Ten structures — including four homes — have been destroyed by a wildfire sweeping through central Oregon as thousands of homes in the state and in Northern California wine country remained under evacuation orders Monday.

Two major wildfires in California and Oregon force mass evacuations as firefighters battle blazes amid dangerous heat conditions.

Thousands of homes were under evacuation orders and warnings on Sunday from wildfires in Northern California wine country and central Oregon as crews battled the flames in dry, hot weather.