Almost all of B.C. is now under a heat warning, as forecasters are warning of dangerously high temperatures lasting until next week.

The warnings from Environment Canada cover most of the province except for pockets in the northwest, southeast, and along the Central Coast and west coast of Vancouver Island.

Daytime highs of up to 40 C are in the forecast for B.C.’s hottest spots in the southern Interior and are expected to last from Friday until Tuesday in what meteorologists are calling a “dangerous long duration heat wave.”

In many parts of the province, temperatures aren’t expected to dip below 20