* WHAT...Patchy light snow will prevail into Monday morning. * WHERE...A portion of central Pennsylvania. * WHEN...Until 1 PM EST Monday. * IMPACTS...Travel will be very difficult to impossible. Widespread and prolonged travel disruptions are expected. * ADDITIONAL DETAILS...Patches of light snow will linger into Monday morning. While snowfall amounts will on the light side, travel will likely remain poor given the frigid temperatures. In addition low wind chills are expected into Monday morning. Blowing and drifting snow is expected, mainly after daybreak Monday.