30°10'N / 81°23'W / Altitude 1 m / 10:19 2026/07/28, America/New_York (UTC-4)
From: 2026/07/28, 11:00
To: 2026/07/28, 20:00
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Northeast Coastal St. Johns,St. Johns
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.
NWS Jacksonville FL
2026/07/28, 00:11