Much colder temperatures are set to infiltrate the Great Lakes and Northeast this weekend into early next week, setting the stage for snow in parts of those regions. This rather rude start to April follows what has been a relatively mild March in much of the central and eastern states.

The return to a regime more typical of winter is due to an incoming surge of arctic air that will push southward through central and eastern Canada and into adjacent parts of the northern United States. Fast-moving low pressure systems, known as clippers, will have just enough moisture to produce snow in locations where cold air is sufficient. FULL REPORT