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.
St. Lucie County, Florida FirstAlerts
Everything reported for St. Lucie County and within 40 miles of it, at every level. Warnings and official records name the county they apply to, which is the level most of them are issued at.
Severe Weather
6 reportsHeat 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 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 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.
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.
Disaster Declarations
6 reportsMartin County, Florida, Covered by Major Disaster Declaration for Hurricane Isaac — Public Assistance Only
Federal money is available to governments and certain nonprofits in Martin County for Hurricane Isaac damage; no household grants were declared for the county.
St. Lucie County Gets Public Assistance, Not Household Grants, Under Hurricane Isaac Major Disaster Declaration
Federal records show Public Assistance was declared for St. Lucie County under DR-4084-FL for Hurricane Isaac, while Individual Assistance was not declared for the county.
Okeechobee County Gets Federal Emergency Declaration for Hurricane Isaias
The declaration covers damage from July 31 to August 4, but does not include individual assistance for households.
St. Lucie County under federal emergency declaration for Hurricane Isaias
FEMA declared an emergency for St. Lucie County, Florida, covering damage from Hurricane Isaias from July 31 to August 4, 2020.
Martin County Emergency Declaration for Hurricane Isaias
FEMA declares emergency for Martin County, Florida, covering Hurricane Isaias; public assistance available, but no individual assistance for households.
Indian River County Emergency Declaration for Hurricane Isaias
Federal emergency declaration covers public assistance, not individual household grants.