The heat index in the Pittsburgh area reached more than 100 degrees on Friday.
The temperature high was 97 degrees, breaking the June 29 record. The previous record from 1934 was 96 degrees.
To view current weather conditions, click here.
A heat advisory is in effect until 8 p.m.
If you'll be outside for the PGA's Senior Players Championship, Big Butler Fair or other happenings, be sure to drink a lot of water and stay in the shade.
Pittsburgh paramedic chief Stephen Carlson worries about the thousands who will be outside for the Kenny Chesney concert on Saturday.
“They lose track of time and how long they’ve been outside. Thats where the problem is,” said Carlson.