Lake-Effect Snow — Cass, Michigan

2025-02-20 · Cass, Michigan

Event narrative

Bands of heavy lake effect snow developed during the morning hours of February 20th, especially between 7 am and 11 am EST. Snowfall rates of 2' per hour and near zero visibilities occurred with this heavy snow band. The lake effect snow shower activity did become less organized thereafter, though winds did pick up with blowing and drifting snow observed. School closings and accidents were reported in the region due to the significant snow. Snow accumulations across the county were wide ranging, generally ranging between 4 and 10 inches. Marcellus reported 9.3' of snow, with 7.0' at Dowagiac.

Wider weather episode

Bands of heavy lake effect snow produced localized amounts up to a foot in portions of southwest Michigan during the morning hours of February 20th.

Source: NOAA Storm Events Database, event_id 1228483. Narrative written by the NWS forecast office that issued the report.