Well, okay. Something might be wrong with those things. Hopefully tomorrow's maintenance will bring fixes to them. But more importantly based on all account it'll be bringing patch 3.1.3 with it as well.
Maintenance will last from 3:00 a.m. PDT until 11:00 a.m. PDT. Unless, of course, you on one of the few dozen realms listed after the break. For those special realms, maintenance will last from 12:01 a.m. PDT until 12:01 p.m. PDT. Why is it starting at the :01? Because Blizzard wants you to have an extra minute to complete raids tonight. That's how much they care. And you know what? So do I... (Click it... I dare you.)
The full list of realms under the extended maintenance after the break.