In North Dakota, a recent mid-May heat wave brought record-breaking highs — then the weather completely flipped.

Advice urges people to avoid drinking coffee and alcohol. ERs in the two states are preparing for an influx of patients.

MONTANA - The state experienced unusually high temperatures on Saturday, with many areas reaching the 80s and 90s, surpassing ...

Extreme Heat Warning issued for the Mojave Desert due to high temperatures, with rains expected from Tropical Storm Alvin.

A Washington woman is suing seven oil and gas companies, saying they contributed to an extraordinarily hot day that led to ...

With summer just around the corner, the weather in the United States is heating up. In fact, an argument can be made that ...

Hotter weather is expected to impact millions of Americans, with meteorologists predicting temperatures three degrees or ...

Risks are escalating for ecosystems, fisheries water quality and coastal infrastructure, like power plants and drinking water systems.

Partly cloudy and warm tonight with lows in the 70s and low 80s. Sun and clouds on Saturday with extremely hot temperatures for this time of the year.

With potential record high temperatures expected this weekend, the danger for heat-related illnesses and even death increases — and it’s only going to get worse as temperatures get ...

Las Vegas area faces Extreme Heat Warning, with record-breaking temperatures expected across the Mojave Desert.

Reduce device strain with high-performance activities, like gaming or video streaming, that can increase device temperature.