As of Tuesday 16th October 2018 evening Pacific Time, YouTube was down for many users. The outage appears to have begun sometime around 6:15 p.m., making this a pretty long outage for such a major site.
The company is well aware of the issue and are tweeting its updates. The account began responding to tweets reporting the outage about an hour ago and has painstakingly replied to many, many reports from users since.
YouTube doesn’t experience downtime very often, making Tuesday’s outage pretty notable. Google has now confirmed that YouTube is back online and should be working again for all users.