* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 expected.
* WHERE...Marble Canyon, Glen Canyon, and Oak Creek Canyon; including Page and Sedona.
* 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.