TornadoLookup

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Osceola County, Iowa

Tornadoes, hail, floods and severe storms recorded here between 1958 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

27
Tornado reports
121
Hail reports
12
Floods since 1996
607
All events
0
Deaths
$30.2M
Property damage

Tornado paths in Osceola County

The part of each tornado’s path NOAA recorded in this county, 26 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19582026
Hover or tap a bar to see that 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.

June 25, 2010 · Osceola, Iowa
Tornado EF4 Tornado13 injuries, $3.0M damage
A tornado, moving into Osceola County from Lyon County, destroyed at least two houses, injuring two people in one of them. the tornado also destroyed several garages and severely damaged several other homes, destroyed at least 4 hog confinement buildings, several barns and silos,…
August 7, 1994 · Osceola, Iowa
Tornado F3 Tornado1 injury
May 31, 1971 · Osceola, Iowa
Tornado F3 Tornado
June 20, 2024 · Osceola, Iowa
Flood Flood$2.1M damage
Rainfall amounts across Osceola County from June 20-22 ranged from 7 to 9 inches. This rain resulted in widespread overland flooding across the county. A shelter in Sibley was opened after approximately 25 homes were evacuated due to flood waters. There was at least one swift wat…
March 13, 2019 · Osceola, Iowa
Flood Flood$2.6M damage
Flooding resulted in extensive damage to public infrastructure including numerous county and township roads, culverts, and some bridges.
April 9, 2013 · Osceola, Iowa
Winter Storm Winter Storm$10.0M damage
An extended period of precipitation began with freezing rain quickly producing heavy ice accumulations, ranging up to between a quarter and half inch. The precipitation then changed to sleet and then snow, with sleet and snow accumulations reaching 6 inches near Sibley. Many bran…
June 6, 1982 · Osceola, Iowa
Tornado F2 Tornado$2.5M damage
June 14, 1981 · Osceola, Iowa
Tornado F2 Tornado$2.5M damage
June 14, 1981 · Osceola, Iowa
Tornado F2 Tornado$2.5M damage
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts destroyed a metal storage shed.
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
A large machine shed was destroyed by thunderstorm winds along with damage to a few other outbuildings.
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
June 30, 2026 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Multiple large branches were downed and a pine tree uprooted by thunderstorm winds. Two concrete silos were also sheared off and there was minor damage to an outbuilding roof.
June 29, 2026 · Osceola, Iowa
Heat Heat
Dangerous heat index readings reached a brief afternoon peak as high as 103 degrees near Sibley and 102 degrees at May City.
May 17, 2026 · Osceola, Iowa
Hail Hail
April 13, 2026 · Osceola, Iowa
Hail Hail
Pictures provided of quarter size hail.
April 13, 2026 · Osceola, Iowa
Hail Hail
April 13, 2026 · Osceola, Iowa
Hail Hail
April 13, 2026 · Osceola, Iowa
Hail Hail
April 1, 2026 · Osceola, Iowa
Drought Drought
Severe (D2) drought conditions improved to moderate (D1) around mid-month.
March 31, 2026 · Osceola, Iowa
Drought Drought
Moderate (D1) drought conditions worsened to severe (D2) very late month.
March 15, 2026 · Osceola, Iowa
Blizzard Blizzard
Northerly winds were sustained as high as 42 mph near Sibley. During and after a period of snowfall which totaled 4.7 inches at Sibley, visibility was reduced to near zero at times with blowing snow. Travel was not advised over most roadways during the height of the blizzard.
March 15, 2026 · Osceola, Iowa
High Wind High Wind
The Iowa Road Weather Information System site near Sibley had frequent sustained winds from 40 to 42 mph.
January 21, 2026 · Osceola, Iowa
Winter Weather Winter Weather
Northwest winds were sustained from 30 to 35 mph and gusted to 45 mph near Sibley. These winds combined with periods of light snowfall which totaled 1 to 2 inches to produce visibility briefly as low as one-half mile.
