Winter Storm — Lower St. Mary Parish, Louisiana

2025-01-21 · Lower St. Mary Parish, Louisiana

Event narrative

Light snow began during the early morning hours across lower Saint Mary Parish with heavy snow moving in after sunrise. Accumulations ranged from 6 to 8 inches.

Wider weather episode

An arctic airmass spilled south across the plains and to the gulf coast by the 19th. An area of low pressure moved east across the northern gulf waters during the 20th and 21st producing widespread snow and even blizzard conditions at a few locations near the coast. Snow totals ranged from generally less than 3 inches across Central Louisiana to 5 to 13 inches along and south of Interstate 10. Some snow drifts were 2 feet and deeper. After the snow storm record low temperatures were experienced region wide with some lows falling into the single digits, especially were snow was the deepest.

Source: NOAA Storm Events Database, event_id 1232093. Narrative written by the NWS forecast office that issued the report.