(CNN) Dry thunderstorms on Saturday will raise the risk of sparking new wildfires in the Western US, where numerous blazes have already scorched hundreds of thousands of acres. Red-flag warnings were posted for Idaho, Oregon and a small portion of Northern California, CNN meteorologist Robert Shackelford said. And heat advisories and heat warnings were in effect for parts of Montana and Idaho, with some areas seeing temperatures as high as 106 degrees. It's the largest wildfire in the United States this year, having scorched 281,208 acres as of Saturday morning, per InciWeb, the US clearinghouse for wildfire information. The Bootleg Fire burns on Monday in Bly, Oregon.

Source: CNN July 17, 2021 16:05 UTC