Just about all areas will see daytime highs reach triple digits again. Sierra Vista is currently forecasted at a high of 101 ...

The National Weather Service caution against coffee consumption during extreme heat in three states. A dietitian-nutritionist ...

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A heatwave is hitting southern Nevada and nearby areas with an extreme heat warning and increased fire risk due to gusty ...

Car interiors will reach lethal temperatures in a matter of minutes. && 94°F ...

An Extreme Heat Warning has been extended in Phoenix, according to the National Weather Service. The warning is now scheduled to last through Friday night, as afternoon highs will reach over 110 ...

Tucson will be under an extreme heat warning Thursday. High temperatures could reach 115 degrees, just under the all time ...

A ridge of high pressure brings dangerously hot conditions to Arizona for the rest of the workweek. Some relief is on tap for the weekend.

An Extreme Heat Warning is in place for Phoenix and most of Southern Arizona through Friday night. In the Grand Canyon, the warning is in place through 7 p.m. on Friday for points below 4,000 ft ...

Highs hit 110° Wednesday and Thursday. Wind picks up Thursday, Friday, and Saturday. A drop to the 90s is expected Sunday and Monday.

"We're going to see more heat and more humidity, particularly in the Chicagoland area," said Dr. Sheethal Rao, an internal ...

As extreme heat hits California, Arizona and Nevada, health experts urge residents to avoid caffeine, alcohol and heavy meals ...