US National Weather Service Buffalo NY
Travel conditions will deteriorate across Western NY late tonight and Sunday morning as a mix of sleet and freezing rain develops. The wintry mix will spread east towards the Genesee Valley Sunday morning, with snow favored in areas east of Rochester. Periods of snow will continue for areas east and southeast of Lake Ontario Sunday afternoon through Monday. Across Western NY, there will be a break in precipitation Sunday afternoon and evening before light snow develops Sunday night and Monday. The highest snow accumulations will be found east and southeast of Lake Ontario where precipitation stays mainly snow. This is a complex scenario with some uncertainty in precipitation type, and then the storm track for Sunday night and Monday. Further adjustments to snow amounts may be necessary as this event unfolds.