Temperatures in parts of California, Arizona, Utah and Nevada are expected to hit between 100 and 111 degrees Fahrenheit.

How summer heat becomes a silent killer in your body fast - heatstroke can cause permanent damage or death within hours ...

An excessive heat warning means that a dangerous level of ... but skip this step if they have signs of heatstroke. If all of this is too much to remember, the Red Cross has a printable fact ...

Signs of heat exhaustion or heat stroke include symptoms such as muscle cramps, excessive sweating, a throbbing headache, passing out, confusion and seizures. An excessive heat warning ...

The heat in Washington — which went into overdrive in mid-June — is becoming insufferable. Tuesday became the fifth day in a row hitting at least 97 degrees and the 22nd day reaching 90 ...

An excessive heat warning is now an extreme heat warning ... Weather alerts via text: Sign up to get updates about current storms and weather events by location Last week, the National Weather ...