NWS Las Vegas issues a moderate HeatRisk alert and forecasts above-normal temperatures with limited shower chances.

This weekend into next week, an uptick in heat and humidity is headed for many regions. Maps show how hot and humid it will ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

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

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

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

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

The National Weather Service office in Las Vegas also issued an “extreme heat warning” for Death Valley National Park, the ...

Atlantic. Relief is expected, but forecasts predict above-average temperatures through July 4 across many regions.

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