News

What is the heat index and how hot is too hot to exercise?
The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air ...
WCIV8h
Heat advisory issued for Lowcountry with heat index possibly reaching 112 degrees Friday
A Heat Advisory has once again been placed over the entire Lowcountry and is set to be in effect from 11 a.m. to 8 p.m.
North Alabama under an extreme heat warning until Tuesday night – heat index values to reach 110 degrees
At 12:11 a.m. on Tuesday, the National Weather Service issued an extreme heat warning valid between 11 a.m. and 9 p.m. for ...
Heat index vs. wet bulb globe temperature: What's better for heat wave safety?
If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...
News4JAX2d
Extreme heat warning issued through tonight as brutal triple-digit heat index continues
Jacksonville is under an extreme heat warning until 7 p.m., with temperatures expected to climb into the hundreds and a feels ...
Dangerous heat prompts NWS to issue extreme heat warnings in Florida. Heat index could hit 115
Jacksonville, North, Northeast Florida: Dangerous heat today, with heat index of 108 to 115. Extreme heat warning and heat ...
Much of Brevard under 'major' heat risk with triple-digit heat index
The hot weather continues in Brevard with a 'major' heat risk as heat index climbs to triple digits. Any relief in sight?
As heat index nears 115, know the difference between heat exhaustion and heat stroke
Knowing the difference between heat exhaustion and heat stroke could be the key to saving someone’s life. Here’s what you ...
WTOK2d
High heat index values return for Wednesday afternoon
Heat index values will hover around 110 degrees this afternoon, but scattered showers and thunderstorms will be in store ...
Heat index warnings can save lives on dangerously hot days − if people understand what they mean
Humidity doesn’t just make you feel sticky and uncomfortable – it also creates extra dangerous conditions on hot days.