Florida Moderate Heat Advisory | Effective 08/20/2026 22:15

Headline: 
Heat Advisory issued August 21 at 1:15AM EDT until August 21 at 6:00PM EDT by NWS Miami FL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 20, 2026 - 10:15pm
Expires: 
August 21, 2026 - 3:00pm
Description: 
* 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.
Instruction: 
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.
Area Description: 
Inland Broward County; Metro Broward County; Inland Miami-Dade County; Metropolitan Miami Dade; Coastal Broward County; Coastal Miami Dade County; Far South Miami-Dade County
Forcast Office: 
NWS Miami FL
Sender: 
w-nws.webmaster@noaa.gov