LIVE VIDEO: Al Roker attempts weather forecasting record with 'Rokerthon'

Image: Image: Today - Season 63
TODAY -- Pictured: Al Roker appears on NBC News' "Today" show -- (Photo by: Peter Kramer/NBC/NBC NewsWire)

TODAY’s Al Roker attempts to set the Guinness World Record for the longest weather broadcast. He will try to go non-stop for 34 hours until 8 a.m. ET on Friday, and aims to raise money for the USO.

For every hour completed, he gets a 5-minute break. Follow along and ask questions using #Rokerthon. Learn more from TODAY.