ArizonaWeather.com

* WHAT...Dangerously hot conditions with temperatures ranging from
105 to 110 across much of Pima and southeastern Pinal counties
leading to widespread Major HeatRisk with localized Extreme
HeatRisk. In other areas of southeastern Arizona, high
temperatures will range from 100 to 105 degrees leading to
widespread Major HeatRisk.

* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper
San Pedro River Valley, Upper Santa Cruz River Valley/Altar
Valley, and Western Pima County.

* WHEN...From Wednesday morning through Friday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Major HeatRisk is when heat will affect
anyone without cooling or hydration and will affect health systems
and industries. Additionally,  Extreme HeatRisk is rare and
long-duration extreme heat with no overnight relief.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible
and drink plenty of water.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.