Northern St. Lawrence County, New York
Tornadoes, hail, floods and severe storms recorded here between 1996 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
0
Tornado reports
0
Hail reports
5
Floods since 1996
327
All events
1
Deaths
$6.6M
Property damage
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Strong Wind Strong Wind
Several wind gusts in excess of 40-45 mph from the south of March 16th and then 50-55 mph from the west during the early morning hours of March 17th after the passage of a sharp cold front.
Winter Weather Winter Weather
Snowfall totals across the area were 4 to 5 inches.
Winter Weather Winter Weather
Snowfall totals across the area were 2 to 4 inches.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Daytime temperatures falling to below zero on Saturday (2/7) combined with northwest winds of 10 to 20 mph with higher gusts created wind chills of 20 to 30 below zero during the daylight hours. Saturday night (2/7) - Sunday morning (2/8)...although winds diminished to 5 to 10 mp…
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Actual air temperatures 10 to 15 below zero combined with winds to create wind chill values of 25 to 35 below zero during the overnight of January 29th into the midday hours of January 30th.
Winter Storm Winter Storm
Snowfall totals across the county were 8 to 15 inches, including; 14 inches in Edwards with 11 inches in Gouverneur and Stockholm.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Actual air temperatures of 15 to 30 below zero combined with winds to create wind chill values of 25 to 40 below zero during the night of January 23rd into the morning hours of January 24th. Morning low temperatures on January 25th were 10 to 25 below zero with light winds creati…
Winter Weather Winter Weather
Snowfall totals were 3 to 5 inches across the area.
Winter Weather Winter Weather
Elevated flat ice accumulations were generally 0.2 to 0.4 inches across the area with vehicle accidents being the main impact, but some isolated power outages occurred as well.
Winter Storm Winter Storm
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.
Winter Weather Winter Weather
Snowfall totals of 3 to 6 inches were reported.
Heat Heat
Dangerous heat across the region for both June 23rd and 24th with daytime temperatures in the mid to upper 90s and dewpoints in the 70s creating heat index values between 100 and 110.
Winter Storm Winter Storm
Snowfall totals across the area were 5 to 10 inches.
Blizzard Blizzard
Blizzard conditions locally developed in the northern St. Lawrence river valley during a larger winter storm between 10 am and 2 pm. Northeast winds of 20 to 30 mph with frequent gusts over 40 mph, including gusts around 50 mph combined with falling and blowing snow with visibili…
Winter Storm Winter Storm
Snowfall totals across the county were 8 to 15 inches with blizzard conditions at times during the late morning into early afternoon hours of 2/16.
Winter Weather Winter Weather
A widespread snow mixed with sleet and freezing rain at times with snowfall accumulations of 2 to 5 inches across the area.
Winter Weather Winter Weather
Snowfall totals across the area were generally 3 to 5 inches.
Winter Weather Winter Weather
Snowfall accumulations of 2 to 5 inches were observed.
High Wind High Wind
Numerous wind gusts in excess of 50 mph were observed, including a wind gust of 63 mph in Massena.
Winter Weather Winter Weather
Snowfall ranged from 3 to 8 inches across the region.
Winter Storm Winter Storm
A general 5 to 10 inches of snow fell across northern St. Lawrence county with 4 to 7 inches elsewhere within the county.
Winter Weather Winter Weather
Snowfall totals across St. Lawrence county were generally 4 to 6 inches across the region.
Winter Weather Winter Weather
Snowfall totals in St. Lawrence county were generally 2 to 6 inches with the higher totals in the Adirondacks of southeast St. Lawrence.
High Wind High Wind
ASOS measured a 59 mph wind gust in Massena with numerous reports of some form of tree damage and other observations in the upper 40 to lower 50 mph range.
Winter Weather Winter Weather
Flat ice accumulations of 0.25 to 0.5 inches were observed.
Winter Weather Winter Weather
Snowfall totals of 1 to 3 inches were observed and accounted for some hazardous travel.
Strong Wind Strong Wind
Southeast wind gusts of 40-50 mph with a few in the lower 50 mph range impacted the region for a few hours resulting in isolated to scattered power outages.
Strong Wind Strong Wind
Various mesonet sites reported wind gusts between 40 and 50 mph with some isolated small limb damage. In addition 1 to 3 inches of wet snow preceded the wind event.
Winter Weather Winter Weather
Snowfall amounts of 4 to 7 inches were observed.
Frost/Freeze Frost/Freeze
A hard freeze with temperatures in the 20s occurred across much of the area for several hours in the morning.
