Saskatchewan has broken 37 heat records in the past four days, according to Environment Canada.

Environment Canada has issued a heat warning, urging people to be extra cautious.

Parking lots at White Pine Beach, Sasamat Lake and Buntzen Lake were all closed before 9 a.m. Sunday.

A heat warning has been issued for several regions in southern Quebec.

London is under a heat warning until Monday, according to Environment Canada.

'Sleeping without air conditioning will be very uncomfortable,' Global News weather specialist Mike Arsenault said.

The London region has recorded at least 13 days this month with highs of 30 C or above.

While dangers associated with water-related activities are more prevalent in the summer months, extreme heat is also an issue when it comes to things like vehicle safety. 

Environment Canada is forecasting highs of 25 C near the water, with the mercury climbing into the low 30s in the Fraser Valley.

The ridge of high pressure is anticipated to roll in by Sunday, when daytime highs could hit the low 30s.