Wildfires were raging in Spain and France on Tuesday after a dayslong heat wave parched landscapes in the region and turned woodlands into tinderboxes.

French and Spanish firefighters battled blazes that burned through thousands of acres for a second day. The fires followed a heat wave that dried out the terrain, creating fuel for wildfires, according to weather agencies and experts.

In Portugal, Lisbon was forecast to reach 33 C (91 F), typical for this time of the year, though some inland areas could still see peaks of 43 C (109 F), according to the national weather agency. June temperature records were broken in two locations in Portugal on June 29.

A marine heat wave in the Mediterranean is combining with a powerful heat dome to cause Europe to swelter under a brutal early summer heat wave.