Winter Weather Winter Weather
Snowfall totals of 3 to 7 inches were common.
Winter Storm Winter Storm
A general 5 to 8 inches of snow fell across the region.
Winter Weather Winter Weather
A general 3 to 6 inches of snow fell across the region.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Dangerously cold temperatures and wind chills impacted the area from early Friday morning through Saturday evening. The coldest was Friday night with low temperatures 20 to 30 below zero and wind chills 30 to 45 below zero. Some specific low temperatures included;-35 in Ogdensbur…
Winter Storm Winter Storm
Snowfall totals ranged from 6 to 10 inches.
Winter Weather Winter Weather
A general 4 to 7 inches of snow fell across the region.
Winter Weather Winter Weather
Snowfall totals were generally 3 to 6 inches across the region.
Lake-Effect Snow Lake-Effect Snow
Snow and Travel Emergencies were declared for St. Lawrence county with northern St. Lawrence county west of Route 11, closer to Route 37 witnessing blizzard conditions at times with near zero visibilities, sustained winds 20 to 30 mph and frequent gusts in excess of 40 mph. Snowf…
Strong Wind Strong Wind
Southeast winds of 25 to 35 mph with gusts to 50 mph occurred during the morning hours before lessening for a few hours before an arctic cold front brought west winds of 25 to 35 mph with gusts to 50-55 mph to the region.
Blizzard Blizzard
Snow and Travel Emergencies were declared for St. Lawrence county with northern St. Lawrence county west of Route 11, closer to Route 37 witnessing blizzard conditions at times with near zero visibilities, sustained winds 20 to 30 mph and frequent gusts in excess of 40 mph. Snowf…
Winter Storm Winter Storm
A wet, heavy snowfall of 10 to 20 inches was common across the St. Lawrence Valley with the higher totals in the Adirondacks. This resulted in scattered power outages.
Winter Weather Winter Weather
Snowfall accumulations of 2 to 5 inches were common.
Winter Storm Winter Storm
Snowfall amounts of 8 to 10 inches were common, the heaviest occurring in the latter third of the event.
Winter Storm Winter Storm
Combined snow and sleet accumulations of 4 to 8 inches were common along with a tenth of an inch of ice (freezing rain) accumulation. These conditions led to hazardous driving across the area.
Winter Storm Winter Storm
Total snowfall ranged from 6 to 10 inches with much of this falling in the late evening of February 3rd to around daybreak on February 4th.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Dangerous cold wind chills of 25 to 35 below zero late Wednesday night (26th) through mid-morning Thursday (27th) and again late Friday night (28th) into midday Saturday (29th). Actual air temperatures were 15 to 25 below zero as well.
Cold/Wind Chill Cold/Wind Chill
Observed low temperatures Friday and Saturday morning were 20 to 30 below zero. Wind chill temperatures were about 10 degrees colder Thursday night into midday Friday. Massena set a daily record on Friday at -30 degrees (-27/2005).
Winter Storm Winter Storm
Snowfall totals of 6 to 10 inches were common.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Dangerously cold wind chills of 25 to 40 below zero were observed across the region with actual air temperatures of 10 to 20 below zero Friday evening through midday Saturday. Overnight minimum temperatures Saturday night-Sunday morning were 15 to 25 below zero with calm/light wi…
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 8 | 0 |
| 2025 | 12 | 0 |
| 2024 | 9 | 0 |
| 2023 | 8 | 0 |
| 2022 | 13 | 0 |
| 2021 | 10 | 0 |
| 2020 | 7 | 0 |
| 2019 | 8 | 0 |
| 2018 | 8 | 0 |
| 2017 | 6 | 0 |
| 2016 | 3 | 0 |
| 2015 | 5 | 0 |
| 2014 | 5 | 0 |
| 2013 | 8 | 0 |
| 2012 | 8 | 0 |
| 2011 | 9 | 0 |
| 2010 | 4 | 0 |
| 2009 | 7 | 0 |
| 2008 | 20 | 0 |
| 2007 | 16 | 0 |
| 2006 | 15 | 0 |
| 2005 | 16 | 0 |
| 2004 | 9 | 0 |
| 2003 | 11 | 0 |
| 2002 | 12 | 0 |
| 2001 | 15 | 0 |
| 2000 | 19 | 0 |
| 1999 | 11 | 0 |
| 1998 | 13 | 0 |
| 1997 | 18 | 0 |
| 1996 | 14 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Northern St. Lawrence County, measured to its path.
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