 And the French fire north of Fresno evacuating more than 1,000 people, temporarily closing the main highway into Yosemite National Park. More from ABC's Jacqueline Lee in Los Angeles. When you think about all the factors that lead to these large-scale fires, you have several things. You have the record heat, you have the wind, and you have the low humidity. And in Death Valley this weekend, we are expecting temperatures to get as high as 129 degrees. That is just a few degrees shy of the hottest temperature ever recorded on Earth, 134 degrees.