Weather

A heat advisory is in effect until 9 p.m. today for Long Island and the entire New York City metro region. Heat index values of 95 to 99 degrees are forecast by the National Weather Service.

Heat and air quality health advisories are in effect again Wednesday, Aug. 29.

An air quality health advisory for ground-level ozone is in effect Tuesday, along with a heat advisory due to temperatures in the mid-90s coupled with high humidity.

Heat index values are expected to climb from 95 to 104 degrees, according to the National Weather Service, which issued the advisory this morning. The advisory will remain in effect from 11 a.m. Tuesday through 9 p.m. Wednesday.

An air quality health advisory is in effect Thursday for Long Island, where ground-level ozone will be unhealthy for sensitive groups.

A flash flood watch is in effect through Sunday morning, with the possibility of thunderstorms and heavy rain moving through the area, the National Weather Service said in a statement.

A heat advisory is in effect again today with temperatures and humidity combining for a heat index in the mid- to upper-90s, according to the National Weather Service forecast.

An air quality health advisory for ground-level ozone pollution is in effect Sunday and Monday, from 11 a.m. to 11 p.m.

An air quality health advisory will remain in effect until 11 p.m. and will be in place Tuesday as well, from 11 a.m. until 11 p.m.

An air quality health advisory is in effect on Long Island for the third consecutive day as elevated levels of ground-level ozone will make air unhealthy to breathe, according to state environmental and health officials.