These so-called “land hurricanes” are much less common than tornados, but they can be just as deadly. Here’s everything you need to know about derechos.
U.S. faces a wild weekend of weather, including extreme heat and severe storms nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.
Heat waves are expected to take hold out West and in the South, as severe storms charge across the central Plains and poor air quality continues to plague states in the Midwest, Northeast and Mid-Atlantic regions.
As the ongoing heat dome expands, high heat and humidity are expected to blanket parts of the South. Severe storms are also forecast across a huge swath of the country.
Air quality will remain an issue as smoke lingers in eastern and southern Minnesota. An air quality alert continues essentially through midnight Wednesday.