Temperatures across Michigan are expected to hit the 90s through the weekend, warm enough to tempt people to swim in the Great Lakes. Lake Erie and Lake Huron have posted readings at or near 70 degrees Fahrenheit, although lake temperatures typically don’t peak until late summer/early fall, according to GLISA. In Lake Superior, though, the high temperatures were in the 58-degrees Fahrenheit range in some places. Read the full story by The Sault Ste. Marie Evening News.