Cold weather expected across US March 26, 2011 NBC’s Bill Karins takes a look at the nation's weekend forecast. (msnbc tv)

Snow returns to U.S. after brief warming trend February 19, 2011 NBC’s Bill Karins has the nation's frigid forecast. (msnbc tv)

Triple-digit weather in the Northeast July 06, 2010 NBC Meteorologist Bill Karins joins “The Daily Rundown” to talk about the brutal heat. (Other)

Where will the wet weather head next? March 13, 2010 TODAY’s Amy Robach speaks with NBC meteorologist Bill Karins. (Today Show)