* WHAT...Dangerously hot conditions with near record high
temperature values of 107 to 113 expected.
* WHERE...Western Pima County, Tohono O'odham Nation, Tucson Metro
Area, South Central Pinal County, Southeast Pinal County and
Upper Gila River Valley.
* WHEN...Until 10 PM MST Friday.
* IMPACTS...Extreme heat and humidity will significantly
increase the potential for heat related illnesses,
particularly for those working or participating in outdoor
activities.