All of Western New York will be under a heat alerts on Friday and Saturday, issued by the National Weather Service.
Erie, Genesee, Wyoming, Chautauqua, Cattaraugus and Allegany counties will be under a Heat Advisory starting at noon on Friday and lasting through 6 p.m. on Saturday. Heat Index values could climb up to 100 during the day Friday.
Under a Heat Advisory, the National Weather Service recommends drinking plenty of fluids, staying in air conditioning and out of the sun, and taking extra precautions if you work outside.
Niagara and Orleans counties will be under an Excessive Heat Warning will be in effect from noon on Friday, July 19 through 6 p.m. on Saturday. Heat index values could reach as high as 108 degrees on Friday. Heat index is the "feels like" temperature, not the actual temperature. It factors in humdity.
An Excessive Heat Warning is issued when a prolonged period of dangerously hot weather is expected. Hot temperatures and high humidity can combine to create a dangerous situation. People are advised to drink plenty of fluids and stay out of the sun. Check up on relatives and neighbors who may be at greater risk of heat-related health problems. When possible, the National Weather Service recommends rescheduling strenuous outdoor activities to early morning or evening.