Low pressure moved across the St. Lawrence valley of both Canada and the United States on December 10th.
Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BTV wrote it up.
Low pressure moved across the St. Lawrence valley of both Canada and the United States on December 10th. Snowfall overspread northern New York during the morning hours and ended after midnight on December 11th. The heaviest of the snowfall was across St. Lawrence county where wraparound (defamation band) set up during the evening hours and lingered.
Snowfall totals ranged from 7 to 11 inches in St. Lawrence county, 4 to 6 inches in Franklin county, 3 to 5 inches in western Clinton and Essex counties with 2 to 3 inches in the Champlain Valley.
Wraparound, upslope snowfall continued in the higher terrain of the northern Adirondacks through Thursday night.
School closures and several vehicle accidents were the main impacts.
The national radar mosaic for the moment the first event began.
6 winter weather, 3 winter storm. Local standard time, as filed.
Snowfall totals of 6 to 10 inches were reported across St. Lawrence county with 11 inches in South Colton, 10 inches in Heuvelton and Edwards with 8 inches in Massena and Russell.
Snowfall totals of 6 to 10 inches were reported across St. Lawrence county with 11 inches in South Colton, 10 inches in Heuvelton and Edwards with 8 inches in Massena and Russell.
Snowfall totals of 6 to 10 inches were reported across St. Lawrence county with 11 inches in South Colton, 10 inches in Heuvelton and Edwards with 8 inches in Massena and Russell.
Snowfall totals for this event were 4 to 7 inches.
Snowfall totals for this event were 4 to 7 inches.
Snowfall totals for this event were 3 to 5 inches.
Snowfall totals for this event were 2 to 3 inches.
Snowfall totals for this event were 2 to 3 inches.
Snowfall totals for this event were 3 to 7 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2025Every state in 2025This day in weather historyWarnings in New York, December 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1297072, 1297073, 1297074, 1297076, 1297077, 1297078, 1297079, 1297080, 1297081.