Heat Alerts Issued Across Florida and South Plains; Conflicting Details Reported
Officials warn of dangerous heat and possible heat illnesses, though reports differ on alert level, timing, and issuing office.
Severe Weather in Martin County, Florida
Every severe weather report published for Martin County, Florida, newest first.
Heat Advisory Issued for East Central Florida on August 20
An official Heat Advisory from the National Weather Service Melbourne FL is in effect from 10 AM to 7 PM EDT on August 20, 2026.
National Weather Service Issues Heat Advisory for Portions of South Florida
A Heat Advisory is in effect on August 20, 2026, with heat index values up to 110 expected.
Heat Advisory Covers Orlando, Daytona Beach and 20 Zones Across East Central Florida
The National Weather Service in Melbourne warns of heat index values 108 to 112 in Inland Volusia, Northern Lake, Orange and 17 other zones from 10 AM to 8 PM EDT Wednesday.
Heat Advisory for Glades, Hendry and Inland Palm Beach County: Heat Index 105 to 112
National Weather Service Miami FL says the advisory runs from 11 AM to 7 PM EDT Wednesday and covers 15 zones across all of South Florida.
Heat Advisory Starts 10 AM Tuesday in Orange, Brevard, Volusia and 17 More East Central Florida Zones
The National Weather Service Melbourne FL record calls for heat index values of 108 to 112 across 20 zones, from Volusia south to Martin and west to Okeechobee, before the advisory lifts at 8 PM EDT the same evening.
Heat Advisory Covers Glades, Hendry and Inland Palm Beach County, Heat Index to 112
The National Weather Service Miami FL heat advisory runs from 11:00 AM to 7:00 PM EDT on August 18, 2026, across 15 South Florida zones, with heat index values of 105 to 112 expected.
Heat Advisory in Effect for All of South Florida Until 7 PM EDT
The National Weather Service Miami FL expects heat index values of 105 to 110 from 11 AM to 7 PM EDT on August 17, 2026.
Heat Advisory in Force for 20 East Central Florida Zones Until 8 PM Monday
The National Weather Service office in Melbourne, Florida, expects heat index values of 108 to 112 from 10 AM to 8 PM EDT on Monday, August 17, 2026. The advisory expires at 8 PM EDT that evening.
NWS Melbourne Extends Heat Advisory for East Central Florida Through 8 PM EDT
The Heat Advisory across east central Florida now runs longer than first issued, spanning from 10 AM to 8 PM EDT on August 16, 2026.
National Weather Service Extends South Florida Heat Advisory to 7 P.M. EDT
A Heat Advisory for all of South Florida on August 16 now runs longer, remaining in effect until 7 p.m. EDT.
NWS Warns Hot Temperatures and High Humidity May Cause Heat Illnesses in East Central Florida
The National Weather Service has issued updated impact guidance as heat index values reach up to 112 degrees.
- Severe WeatherAug 10, 2026, 8:27 p.m. ET
Heat Advisory Warns of Heat Exhaustion, Heat Stroke Risk in Palm Beach County
Apparent temperatures could reach triple digits across much of South Florida through early evening, with the advisory now spelling out the illnesses those conditions can cause.