A Heat Advisory is in effect from noon to 7 p.m. Saturday for portions of west-central Florida as heat index values are expected to reach 109 degrees, according to the National Weather Service.

Why it matters: High temperatures combined with oppressive humidity can quickly lead to heat exhaustion or heat stroke, especially for people spending extended time outdoors.

The latest:

  • Heat index values could climb as high as 109 degrees Saturday afternoon.
  • The advisory includes Sumter, Coastal Levy, Coastal Citrus, Coastal Hernando, Inland Levy, Inland Citrus and Inland Hernando counties.
  • The highest heat is expected between noon and 7 p.m.

Stay safe:

  • Drink plenty of water throughout the day.
  • Spend time in air-conditioned buildings whenever possible.
  • Wear lightweight, loose-fitting clothing.
  • Limit strenuous outdoor activities to the early morning or evening.
  • Check on older adults, neighbors and anyone without access to air conditioning.
  • Watch for signs of heat exhaustion and heat stroke and seek medical attention if symptoms become severe.

Bottom line: Dangerous heat and humidity will make it feel close to 110 degrees across parts of west-central Florida Saturday, and residents are urged to take precautions to avoid heat-related illness.