The big takeaway: know your limitations.
"We want folks to be cognizant when they are out in extreme temperatures," said Benji Currie, District Chief for Wake County EMS.
First responders sid you should be on the lookout for any signs of heat exhaustion or heat illness.
"It can start as something as mild as fatigue and progress to cramps, nausea, and vomiting," Currie said. "You want to make sure you stay hydrated and drink plenty of fluids and electrolytes-things like that.
Wake County EMS said they have crews standing by at various events throughout the county this weekend just in case-like Friday night at a concert at the Red Hat Amphitheater.
"Any time you've been outside and you're relaxing with friends and you've been drinking and you haven't hydrated well, these extreme temperatures can make you susceptible to heat illness," Currie said.
Duke Energy said they have sufficient resources to meet everyone's needs this weekend. Energy personnel said they have distribution systems designed to perform in extreme temperatures.