An 'extreme heat watch' is in effect as the heat index is expected to skyrocket. Here's timing, updated heat index values, more.

Residents can use the NWS Heat Index Calculator to calculate what the heat index is locally. In addition, there is the Heat Index Chart with a wider range of temperatures and humidity percentages.

Proactive management of livestock prior to and during heat events is critical in protecting livestock from heat stress.

Basically, when the body sweats, the perspiration evaporates, cooling the body. When the humidity is high, the sweat doesn't evaporate as quickly and the body doesn't cool itself as well. Therefore, ...

The National Oceanic and Atmospheric Administration says people should start exercising “caution” when the heat index reaches ...

What does the heat index chart look like? To get an idea of how air temperatures and humidity levels produce apparent temperatures, here is the NWS' heat index chart. (these readings apply to ...

Take action when you see symptoms of heat exhaustion and heat stroke.

Heat index chart measuring the air temperatures and relative humidity to produce an apparent temperature.

An 'extreme heat watch' is in effect as the heat index is expected to skyrocket. Here's timing, updated heat index values, more.

Excessive heat is dangerous. Here's what to know before it strikes Delaware this summer.

An 'extreme heat watch' is in effect as the heat index is expected to skyrocket. Here's timing, updated heat index values, more.