As Europe and North America endure or brace for yet another wave of sweltering heat and out-of-control wildfires this summer, ...

Mayor Michelle Wu declared a heat emergency for the City of Boston. Here's how hot it's expected to get in Boston and other ...

The heat index ― which measures how hot it feels to the human body when humidity and air temperature combine ― is forecast to ...

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 ...

Here’s your First Alert Forecast: MONDAY: A mix of clouds and sun. A shower or storm is possible in the afternoon. Higher ...

The hot weather continues in Brevard with a 'major' heat risk as heat index climbs to triple digits. Any relief in sight?

Sunday and Monday are weather Impact Days for the chance of scattered storms. Highs will be in the mid- and upper 90s with ...

Temperatures are projected to rise into the mid to upper-80s across the area today, with heat index values in the 90s ...

The sky will be mostly sunny today but expect more of a hazy appearance as wildfire smoke passes through the Ohio Valley, ...

While the actual temperature will reach 93 today, the “feels-like” heat index temperature is predicted to reach 107 in West ...

Temperatures and humidity will continue to climb as we make our way through the upcoming week. By Thursday and Friday, high ...

Houston faces extreme heat with a heat index up to 111 degrees, possible thunderstorms, and persistent high overnight ...