32°2'N / 110°42'W / Altitude 985 m / 01:06 2026/03/19, America/Phoenix (UTC-7)
From: 2026/03/18, 13:01
To: 2026/03/19, 05:15
* WHAT...Dangerously hot conditions with high temperatures of 95 to 100 degrees expected. The hottest days are currently expected to be Friday March 20 and Saturday March 21.
* WHERE...Eastern Cochise County below 5000 feet, Upper Gila River Valley, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Pima
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
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.
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.
NWS Tucson AZ
2026/03/18, 13:01From: 2026/03/18, 13:01
To: 2026/03/19, 05:15
* WHAT...Dangerously hot conditions with high temperatures of 100 to 108 degrees expected. The hottest days are currently expected to be Friday March 20 and Saturday March 21.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Western Pima County.
* WHEN...From 11 AM Thursday to 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Pima,Tucson Metro Area including Tucson/Green Valley/Marana/VailDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
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.
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.NWS Tucson AZ2026/03/18, 13:01