Extreme heat warnings remain in place for parts of southeast California, southern Nevada and much of Arizona -- where high ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

On Thursday, the temperature at the Palm Springs International Airport reached a high of 117 degrees. ABC's Trevor Ault was ...

Chicago and Minneapolis' air quality was in the "unhealthy" category, which ranks as level four of six on the Air Quality ...