGS gage at Port Henry NY 94.31 feet 73 degrees && .The Higher Summits Forecast for Vermont and Northern New York... .TODAY...Summits obscured in clouds. Numerous showers. Scattered thunderstorms this afternoon. Highs in the mid 60s. South winds 10 to 25 mph, diminishing to 10 to 15 mph this afternoon. .TONIGHT...Summits in and out of clouds until midnight, then becoming cloudy. Numerous showers and scattered thunderstorms until midnight, then a slight chance of showers after midnight. Lows in the lower 50s. Southwest winds 10 to 20 mph. .MONDAY...Cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds 10 to 15 mph. $$