How many tornadoes has Oswego, NY had?
Oswego has had 19 tornadoes on record within 25 miles since 1950, including 3 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Oswego?
The most recent tornado within 25 miles of Oswego was an Unrated on July 10, 2024.
When is tornado season in Oswego?
August is historically the peak month for tornadoes near Oswego, with 6 on record. April through June account for 8 of the 19 tornadoes on record near Oswego.
At a Glance
Tornadoes Since 1950
19
Within search radius
Violent (EF3+)
3
15.8% of total
Peak Month
August
6 on record
Per Year Avg
0.3
Across 76 years
Recent Tornado Activity Near Oswego
The last 20 years of confirmed tornadoes within 25 miles —
3 total, averaging 0.1 per year over this window.
2026
0
2025
0
2024
1
2023
0
2022
0
2021
0
2020
0
2019
0
2018
0
2017
0
2016
0
2015
0
2014
0
2013
0
2012
0
2011
1
2010
1
2009
0
2008
0
2007
0
Tornadoes by Decade
1950s
1
1960s
3
1970s
1
1980s
5
1990s
6
2010s
2
2020s
1
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
EF0
9
EF1
5
EF2
1
EF3
3
Unrated
1
Tornadoes by Month
Jan
0
Feb
0
Mar
0
Apr
0
May
4
Jun
4
Jul
3
Aug
6
Sep
2
Oct
0
Nov
0
Dec
0
Casualties on Record Near Oswego
1 fatality has been recorded within 25 miles of Oswego since 1950, across 1 event. 10 injuries have been reported across all events. 1983 was the deadliest year on record near Oswego.
The deadliest single event was an F3 on May 2, 1983, which caused 1 fatality along a 20.0-mile track.
Notable Tornadoes Near Oswego
Deadliest Tornado
F3 on May 2, 1983 — 1 fatality, 20.0 mi path, 200 yd wide.
Costliest Tornado
F1 on August 28, 1983 — est. ~$2.8M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F1 on August 28, 1983 — 300 yards wide.
Longest Path
F3 on May 2, 1983 — 20.0 mile track.
Most Recent
Unrated on July 10, 2024.
What the record shows near Oswego
The 1990s were the busiest decade near Oswego, with 6 of the 19 confirmed tornadoes within 25 miles; the 2020s have produced 1 so far. The Oswego record runs from the 1950s to today.
Of the tornadoes rated near Oswego, 14 reached EF0 or EF1 and 4 reached EF2 or stronger. The most intense on record near Oswego is rated EF3, of which 3 are logged. A further 1 near Oswego is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Oswego has averaged 0.1 confirmed tornadoes a year within 25 miles, 3 in total. 2010 was the busiest of them with 1, and 17 of those years passed with none at all.
Frequently Asked Questions
How many tornadoes has Oswego, NY had?
Since 1950, 19 tornadoes have been recorded within 25 miles of Oswego. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Oswego?
The deadliest tornado on record within 25 miles of Oswego was an F3 on May 2, 1983, which caused 1 fatality.
When is tornado season in Oswego?
August is historically the peak month for tornadoes near Oswego, with 6 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Oswego?
The most recent tornado within 25 miles of Oswego was an Unrated on July 10, 2024.
How do I get tornado warnings for Oswego?
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