25°42'N / 80°19'W / Altitude 3 m / 03:41 2026/08/21, America/New_York (UTC-4)
From: 2026/08/21, 11:00
To: 2026/08/21, 18:00
* WHAT...Heat index values up to 107 expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Inland Broward County, Inland Miami-Dade County, Metro Broward County, and Metropolitan Miami Dade Counties. * WHEN...From 11 AM this morning to 6 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Metropolitan Miami Dade,Miami-Dade
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
NWS Miami FL
2026/08/21, 01:15