34°44'N / 112°0'W / Altitude 1012 m / 08:06 2026/07/28, America/Phoenix (UTC-7)
From: 2026/07/27, 11:54
To: 2026/07/30, 10:00
* WHAT...Dangerously hot conditions, with temperatures around 104 to 108 expected. * WHERE...Marble and Glen Canyons and Oak Creek and Sycamore Canyons. * WHEN...From 10 AM MST /11 AM MDT/ Friday to 8 PM MST /9 PM MDT/ Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.
Yavapai
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.
Take action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
NWS Flagstaff AZ
2026/07/27, 11:54From: 2026/07/27, 11:54
To: 2026/07/30, 10:00
* WHAT...Dangerously hot conditions, with temperatures around 106 to 112 expected below 4000 feet. * WHERE...Yavapai County Valleys and Basins. * WHEN...From 10 AM Friday to 8 PM MST Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.
Yavapai,Yavapai County Valleys and BasinsDrink 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.
Take action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.NWS Flagstaff AZ2026/07/27, 11:54