RENO - Residents of Northern Nevada and the Sierra were relieved to be gathering up sand bags instead of flood debris Monday after a sudden shift in the weekend weather turned rain into snow, keeping rivers and streams largely within their banks in Reno, Sparks and Truckee, Calif.Rescue crews searched for a homeless man in Reno who reportedly fell into the Truckee River off a limb Sunday night. They had no confirmed reports of any injuries or serious property damage. More rain was forecast to move into the Sierra tonight and Wednesday, but precipitation on the eastern side of the …