2025 Mendenhall Glacier Flood Event; Juneau, Alaska

Juneau, AK 99801, USA | 2025-Aug-12

Initial Notification: August 12, 2025: The National Weather Service announced a glacier outburt flood event has begun. Mendenhall lake levels are also showing a release has started. A crest is expected around Wednesday afternoon (August 13) near record levels of somewhere between 16.3 and 16.8ft.