Overview
- Watches run Monday afternoon to Thursday morning for Wyoming, Chautauqua, Cattaraugus, Erie, Oswego, Jefferson and Lewis counties.
- A separate advisory covers Sunday 4 p.m. to Monday 10 a.m. for Oswego, Jefferson and Lewis for freezing rain with ice up to about 0.33 inches, highest in the Saint Lawrence Valley.
- Forecasters call for heavy lake-effect snow with more than 7 inches possible where bands persist.
- Wind gusts could reach 50–60 mph, producing blowing and drifting snow with periods of near-whiteout visibility.
- Bands are expected to oscillate east of Lake Erie and downwind of Lake Ontario through the event, bringing rapidly changing conditions.