A heat advisory has been issued for Nassau County on Saturday, with heat index values expected to be in the low 100s before a cold front will bring strong storms and lower temperatures.
The advisory will be in effect from noon to 6 p.m. Saturday, the National Weather Service said. A heat advisory is issued when the combination of heat and humidity makes it feel like it is 100 to 104 degrees for two consecutive hours.
Meteorologists said that temperatures will be in the lower 90s but the heat and humidity will make it feel about 10 degrees warmer. They advise residents to take extra precautions if they are spending an extended amount of time outside, and to reschedule strenuous activities to the early morning or evening when possible. People should know the symptoms of heat exhaustion and heat stroke, wear light, loose fitting clothing and drink plenty of water.
A cold front is expected to move through the region on Saturday night, but with it will come strong to severe thunderstorms.
The NWS forecasted showers and thunderstorms on Sunday, but said that the storms would mainly occur before 1 p.m. Temperatures will be in the mid-80s.