"Florida Counties Under Excessive Heat Warning"

Miami-Dade and Broward counties in Florida have been issued an Excessive Heat Warning, the second time ever, with heat index values expected to reach up to 112 degrees. The warning will be in effect until 8 p.m. Friday, while a regular heat advisory will be in effect until 8 p.m. Sunday. The National Weather Service advises people to stay hydrated, avoid the sun if possible, and reschedule strenuous activities to cooler times of the day. The extreme heat increases the risk of heat-related illnesses, especially for those working or participating in outdoor activities.