There is an increased risk of extreme heat across much of Florida, including Miami, next week and into next weekend tied to mid-level high pressure. Heat index values may exceed 105 deg F. Little overnight relief expected with record high minimum temperatures possible.
ALT The Days 8-14 U.S. Hazards Outlook, valid for the period of Jun 18-24, 2026 from the Climate Prediction Center. A 40-60 percent chance of Extreme Heat is indicated over much of the Florida Peninsula including Miami, Jun 18-22, where heat index values may exceed 105 deg F. In addition, little overnight relief is expected with record high minimum temperatures possible.