The biggest flooding concerns will be Monday night into Tuesday as rain continues.
On Sunday, Juneau hit 80 degrees for the first time this year. On Monday, it was 83 degrees.
Water is already spilling over the ice dam, and the lake below the glacier is approaching flood stage from rain water.
National Weather Service issued a flood advisory on July 4 when a river gauge at the Canadian border showed water levels rapidly rising.
Because of a higher risk of landslides, the City and Borough of Juneau has temporarily closed the Flume Trail.
There’s enough water in Suicide Basin to fill an estimated 10,000 Olympic-sized swimming pools. This year, as in previous years, that water could eventually flow under Mendenhall Glacier and flood Mendenhall Lake and Mendenhall River.
Believe it or not, one of the worst droughts in the nation right now is in Southeast Alaska. Meanwhile, cities like Wrangell are struggling to keep up with summer water demand.
A drought declaration for parts of Southeast Alaska has expanded to include Sitka and Juneau. That means most of Alaska’s panhandle is officially in moderate to severe drought, and fish hatcheries are facing diminishing water supplies.
Eaglecrest Ski Area managers hope the new snow will allow them to operate the upper mountain chairlifts.
As of 2 p.m., the river was at 38.3 feet and is expected to rise another four and a half feet, just below minor flood stage, by late tomorrow morning.