Nevada and Arizona hit by potentially deadly heat wave, with temperatures in Furnace Creek in Death Valley expected to ...

A Climate Central analysis reveals one in five U.S. cities now experiencing an additional month of above-normal temperatures, ...

A dangerous heat wave begins Monday, and temperatures in the Philadelphia area will feel like 105 to 110 degrees. Heat ...

Officials warn of health risks as massive weather system traps sweltering air.

Las Vegas to remain under an Extreme Heat Warning with triple-digit temperatures and nighttime heat, with cooler weather ...

A powerful heat wave continues to grip the Southwest, with dangerously high temperatures impacting much of Arizona, ...

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

Nevada Gov. Joe Lombardo did sign several environmental justice bills pushed by Make the Road Nevada, Chispa Nevada, the ...

The Las Vegas valley remains under an extreme heat warning for the second day. Temperatures are expected to peak at 108 ...

A punishing heat wave in the Southwest is set to spread east in the coming days, with temperatures over 90 degrees Fahrenheit ...

Chicago faces a severe heatwave with highs near 96°F, a heat index around 105°F, and winds up to 40 mph this weekend.

Hundreds of people working or playing outside – even those who seem healthy – succumb to heat-related illnesses each year.