Florida Weather Update: Miami Thunderstorms Set by 2 p.m. Sunday Afternoon — Heat Index Near 100

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Miami, Florida – Storm clouds are gathering over Miami as Florida braces for a round of potentially intense summer thunderstorms Sunday, July 13th, with local drivers and residents urged to stay alert. Afternoon storms could trigger hazardous travel on major roads like I-95 and leave outdoor events at risk after 2 p.m., with heat index values climbing toward 100.

According to the National Weather Service Miami-South Florida office, showers and thunderstorms are likely to develop Sunday afternoon, especially after 2 p.m. The chance of precipitation reaches 70%, with lightning, heavy rain, and sudden gusty winds possible. Residents should move plans indoors, avoid flooded streets, and stay tuned for real-time alerts. Miami-Dade County Emergency Management advises motorists to reduce speed, keep headlights on, and never drive through high water.

Localized downpours may cause street flooding in low-lying areas, with standing water possible along sections of I-95 and surface roads. The heat index will make it feel even hotter, so stay hydrated and check on vulnerable neighbors. If power outages occur, have flashlights and battery chargers ready.

Looking ahead, Miami remains locked in a wet summer pattern. More thunderstorms are expected Monday (80% chance), especially into the evening. The unsettled weather continues through Thursday, with daily highs in the mid to upper 80s and rain chances lingering at 60–70%.

Five Day Miami Forecast:

  • Sunday [High 88°F]: Showers and thunderstorms likely after 2 p.m. Heat index near 100.
  • Monday [High 85°F]: Thunderstorms likely, mainly before 5 p.m., with more rain possible at night.
  • Tuesday [High 85°F]: More storms likely in the afternoon.
  • Wednesday [High 86°F]: Showers and thunderstorms likely, partly sunny.
  • Thursday [High 87°F]: Continued chance of storms, partly sunny.