CNN-weather/environment

By Allison Chinchar and Monica Garrett, CNN Meteorologists More than 65 million people in over a dozen states are under heat alerts Thursday. From the Ohio and Mississippi Valleys to the Southeast, temperatures will be in the upper 90s, with heat index levels well into the triple digits. Power outages continue for a third day

By Elizabeth Wolfe, Jason Hanna and Claudia Dominguez, CNN Yellowstone National Park could partially reopen as early as Monday as officials continue to assess the damage caused by historic flooding, which now threatens to hamper the peak of the summer tourist season. Heavy rains and rapid snowmelt caused rivers to swallow bridges, sweep away entire

By Aya Elamroussi and Andy Rose, CNN Several homes were damaged Wednesday by a tornado in central Wisconsin, officials said. The tornado was reported near Tomah, Wisconsin, just after 4 p.m. local time and apparently traveled northeast through Monroe County for about 15 miles, according to the county’s sheriff’s office. Interstate 90 was closed for

By Travis Caldwell, Joe Sutton and Steve Almasy, CNN At least 16 US cities set or tied records for their highest temperature for the date, with Macon, Georgia, hitting 103 degrees Fahrenheit on Wednesday, the National Weather Service reported. That was 3 degrees higher than the previous June 15 mark in Macon, set in 2010.

By Jason Hanna, Amir Vera, Elizabeth Wolfe, David Williams and Paradise Afshar, CNN While all entrances of Yellowstone National Park are temporarily closed because flooding has damaged roads and bridges, the park’s northern portion in particular may remain closed for “a substantial length of time,” park officials said Tuesday. “Many sections of road in (the

By Judson Jones, CNN Meteorologist Daily high temperature records were set across several cities Monday afternoon. Here are a few: — Columbia, South Carolina, reached an afternoon high of 103 degrees, breaking its old June 13 record of 102 degrees, set in 1958. — North Platte, Nebraska, hit 108 degrees, breaking its old record of

By Elizabeth Wolfe, CNN In a matter of hours Monday, the iconic landmarks of Yellowstone National Park were shuttered to the public and its roads left unpassable after a torrential downpour and rapid snowmelt contributed to unprecedented flooding at one of America’s most visited national parks. A helicopter flying overhead captured scenes of destruction —

By Judson Jones, CNN Meteorologist This is exceptionally hot and humid for any time of year. Period. “We don’t change our criteria based on the time of year,” Matt Beitscher, a National Weather Service meteorologist in St. Louis, told CNN weather. A heat dome which began last week in the Southwest has shifted over the

By Elizabeth Wolfe, Joe Sutton, Ella Nilsen and Brandon Miller, CNN A wildfire burning just six miles north of Flagstaff, Arizona, has prompted evacuations for hundreds of people, and thousands more have been told by authorities to prepare for future evacuation, authorities said Sunday night. The Pipeline Fire was first reported by a fire lookout

By Joe Sutton and Susannah Cullinane, CNN Mandatory evacuations are in place after a wildfire expanded steadily in Southern California’s Angeles National Forest on Sunday. The Sheep Fire grew from 35 acres Sunday morning to 775 acres that afternoon, according to InciWeb. As of Monday, the fire has scorched 990 acres with around 27% containment,

By Haley Brink and Allison Chinchar, CNN Meteorologists More than 65 million people from California to Tennessee are under some type of heat alert Sunday, as dangerously high temperatures persist across the Southwest and the southern and central Plains. Among the heat alerts in places Sunday are heat advisories, excessive heat watches and excessive heat