Roker, who remains the weathercaster on NBC's "Today" show, will be on the air an hour earlier each weekday for the Weather Channel's "Wake Up With Al."
The network says the show will originate from New York and Atlanta, where Roker's co-host, Weather Channel meteorologist Stephanie Abrams, is based.
"Wake Up With Al" will air from 6 a.m. to 7 a.m. Eastern starting this summer.
NBC is owned by General Electric Co. The Weather Channel is part of the Weather Channel Companies, which is owned by a consortium made up of NBC Universal and the private equity firms The Blackstone Group and Bain Capital.
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Copyright 2009 The Associated Press.