Issued by the National Weather Service and archived by Claims Pages
EXPIRED8/13/2025 12:38:00 AM (UTC)Urgency: ExpectedSeverity: SevereCertainty: Likely
8/13/2025 12:38:00 AM until 8/13/2025 7:00:00 PM
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.
* WHAT...Dangerously hot conditions, with temperatures up to 105
expected.
* WHERE...Marble and Glen Canyons, including Lake Powell and Page.
* WHEN...From 11 AM MST /noon MDT/ this morning to 7 PM MST /8 PM
MDT/ this evening.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.