Overview

• Lightning strikes earlier this week ignited wildfires along rims of the Grand Canyon and Black Canyon of the Gunnison in the dry Southwest.
• Visitors have been evacuated from the Grand Canyon North Rim and parts of Black Canyon after fires spread outside park boundaries.
• Flames are advancing toward Jacob Lake, Arizona, threatening local residents and raising health concerns over heavy smoke.
• The North Rim closure remains in effect indefinitely, with fire crews continuing containment efforts.
• Authorities have not yet determined the full number of evacuees pending completion of impact assessments.