US heat wave eyes Northeast amid severe storms: Latest forecast
Dangerous heat and severe storms are headed for the Northeast this week.
Kenton GeweckeMorgan Winsor
US heat wave stretches into Midwest, heading for Northeast: Latest forecast
Heat alerts are in effect for 45 million Americans across a dozen states.
US heat wave lingers in Southwest, intensifies in Midwest: Latest forecast
The last 21 days on Earth have been the hottest on record.