In what's quickly becoming a worrisome pattern for Apple, a number of iCloud services are down as of this morning. The iMessage system is acting up (all over again), as are Photo Streams, Documents in the Cloud, Backup services and iPhoto Journals, according to Apple's iCloud Status Page.
The downtime started at around 12:30am Eastern / 9:30pm Pacific. None of the services have been restored as of post time.
As things stand now, the affected users have been unable to access the aforementioned services for more than ten straight hours. Fortunately, only a small percentage of users appear to have been affected by Apple's ongoing cloud woes...