Multiple wildfires have already erupted in parts of the western United States, including in Oregon and California's Napa County.

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.

A wildfire that destroyed four homes in central Oregon was starting to stabilize on Monday, authorities said, while a blaze in Northern California wine country has so far spared some of the state's most famous vineyards.