Miami, FL – South Florida will bake under intense late-summer heat Friday, with the National Weather Service warning of heat index values climbing to 102°F in Miami by mid-afternoon. A 20 percent chance of thunderstorms could develop after 2 p.m., potentially bringing brief downpours and lightning to the metro area.
According to the National Weather Service in Miami, the day will start mostly sunny with light east winds, but rising humidity and temperatures near 88°F will push heat index readings into dangerous territory between noon and 5 p.m. Afternoon storms, while limited in coverage, could briefly slow traffic along I-95, U.S. 1, and the Dolphin Expressway. Outdoor workers and event organizers are urged to plan for shade, hydration, and possible weather interruptions.
The heat and storm potential are expected to ease after sunset, with overnight lows near 82°F. Similar conditions will return over the weekend, though Saturday and Sunday carry slightly higher thunderstorm chances during the afternoon.
Five Day Miami, FL Forecast:
- Friday: 20% chance of afternoon thunderstorms, high 88°F, low 82°F.
- Saturday: 30% chance of afternoon thunderstorms, high 88°F, low 82°F.
- Sunday: 40% chance of afternoon thunderstorms, high 89°F, low 81°F.
- Monday: 40% chance of afternoon thunderstorms, high 89°F, low 81°F.
- Tuesday: 50% chance of showers and thunderstorms, high 90°F, low 81°F.
