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 ...
WCIV13h
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.
Heat index warnings can save lives on dangerously hot days − if people understand what they mean
You’ve probably heard people say, “It’s not the heat, it’s the humidity.” There’s a lot of truth to that phrase, and it’s ...
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 ...
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 ...
WTOK20m
Thankfully, no heat alerts are expected this weekend
Highs will stay below the average both Saturday and Sunday... ranging between 87-92 degrees. Heat index values will stay closer to 100 instead of hovering around 110... thanks to dew points dropping ...
News4JAX3d
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 ...
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 ...
Looking back at the historic July 1995 heat wave in Chicago
A historic, deadly heat wave affected much of the Midwest and specifically Chicago in July of 1995. Over 700 deaths were ...