Full Notification

TIMING...Heat index values of 105-110 and higher are likely
  during the afternoon and early evening hours through Sunday.

* HEAT INDEX VALUES...Up to 110 and locally higher due to
  temperatures in the lower 90s, and dewpoints in the mid 70s.

* IMPACTS...The likely combination of hot temperatures and high
  humidity will lead to an increased risk of heat-related stress
  and illness. The very young, the elderly, those without air
  conditioning, and those participating in strenuous outdoor
  activities will be the most susceptible. Also, car interiors
  can reach lethal temperatures in a matter of minutes.