"We really have to see what is the health care situation like in Mexico and Canada, how are their cases, have they hit their curve?" Wolf said at a US Chamber of Commerce event.
"What we don't want to do is try to open up parts of our economy and have a lot of folks coming across the border that we haven't seen in the past 50 or 60 days."
Earlier Tuesday, Prime Minister Justin Trudeau said Canada and the United States have agreed to extend a ban on non-essential land travel between the two nations by another 30 days.