Headline:
Heat Advisory issued August 18 at 12:32PM EDT until August 19 at 8:00PM EDT by NWS Jacksonville FL
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 18, 2026 - 9:32am
Expires:
August 18, 2026 - 5:15pm
Description:
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 113. For the Heat Advisory, heat index
values up to 112 expected.
* WHERE...Portions of northeast and northern Florida and southeast
Georgia.
* WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening.
For the Heat Advisory, from 11 AM to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. 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.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
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.
Stay cool, stay hydrated, stay informed.
Area Description:
Suwannee; Baker; Inland Nassau; Union; Bradford; Gilchrist; Inland Flagler; Eastern Hamilton; Coastal Nassau; Coastal Duval; Eastern Clay; Eastern Alachua; Eastern Putnam; Coastal Flagler; Eastern Marion; Western Hamilton; Trout River; Western Clay; Northeast Coastal St. Johns; Western Alachua; Western Putnam; Central Marion; Northern Columbia; South Central Duval; Southeast Coastal St. Johns; Western Marion; Southeastern Columbia; Western Duval; Northern Inland St. Johns; Southwestern Columbia; Southern Inland St. Johns; Western St. Johns; Inland Glynn; Coastal Glynn; Echols; Inland Camden; Coastal Camden
Forcast Office:
NWS Jacksonville FL
Sender:
w-nws.webmaster@noaa.gov