Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 7 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
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.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
May 2, 1983 · Onondaga, New York
June 30, 2015 · Onondaga, New York
Severe urban flash flooding occurred in the City of Syracuse. A man was swept to his death after stepping into an open manhole on East Fayette Street. Heavy rainfall caused the manhole cover to be blown off by excessive water pressure in the storm sewer system.
August 27, 2004 · Onondaga, New York
A 12-year-old boy was killed by lightning. His mother and a neighbor took shelter from a thunderstorm under a tree in Assumption Cemetery. Both the boy and his mother had bicycles with them. The neighbor was in a wheelchair. The mother and neighbor felt the lightning but were not…
July 3, 1999 · Onondaga, New York
A young girl drowned on Otisco Lake as a result of thunderstorm winds capsizing the party boat she was riding in.
September 7, 1998 · Onondaga, New York
The derecho that caused extensive wind damage upstream in both Cayuga and Seneca counties continued eastward across Onondaga county. Widespread structural damage resulted and tens of thousands of trees were toppled in northern portions of the county. Direct human impact was also …
August 24, 1998 · Onondaga, New York
As a severe thunderstorm moved through the region early in the evening, it dumped torrential rains. Rainfall amounts of 1 to 2 inches were observed in less than 30 minutes. This caused the Limestone Creek to quickly rise out of its banks. A four year old girl was out playing by t…
May 29, 1998 · Onondaga, New York
A line of thunderstorms became severe as it crossed northern sections of the county close to 1:30 pm EDT. Numerous trees and wires were downed across northern and eastern sections of the Syracuse metropolitan area. One man in Cicero was injured when he was shocked from falling wi…
March 6, 1996 · Onondaga, New York
July 3, 1999 · Onondaga, New York
Numerous tents and booths were damaged or blown down at the county Fairgrounds during the "Taste of Syracuse" festival.
July 1, 2017 · Onondaga, New York
Widespread flash flooding of most creeks and urbanized areas occurred throughout the town of Skaneateles. Culverts and roads were washed out in several places. Some residences experienced flooding.
July 1, 2017 · Onondaga, New York
Widespread flash flooding of most creeks and urbanized areas occurred throughout the towns of Fabius and Pompey. Culverts and roads were washed out in several places. Some residences experienced flooding.
July 8, 2016 · Onondaga, New York
Flood water was rapidly coming out of the storm drain system with 1 foot of water moving across the Crossroads Park Drive near Liverpool.
April 26, 2011 · Onondaga, New York
The county reported permanent damage to over 250 roads in the county, with most of the damage centered on the Syracuse area. Several roads were totally washed out, and the City of Syracuse described the urban flash flooding as major. Most roads in the county experienced degrees o…
August 30, 2004 · Onondaga, New York
Heavy rain caused flash flooding. The rain caused numerous road washouts and creek flooding in Pompey and Manlius. Many roads were closed and impassable with water covering them. A golf course flooded in Manlius. There was significant flooding along Limestone Creek mainly in the …
April 4, 2003 · Onondaga, New York
July 28, 2002 · Onondaga, New York
The tornado touched down briefly in the hamlet of Mottville which is in the town of Skaneateles. The tornado's path length was approximately 100 yards and its width was approximately 50 yards. A trailer home was destroyed in the center of Mottville. The 67 year old man who lived …
June 14, 2002 · Onondaga, New York
Heavy thunderstorm rains caused flash flooding across northern Onondaga County. Rain started before 6 AM reaching its greatest accumulations of generally half an inch to an inch an hour between 9 AM and noon. During the afternoon it tapered off becoming scattered and less intense…
January 19, 1996 · Onondaga, New York
June 18, 2026 · Onondaga, New York
Strong thunderstorm winds caused a large tree to split and fall into the yard, with part of the tree landing on the house.
June 18, 2026 · Onondaga, New York
Strong thunderstorm winds knocked down a tree and power lines.
June 11, 2026 · Onondaga, New York
May 29, 2026 · Onondaga, New York
Strong thunderstorm winds knocked down several trees around Liverpool.
May 29, 2026 · Onondaga, New York
Strong thunderstorm winds knocked down a tree on a house causing the front of the house to partially collapse. There were no known injuries.
May 29, 2026 · Onondaga, New York
Strong thunderstorm winds knocked down several trees and wires near Dewitt.
May 13, 2026 · Onondaga, New York
Strong thunderstorm winds brought wires down near Virginia Street.
May 13, 2026 · Onondaga, New York
Strong thunderstorm winds brought wires down near Sycamore street.
May 13, 2026 · Onondaga, New York
Strong thunderstorm winds brought down a tree and wires near Flume Road.
February 11, 2026 · Onondaga, New York
Snow accumulated between 5 and 8 inches.
January 25, 2026 · Onondaga, New York
Snow accumulated between 8 and 16 inches.
January 15, 2026 · Onondaga, New York
Snow accumulated between 6 and 14 inches.
January 2, 2026 · Onondaga, New York
Snow accumulated between 8 and 11 inches.
December 29, 2025 · Onondaga, New York
Snow accumulated between 9 and 18 inches, locally up to 26. Wind gusts over 45 mph.
December 26, 2025 · Onondaga, New York
Snow accumulated between 5 and 7 inches.
December 11, 2025 · Onondaga, New York
Snow accumulated between 3 and 8 inches.
November 28, 2025 · Onondaga, New York
Lake effect snow accumulated between 7 and 13 inches.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds resulted in multiple reports of trees and wires down north and west of Baldwinsville.
August 24, 2025 · Onondaga, New York
August 24, 2025 · Onondaga, New York
Estimated golf ball size hail near Lysander via social media.
August 24, 2025 · Onondaga, New York
Picture of several quarter to half dollar size hail stones along with a quarter for comparison via social media.
August 24, 2025 · Onondaga, New York
August 24, 2025 · Onondaga, New York
Hail observed at Saddle Club Townhomes off Morgan Road.
August 24, 2025 · Onondaga, New York
August 24, 2025 · Onondaga, New York
August 24, 2025 · Onondaga, New York
Estimated quarter size hail via social media photo in Salina/Liverpool.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds knocked down trees and wires.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds knocked down a tree on wires.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds knocked down a tree on wires.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds knocked down a tree onto a house.
August 24, 2025 · Onondaga, New York
Strong thunderstorm winds knocked down a tree on wires.
August 24, 2025 · Onondaga, New York
Strong winds knocked down large tree branches heading toward Jordan.