A record-breaking heat wave could ease over parts of British Columbia, Yukon and Northwest Territories by Wednesday but any reprieve for the Prairie provinces is further off.

Environment Canada says the “historic” weather system shattered 103 heat records across B.C., Alberta, Yukon and N.W.T. on Monday.

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Those records include a new Canadian all-time high temperature of 47.9 C set in Lytton, B.C., smashing the previous record of 46.6 set in the same village a day earlier.

All-time maximum temperature records were also set in the Alberta communities of Jasper, Grande Prairie and Hendrickson Creek for a second day as the mercury hit the mid- to high-30s.

Click to play video: 'Hotter days ahead: June 28 Manitoba weather outlook'

Hotter days ahead: June 28 Manitoba weather outlook

Hotter days ahead: June 28 Manitoba weather outlook

It was 38.1 C in the Nahanni Bute region of N.W.T., the highest temperature ever recorded in the territory.

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The weather office has also issued four heat warnings for regions along Manitoba’s western boundary.

Forecasters warn extreme conditions will persist across the Prairies at least through this week and possibly into next.

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As the sweltering system slides out of B.C., dipping temperatures to more seasonal values, the weather office is calling for a chance of lightning Wednesday night in the parched southern Interior. It’s the same area where evacuation alerts were issued Monday as a wildfire grew to nearly two square kilometres.

The BC Wildfire Service announced a provincewide campfire ban effective at noon Wednesday, as the wildfire risk across most of B.C. is rated at high to extreme.

The ban, which also covers fireworks, torches and burn barrels, remains in effect until Oct. 15.

Click to play video: 'Keeping Winnipeg’s vulnerable population safe in the heat'

Keeping Winnipeg’s vulnerable population safe in the heat

Keeping Winnipeg’s vulnerable population safe in the heat – Jun 3, 2021

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