"If you've made grilled cheese in a pan and you put a lid on there, it melts the cheese faster because the lid helps trap the heat," a National Weather Service official told NPR.
Smoke from a record-setting season of Canadian wildfires has floated across the United States all summer, and last week, Georgia experienced the consequences.
Dangerous heat and elevated risks of wildfires are present in parts of the West, with climate change and El Niño both playing a role. Meanwhile, thunderstorms threaten the Midwest and the East Coast.
