National Weather Service United States Department of Commerce

An Extreme Heat Warning for all of northern Ohio and a Heat Advisory for Northwest Pennsylvania remain in effect through Thursday. Daily maximum heat index values will range between 100 and 108°F through at least Thursday. If outside, continue to take extra caution and frequent breaks over the next several days.
Shower and thunderstorm activity will ramp up starting on Friday and continue through the weekend. There is potential for strong to severe thunderstorms this weekend. Hot and humid conditions will continue into the Independence Day holiday weekend and extensions of heat headlines are possible.
With hot temperatures expected this week, here's a graphic showing signs and actions for heat-related illnesses. Take extra care to prevent heat exhaustion and heat stroke!
Summer heat will be in full swing this week! Remember to "Look Before You Lock" your vehicle to prevent heat-related deaths. Temperatures inside vehicles will very quickly exceed 100 degrees, creating dangerous conditions for children or animals left in cars.