UPDATE: Al Roker has begun his attempt to break the world record for longest weather report. Watch the live video above.
Al Roker is going to attempt to break a Guinness World Record.
The current record stands at 24 hours. Roker wants to do it for 34 hours.
Yes, 34 hours of non-stop, continuous weather reporting right in the comfort of Studio 1A.
"Rokerthon," as NBC News is calling it, will begin Wednesday, Nov. 12, at 10:00 p.m. ET, and end Friday, Nov. 14, at 8:00 a.m. ET.
We're taking bets now. Will he do it?