A large portion of the northwest is dealing with extreme heat.

Environment Canada has issued heat warnings for communities from Thunder Bay east to the Manitoba boundary, and north as far as Pickle Lake.

It’s also issuing air quality statements for several areas including Red Lake, which is dealing with a large number of forest fires.

A cold front is forecast to move southward across the region late Monday, ending this heat wave.

Environment Canada warns you to watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.