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NewsWSVN 7 News MiamiAugust 21, 2026Miami-Dade

National Weather Service issues Heat Advisory for Miami-Dade and Broward counties

A Heat Advisory is in effect for Miami-Dade and Broward counties from 11am to 6pm Friday due to high temperatures and humidity. Residents should expect heat index values between 105 and 110 degrees, followed by scattered storms throughout the afternoon and evening.

weatherpublic safetyemergency managementhurricane season
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Why It Matters

Residents face increased health risks from extreme heat and potential localized flooding from strong storms throughout the weekend.

Key Facts

  • A Heat Advisory is active for Miami-Dade and Broward counties on Friday from 11am to 6pm.
  • Heat index values are expected to reach between 105 and 110 degrees.
  • Scattered storms are forecast to develop after midday through the evening.
  • Strong storms may produce gusty winds, heavy rain, and localized flooding.
  • Hot conditions are expected to continue through Saturday.
  • A return to a typical summer weather pattern is expected by Sunday.
  • The National Hurricane Center is monitoring a low-pressure system near the Azores with a 20% chance of development.
  • The National Hurricane Center is monitoring a low-pressure system east-southeast of Bermuda with a 10% chance of development in 48 hours and 20% over seven days.
  • There are currently no tropical threats to South Florida.

Who's Mentioned

locationBermuda“Location of monitored low-pressure system”organizationNational Hurricane Center“Monitoring Atlantic weather systems”locationAzores“Location of monitored low-pressure system”locationMiami-Dade“Area under Heat Advisory”locationBroward“Area under Heat Advisory”