‘Heat dome’ brings intense heat to eastern Canada, United States

It was a scorcher in the eastern half of the country Saturday as temperatures across Eastern Ontario, southern Quebec and much of the Maritimes hit the high 30s/low 40s with humidity. Parts of the northeastern United States were also affected.

The nation’s capital alone hit 46 C with the humidity thanks to what meteorologists are calling a “heat dome.”

WATCH: Extreme heat warnings issued for large parts of Canada

1:13 Extreme heat warnings issued for large parts of Canada

“Hot temperatures and high humidity levels are building across the central U.S. and this air mass will quickly expand north and east by Friday under a developing heat ridge or heat dome,” Global News chief meteorologist Anthony Farnell said.

WATCH: Man takes dip in Washington Square Park fountain as heatwave hits New York City

0:37 Man takes dip in Washington Square Park fountain as heatwave hits New York City

Environment Canada issued a heat warning on Thursday for much of the affected areas.

Here’s a breakdown of how high the mercury got in the eastern part of the continent as of 3 p.m. Saturday.

Ontario

• Windsor: 32 C, feels like 42 C with the humidity.
• London: 31 C, feels like 39 C.
• Hamilton: 31 C, feels like 43 C.
• Toronto: 32 C, feels like 44 C.
• Kingston: 30 C, feels like 44 C.
• Ottawa: 34 C, feels like 46 C.

Quebec

• Maniwaki: 30 C, feels like 37 C.
• Montreal: 31 C, feels like 41 C.
• Quebec City: 30 C, feels like 39 C.

The Maritimes

• Fredericton: 31 C, feels like 39 C.
• Halifax: 31 C, feels like 39 C.

The United States

• New York City, N.Y.: 34 C, feels like 38 C.
• Boston, Mass.: 34 C, feels like 40 C.
• Portland, Maine: 32 C, feels like 36 C.
• Philadelphia, Pa.: 36 C, feels like 41 C.
• Chicago, Ill.: 35 C, feels like 43 C.
• Detroit, Mich.: 34 C, feels like 39 C.

A cold front forecast for Sunday should push the heat back down south and bring cooler temperatures.