A winter weather advisory has been issued for Blair, Cambria, Clearfield, Warren, McKean, Elk, and Cameron Counties. According to the National Weather Service, the advisory is in effect from 1 this afternoon until 4 tomorrow morning. A wintry mix is expected, with total snow and sleet accumulations up to an inch, and ice accumulations up to one tenth of an inch. Winds also are expected to be gusty as well. Plan on slippery road conditions.