A heat advisory has been issued for Miami-Dade and Broward counties in South Florida due to dangerously high temperatures and humidity. Authorities are warning residents about the increased risk of heat-related illnesses. The combination of extreme heat and high humidity creates a potentially hazardous environment, especially for vulnerable populations. Residents are advised to stay hydrated, limit outdoor activity during peak heat hours, and check on elderly neighbors and family members. Local officials are emphasizing the importance of taking preventative measures to avoid heat exhaustion and heat stroke. The advisory remains in effect until further notice as the heat wave persists. Individuals experiencing symptoms of heat illness should seek medical attention immediately.