Start at the mountain of kings
Montreal - which means something like royal mountain
Then go down the country to face the oldest rivals.
Toronto - Ice hockey rivalry between Montreal and Toronto is the oldest as per Wikipedia
Go on down through the bizarre,
Lake Erie - pronounced eerie, which means bizarre
And you'll find the place that cuts.
Cleveland - cleave
Go a hundred miles southeast to find birds,
Pittsburgh - Pittsburgh penguins hockey team
Then leave to see those who last fought metal in the end.
Green Bay, WI - won the super bowl against Pittsburgh Steelers
Go North, passing the one above
Lake Superior - Superiors are above you
To end where the lightning strikes.
Thunder Bay, ON
Go North west one border over to find two types of planes
Winnipeg - Winnipeg Jets (hockey) and Winnipeg Blue Bombers (football)
Then seek their recent enemies for the grey. (Thanks to f'')
Vancouver - Winnipeg was against Vancouver in 2011 in Grey Cup
From there, go south less than a two hundred miles
What's the weather there
Seattle Weather or stormy (Seattle Storm basketball) or cloudy, because when is Seattle not cloudy