Nearly 100 million people are facing heat warnings and advisories across the U.S. this week due to an early season heat wave that saw high-temperature records set from California to Texas over the weekend.
The latest: At least three wildfires ignited in drought-stricken Southern California on Sunday, per NBC News. San Bernardino County's Sheep Fire, which ignited Saturday, has swollen to 990 acres in size and was 5% contained, according to Inciweb.