Fire crews in Greece, Spain, and Portugal are racing to contain wildfires. Calmer winds on Thursday have helped slow the blazes. Southern Europe remains at high risk due to hot, dry

A heatwave with temperatures exceeding 40 degrees Celsius, or 104 Fahrenheit, on several days this month was expected to last through Monday.

Firefighters in Spain, Portugal and Greece battled ongoing wildfires Friday, an important religious holiday in all three countries, as persistent hot, dry conditions challenged efforts to contain the blazes.