While experts say some manufacturing could shift back to the U.S., retaliatory tariffs could dry up the Canadian market for Maine timber. But many unknowns remain.

At the U.S. Embassy in Ottawa, a quote from former President Ronald Reagan is engraved on one wall. “Let the 5,000-mile border between Canada and the United States stand as a symbol for the future," Reagan said upon signing a 1988 free trade pact with America’s northern neighbor.

Ottawa, Montreal and Quebec City are all in the heavy snow zone from the storm. A moderate to heavy amount of snow will fall on the northern parts of New York, Vermont, New Hampshire and Maine.