Quick heads-up: Yosemite Valley will be closing at 5:00pm this Friday (April 6) due to potential flooding:
https://www.nps.gov/yose/learn/news/yosemite-national-park-expects-significant-impacts-from-incoming-storm-april-2018.htm
Apparently any reservations in the valley have been cancelled.
(And yes, this has impacted the plans for a certain forum member's birthday hike...)