The eastern half of the United States faces an intense heat wave starting late this week and peaking next week that could produce dangerously high temperatures over a large area for an extended ...

California is one of several states forecast to fall victim to the first major U.S. heat wave of 2024 this week ... How to ...

(MORE MAPS: 10-Day U.S. Forecast Highs/Lows) Reality check ahead: This being February, the heat wave couldn't last much longer. More sustained colder air will plunge southward through the Plains ...

"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.