It's KSEE's problem.
From ksee24.com on the front page
Digital Power Outage
KSEE 24 is experiencing a power outage at our digital transmitter site. PG&E is working on the problem. PG&E estimates power should be restored around 5 p.m. today.
Imagine if the digital changeover stayed at yesterday and this happened.
53 came back on Dish, while 49 and 59 are still just a black screen. Are their digital over-the-air channels down as well?