Lewis County, New York
Tornadoes, hail, floods and severe storms recorded here between 1966 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
9
Tornado reports
26
Hail reports
66
Floods since 1996
774
All events
1
Deaths
$35.5M
Property damage
Tornado paths in Lewis County
The part of each tornado’s path NOAA recorded in this county, 9 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
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.
The National Weather Service in Buffalo completed a storm survey in Lewis County for damage that is confirmed to be tornadic from Monday evening. Initial damage from the tornado occurred in the Town of Lewis to the west of West Leyden along Mud Lake Road that included uprooted an…
Tornado EF1 Tornado
EF-1 tornado with maximum wind speeds in the range of 95 to 105 mph. The damage occurred right around 2 pm local time across almost a 3/4 mile stretch of Swiss Road midway between Castorland and Croghan. The track of the tornado almost paralleled the road in this stretch, but did…
Thunderstorm Wind Thunderstorm Wind
Multiple trees, large branches, and wires down.
Thunderstorm Wind Thunderstorm Wind
Delayed report. Report from Emergency Manager of numerous trees downed across Castorland. Time estimated by radar.
Thunderstorm Wind Thunderstorm Wind
Microburst #2, was determined to be caused by straight line winds in the range of 95 to 105 mph. The damage occurred shortly after 2 pm local time across a small area off of Johnson Road just off NY 12 in Glenfield The most notable damage occurred in the front yard of a property …
Thunderstorm Wind Thunderstorm Wind
Microburst #1, was determined to be caused by straight line winds in the range of 80 to 90 mph. The damage occurred shortly before 2 pm local time across roughly a half mile stretch of NY 26 just south of Denmark. The most notable damage occurred in the backyard of one of these p…
Frost/Freeze Frost/Freeze
Winter Storm Winter Storm
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill value down to -31 Fahrenheit at the NYS Mesonet location in Harrisburg.
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Numerous observations and reports from around Lewis County of wind chill values between -30 and -49 degrees Fahrenheit.
Winter Storm Winter Storm
Winter Storm Winter Storm
Winter Storm Winter Storm
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Thunderstorm Wind Thunderstorm Wind
Tree downed on Route 177 in Copenhagen, blocking the road near River Road.
Thunderstorm Wind Thunderstorm Wind
Trees and power lines downed on Shibley Road.
Thunderstorm Wind Thunderstorm Wind
Tree and wires downed on Prince Brook Road.
Thunderstorm Wind Thunderstorm Wind
Tree downed across Texas Road near Lumbley Road.
Thunderstorm Wind Thunderstorm Wind
Several trees downed in Osceola.
Thunderstorm Wind Thunderstorm Wind
Tree downed in West Leyden.
Thunderstorm Wind Thunderstorm Wind
Trees and wires downed on Shaw Rd.
Thunderstorm Wind Thunderstorm Wind
Trees and wires downed in the Town of Lowville.
Thunderstorm Wind Thunderstorm Wind
Numerous trees and wires downed across the Town of Port Leyden.
Thunderstorm Wind Thunderstorm Wind
Trees and wires down in the Town of Turin.
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Winter Storm Winter Storm
Winter Storm Winter Storm
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Lake-Effect Snow Lake-Effect Snow
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 14 | 1 |
| 2025 | 25 | 0 |
| 2024 | 50 | 0 |
| 2023 | 35 | 2 |
| 2022 | 35 | 0 |
| 2021 | 40 | 0 |
| 2020 | 25 | 0 |
| 2019 | 32 | 0 |
| 2018 | 25 | 0 |
| 2017 | 33 | 0 |
| 2016 | 19 | 1 |
| 2015 | 10 | 0 |
| 2014 | 31 | 1 |
| 2013 | 31 | 0 |
| 2012 | 25 | 0 |
| 2011 | 32 | 0 |
| 2010 | 23 | 0 |
| 2009 | 10 | 0 |
| 2008 | 34 | 0 |
| 2007 | 19 | 0 |
| 2006 | 14 | 0 |
| 2005 | 22 | 1 |
| 2004 | 12 | 1 |
| 2003 | 18 | 0 |
| 2002 | 19 | 0 |
| 2001 | 16 | 0 |
| 2000 | 17 | 0 |
| 1999 | 21 | 0 |
| 1998 | 21 | 0 |
| 1997 | 14 | 0 |
| 1996 | 15 | 0 |
| 1995 | 5 | 0 |
| 1994 | 4 | 0 |
| 1993 | 3 | 0 |
| 1992 | 1 | 0 |
| 1990 | 2 | 0 |
| 1989 | 2 | 0 |
| 1987 | 6 | 1 |
| 1986 | 4 | 0 |
| 1985 | 2 | 0 |
| 1984 | 2 | 0 |
| 1983 | 1 | 0 |
| 1974 | 1 | 0 |
| 1973 | 1 | 0 |
| 1969 | 2 | 1 |
| 1966 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Lewis County, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.