Firefighters were battling blazes in France, Spain, Portugal and elsewhere. Forecasters warned that temperatures would soar well above 100 degrees Fahrenheit in some places.

© Susana Vera/Reuters

Wind gusts of more than 80 miles per hour are possible on Monday, especially in Scotland, as officials warned residents to stay inside.

© Met Office

Wind gusts of more than 80 miles per hour are possible on Monday, especially in Scotland, as officials warned residents to stay inside.

© Met Office