"Unprecedented" heat wave in western North America set to pass, but impacts linger

The heat wave hitting much of western North America, both in Canada and the U.S., has been called "unprecedented" by some as multiple cities break heat records, including the village of Lytton, B.C., which once again saw the hottest temperature ever recorded in Canada for the third-straight day on Tuesday, hitting 49.6 C.

South of the Canada-U.S. border, millions of Americans have been coping with abnormal temperatures, forcing tanker trucks to hose down drawbridges in Seattle, Wash. to ensure the mechanisms continue working, while roads are buckling in other cities.

The so-called "heat dome" sitting over the wide swath of provinces and states is expected to move east, but with both countries only in the beginning of the summer, Global News meteorologist Ross Hull cautions peak temperatures for the season have yet to be seen.

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