From Yosemite National Park:
In a report summarizing weather conditions between Jan. 9 and Wednesday, rangers at Tuolumne Meadows reported low temperatures of 17 degrees below zero (Jan. 10), 22 degrees below zero (Friday) and 21 degrees below zero (Saturday).Meanwhile, it's been a balmy 30-degrees in Williston, dropping to 20 degrees (above zero) at night. That's a 40-degree nighttime spread between Yosemite and Williston.
