The city of Phoenix will restrict some of its most popular hiking trails starting Thursday, following an Extreme Heat Warning ...

Phoenix faces a historic March heat wave with 106 degrees possible this week.

Unusually high temperatures in parts of the Southwest is closing hiking trails as temperatures hit 100 degrees early this season.

With an unprecedented heat wave coming to Arizona, Phoenix hiking trails are at risk of temporarily closing in March for the first time ever.

A family of 11, ignoring closure signs due to extreme heat, were rescued from a Phoenix hiking trail. The rescue occurred on the Holbert Trail at South Mountain Park, which was closed due to an ...