National Weather Service United States Department of Commerce

This Day In Weather History

 
In 1988, an Arctic air mass invaded the Northern Plains and Upper Great Lakes. International Falls, MN plunged into a thermal abyss with low of 25 below zero, which was the coldest location in the nation. Sault Saint Marie, MI plunged to 14 below. Parts of Eastern Upper Michigan remained below zero throughout the day.

 


This Day in Weather History Archive