"Southwest Heat Wave: Records Broken as Dangerous Temperatures Persist"

Smoke from Canadian wildfires is causing air quality alerts across large parts of the US, with the smoke expected to linger until Tuesday. Over 80 million Americans are also facing heat-related weather notices, with triple-digit temperatures forecasted from Texas to California. Excessive heat warnings and advisories have impacted nearly 100 million people over the past 30 days. Additionally, heavy showers and storms in the Mid-Atlantic and Northeast regions could lead to more flooding, with a moderate risk of flash flooding issued for New England. Bucks County, Pennsylvania, has already experienced deadly flooding, with four people dead and three missing. Showers and thunderstorms in the Great Plains also pose a risk of flash flooding.