Heat dome dominates U.S. weather as a "derecho" threat looms in Midwest

10:08am PDT - July 28th, 2021    derecho - Axios

The latest in a series of relentless heat waves is bringing dangerously hot temperatures to a the Central U.S. on Wednesday, and will contribute to a severe thunderstorm outbreak across the Upper Midwest. The heat will expand in scope toward the end of the we…