ALERTS: Heat advisory for northern Suffolk and Nassau counties beginning noon Monday through 8 p.m. Tuesday.

OVERNIGHT: Muggy and patchy fog in spots. Lows in mid-70s.

MONDAY: A mix of sun and clouds. A stray shower is possible. Highs in upper 80s. Feels like mid-90s.

TUESDAY: Mostly cloudy with a chance for showers or storms in the evening, mainly west. Highs near 90.

WEDNESDAY: Mostly cloudy with showers and storms likely in the afternoon. Highs in the upper 80s.
