This July 4th could be hottest ever in parts of U.S., with over 300 record temperatures forecast

Source CBS Local
Original Load Date July 1, 2026, 11 a.m.
Last Updated July 1, 2026, 11 a.m.
Original URL https://www.cbsnews.com/chicago/news/heat-wave-hottest-july-4th-record-temperatures/

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This July Fourth could be the hottest on record for millions of Americans as a massive heat wave traps more than half of the United States under a [ heat dome through the holiday weekend ][12] . Dangerously high temperatures are ramping up Wednesday, and coupled with humidity it could result in he...