Oconto storm history
Storm events recorded in Oconto, Wisconsin between 1950 and 2025.
287
Total events
15
Tornadoes
85
Hail
20
Floods
2
Deaths
$15.7M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Lightning from a thunderstorm that quickly developed west of Abrams killed two men working on a tree house at a home on County Road E in the Town of Morgan. The men were struck by lightning from the storm as it passed about two miles to their south. One of the men, a 27-year-old,…
The long-track tornado moved from Langlade Co. into Oconto Co. about 8 miles west of Mountain at 4:58 PM CDT. The tornado reached a width of three-quarters of a mile wide as it flattened over 7000 acres of trees in the Chequamegon-Nicolet National Forest (DI 27, DOD4). The tornad…
Tornado EF1 Tornado
A tornado touched down in Gillett at 5:37 PM CDT. The tornado tracked east and tore the roof of a metal building, uplifted and damaged the roof of a nearby building, and snapped and uprooted several trees before dissipating east of Gillett at 5:40 PM CDT. Total path length is est…
Tornado EF0 Tornado
A tornado touched down west of Oconto at 6:00 PM CDT. The tornado tracked northeast and snapped and uprooted several trees before dissipating just north of Oconto at 6:04 PM CDT. The tornado uprooted several trees at a local golf course northwest of Oconto. Total path length is e…
Hail Hail
Quarter size hail fell near Suring.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds knocked over part of a tall fence and caused the roof of a barn to collapse near Lena. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds produced wind damage to a barn near White Potato Lake. The time of this report is an estimate based on radar data.
Tornado EF1 Tornado
The tornado that developed near Highway 55 northwest of Keshena at 2:25 AM CDT crossed the county line at 2:33 AM CDT. The tornado tracked east-southeast across Berry Lake before lifting at 2:34 AM CDT. The tornado downed multiple power lines, snapped and uprooted trees, and flip…
Hail Hail
Ping pong size hail fell near Berry Lake. The time of this report is an estimate based on radar data.
Lightning Lightning
A barn was destroyed by a fire started by lightning in the town of Chase.
Hail Hail
Penny size hail fell in Stiles.
Hail Hail
Quarter size hail fell in Oconto Falls.
Hail Hail
Ping pong size hail fell near Mountain. The time of this event is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees in Hickory Corners. The time of this event is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed multiple trees in Stiles. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed several trees and blew off several sections of a storage shed in and around Kelly Lake. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds uprooted and snapped trees near Mountain. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds uprooted and snapped trees near Mountain. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees in Abrams. The time of this report is an estimate based on radar data.
Hail Hail
Ping pong size hail fell in Mountain.
Hail Hail
Penny size hail fell in Crooked Lake.
Hail Hail
Quarter size hail fell east of Suring.
Hail Hail
Quarter size hail fell in Spruce.
Flash Flood Flash Flood
Several rounds of thunderstorms dumped upwards of 7 inches of rain over central Oconto County during the late afternoon and evening hours. This caused damage to area roads, bridges, culverts, and parks across the central part of the county as well as several area roads to be wash…
Hail Hail
Penny size hail fell in Abrams.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees in Stiles. The time of this event is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed several trees in Oconto Falls. The time of this event is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
A thunderstorm wind gust of 77 mph was measured at the Mountain RAWS fire observation site.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed a tree and heavily damaged a roof in Sobieski.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees in Oconto. The time of this report is an estimate based on radar data.
Hail Hail
Penny size hail fell near Mountain.
Hail Hail
Quarter size hail fell near Mountain.
Hail Hail
Nickel size hail fell in Townsend.
Hail Hail
Half dollar size hail fell near Hickory Corners.
Hail Hail
Penny size hail fell in Lena.
Hail Hail
Penny size hail fell near Lena.
Flood Flood
North Bayshore Road and County Highway Y from Harbor Road to County Highway A are closed due to ongoing flooding from high lake levels.
Flood Flood
North Bayshore Road and County Highway Y from Harbor Road to County Highway A are closed due to ongoing flooding from record high lake levels.
Lightning Lightning
A lightning strike caused a home to become engulfed in flames on Dencur Lane in Townsend.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees and power lines in Mountain. The time of this report is an estimate based on radar data.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed trees and power lines in Oconto. The time of this report is an estimate based on radar data.
Flood Flood
North Bayshore Road and County Highway Y from Harbor Road to County Highway A are closed due to ongoing flooding from record high lake levels.
Flood Flood
North Bayshore Road and County Highway Y from Harbor Road to County Highway A are closed due to ongoing flooding from record high lake levels.
Flood Flood
North Bayshore Road was often under water due to record high lake levels.
Hail Hail
Quarter size hail fell in Brookside.
Hail Hail
Nickel size hail fell in Pensaukee.
Flood Flood
North Bayshore Road was often under water due to record high lake levels.
Flood Flood
North Bayshore Road was often under water due to record high lake levels.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 5 | 2 |
| 2024 | 3 | 1 |
| 2023 | 6 | 0 |
| 2022 | 8 | 0 |
| 2021 | 9 | 0 |
| 2020 | 18 | 0 |
| 2019 | 13 | 0 |
| 2018 | 7 | 0 |
| 2017 | 11 | 0 |
| 2016 | 3 | 0 |
| 2015 | 9 | 1 |
| 2014 | 4 | 0 |
| 2013 | 6 | 1 |
| 2012 | 6 | 0 |
| 2011 | 6 | 0 |
| 2010 | 5 | 0 |
| 2008 | 2 | 0 |
| 2007 | 11 | 1 |
| 2006 | 7 | 0 |
| 2005 | 4 | 0 |
| 2004 | 5 | 0 |
| 2003 | 3 | 0 |
| 2002 | 16 | 0 |
| 2001 | 8 | 0 |
| 2000 | 14 | 0 |
| 1999 | 14 | 0 |
| 1998 | 22 | 0 |
| 1997 | 4 | 0 |
| 1996 | 8 | 1 |
| 1995 | 6 | 0 |
| 1994 | 1 | 0 |
| 1993 | 1 | 0 |
| 1992 | 1 | 0 |
| 1991 | 2 | 0 |
| 1988 | 3 | 0 |
| 1987 | 3 | 0 |
| 1985 | 4 | 0 |
| 1984 | 5 | 0 |
| 1983 | 2 | 0 |
| 1982 | 6 | 0 |
| 1981 | 2 | 0 |
| 1980 | 3 | 1 |
| 1979 | 1 | 1 |
| 1976 | 1 | 1 |
| 1974 | 1 | 1 |
| 1971 | 2 | 1 |
| 1970 | 1 | 0 |
| 1966 | 4 | 3 |
| 1965 | 1 | 0 |