Dangerous Heatwave Persists in Southern US, Forecast to Expand North and West

A hazardous heatwave is currently affecting the Southern Plains, Gulf Coast, and Desert Southwest, with forecasts indicating its expansion into the Great Basin and Northern Plains this weekend. Temperatures in states like Idaho and Oregon could reach 107 degrees Fahrenheit, with Friday expected to be the hottest day. This prolonged period of extreme heat poses significant risks of heat-related illnesses for residents in the affected regions.