TONIGHT: Mostly clear early, then high cloudiness, and a little muggier. A low 60 to 65. Light south winds, but breezy across Lake Champlain.

Heat Advisories afternoon into the evening for the Champlain and Connecticut River valleys.

TOMORROW: Partly to mostly sunny. Hot and muggy. Some cloudiness northern areas at times…with an isolated strong thunderstorm possible late. A high in the lower 90s. Possible heat indices reaching the upper 90s. Southwest breeze 10 to 15 mph.

THURSDAY NIGHT: Considerable clouds. A rising chance for thunderstorms… some strong and locally heavy north of the Barre-Montpelier area. Continued very humid. A low in the upper 60s. Little wind.

FRIDAY: Variable cloudiness. Scattered showers and thunderstorms…some briefly heavy. Oppressively humid. A high in the mid-80s. Light northwest winds.

Looking Further Ahead…

FRIDAY NIGHT: Partly to mostly cloudy. Chance for a shower or thunderstorms southern areas after midnight. A low mid to upper 60s.

SATURDAY: More clouds than sun. Muggy. Isolated to widely scattered showers and thunderstorms. Stifling humid. A high in the mid to upper 80s.

SUNDAY: Partly to mostly sunny. Scattered showers and thunderstorms in the afternoon. Continued sultry. A low upper 60s to around 70. A high pushing toward 90, heat indices in the 90s possible.

MONDAY: Partly to mostly sunny. Chance for afternoon showers and thunderstorms. A low around 70. Super muggy. A high pushing toward 90. Heat indices in the 90s possible.

Average lows mid-50s to near 60. Average highs mid-70s to near 80.

RH/8-3[forecast][end]