The Coast Guard was called multiple times last winter after sleds went through the ice on their way to the Lake Superior ...

On Sunday, Jan. 4, Great Lake researchers reported a total ice coverage of 15.77%, the highest percentage of the season that ...

Yes. Though, it is rare for the entire lake system to freeze over, ice coverage can still reach 90% or more. According to GLERL's records, two lakes have frozen over completely: Lake Superior in 1973 ...

A layer of ice formed over Lake Superior on Wednesday, December 3, as “very cold temperatures” hit portions of northeast Minnesota and northwest Wisconsin. Footage from Cheryl Koval, also known as ...

The Great Lakes reached their highest ice coverage (52.23%) since February 2022. Lake Superior was the last of the Great Lakes to become ice-free on May 11, 2025. As of June 6, 2025, water ...

Pancake ice was seen on the surface of Lake Superior in Ashland, Wisconsin, across November 30 and December 1 as lake effect snow swept the area. Video filmed by Cheryl Koval shows discs of ice ...

Another year of normal conditions would be a reprieve. Winter is the fastest-warming season in the region, becoming increasingly warmer and wetter.

The Great Lakes reached their highest ice coverage in three years on February 22, hitting 52.23%. However, a warming trend caused the ice coverage to plummet to 28.95% within a few days. Lake Erie ...