Residents and visitors of Key Biscayne are advised to take necessary precautions as the National Weather Service issues a heat advisory, anticipating temperatures to climb into the upper 90s throughout Wednesday. The combination of intense sunshine and high humidity levels is expected to create dangerous heat index values near or above 105°F. Officials urge the community to stay hydrated, limit outdoor activities during peak afternoon hours, and look out for signs of heat-related illnesses such as dizziness, nausea, and excessive sweating.

To help you prepare for the day ahead, here are some critical reminders:

  • Drink plenty of water and avoid sugary or alcoholic beverages.
  • Wear lightweight, loose-fitting clothing and sunscreen.
  • Seek air-conditioned environments whenever possible, especially for children and elderly individuals.
  • Never leave pets or vulnerable persons inside parked vehicles.
Time Expected Temperature Heat Index
12 PM 92°F 99°F
3 PM 97°F 106°F
6 PM 94°F 102°F