What is the heat index today? 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 ...

The National Weather Service issued a heat advisory today for several counties along the Front Range, including Denver, El Paso and Weld counties.

More than 100 million Americans are under heat alerts as the extreme temperatures that have smothered the Midwest this week arrive on the East Coast.

Heat exhaustion and heatstroke can be brought on by extremely high temperatures. How to keep others and yourself safe.

As summer begins to draw to a close millions of us will start thinking about the upcoming winter season. However, Brits won’t ...

Dangerously hot conditions hit states up and down the West Coast over the weekend, owing to a persistent heat wave stretching ...

The First Alert Weather Team is on HEAT ALERT Monday as temperatures rise to the upper 90s and the heat index values range from 105 to 110 degrees.

Records may be met or broken on Friday, Saturday, and Sunday as the heat takes hold. A Heat Advisory is in effect for the ...

Temperatures are expected to range from the upper 80s to the upper 90s, with a heat index that could reach 100 to 105. What is the heat index?