January 16, 2026 · Osceola, Iowa
Strong Wind Strong Wind
Sustained winds reached 30 to 38 mph at times at an Iowa Road Weather Information system site near Sibley.
December 28, 2025 · Osceola, Iowa
Blizzard Blizzard
Two episodes of extended blizzard conditions occurred over a slightly less than 24 hour period, with a slight improvement in conditions during the late afternoon to early evening. Gusty northwest winds from 35 to 45 mph were concurrent with light to moderate snowfall, which total…
December 18, 2025 · Osceola, Iowa
Strong Wind Strong Wind
Sustained northwest winds occasionally reached 30 to 39 mph 2 miles northeast of Sibley.
December 18, 2025 · Osceola, Iowa
Blizzard Blizzard1 injury
Periods of light snowfall along with winds of 30 to 50 mph resulted in periods of whiteout conditions. Travel was not recommended during the early and mid-afternoon. Several two-vehicles crashes were reported along State Highways 60 and 9, with one indirect injury accident near A…
December 14, 2025 · Osceola, Iowa
Cold/Wind Chill Cold/Wind Chill
Wind chills reached as low as -30 degrees 2 miles northeast of Sibley.
December 10, 2025 · Osceola, Iowa
High Wind High Wind
Synoptic northwest winds were occasionally sustained from 40 to 45 mph at an Iowa Mesonet station 6 miles east-southeast of Sibley.
December 6, 2025 · Osceola, Iowa
Winter Weather Winter Weather
Snowfall totaled 3.9 inches at Sibley.
November 28, 2025 · Osceola, Iowa
Winter Storm Winter Storm
A long-duration snowfall totaled 7.3 inches at Sibley.
November 25, 2025 · Osceola, Iowa
Strong Wind Strong Wind
Sustained winds reached 30 to 39 mph at times with a peak gust of 51 mph at an Iowa Road Weather Information System site 2 miles northeast of Sibley and 45 mph at a personal weather station in May City.
November 8, 2025 · Osceola, Iowa
Winter Weather Winter Weather
Snowfall totaled 3.0 inches at Sibley.
September 21, 2025 · Osceola, Iowa
Hail Hail
August 16, 2025 · Osceola, Iowa
Excessive Heat Excessive Heat
Dangerous heat index values peaked as high as 110 degrees 6 miles northeast of Hartley and 106 degrees at Ashton on August 16.
August 8, 2025 · Osceola, Iowa
Heat Heat
Heat index values peaked as high as 103 degrees 6 miles northeast of Hartley, 102 degrees at Ashton, 101 degrees at May City, and 100 degrees 2 miles northeast of Sibley.
July 28, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
July 28, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts knocked down a large tree on a house and two trees onto the garage.
July 27, 2025 · Osceola, Iowa
Excessive Heat Excessive Heat
Dangerous heat index readings reached an afternoon peak on July 27 as high as 115 degrees 4 miles southeast of May City and near Ashton, 108 degrees near Sibley, and 106 degrees at May City.
July 21, 2025 · Osceola, Iowa
Excessive Heat Excessive Heat
Dangerous heat index readings reached afternoon peaks as high as 108 degrees 4 miles southeast of May City and 106 degrees at Ashton on July 23.
June 20, 2025 · Osceola, Iowa
Excessive Heat Excessive Heat
Daily afternoon and evening heat indices ranged from 105 to 113 degrees with a maximum heat index of 113 degrees at a personal weather station near Hartley on June 21, 113 degrees in Sibley on June 20, and 105 degrees in May City on June 21.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Trees were reported down in Sibley from thunderstorm wind gusts.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Winds were measured by a personal weather station.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Wind initially hit severe levels at 1300CST with a peak wind of 83 mph recorded at 1310CST at mesonet station RSYI4 near Sibley.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts removed the roof from a small shed.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Thunderstorms winds produced a considerable amount of blowing dust with severely reduced visibility.
June 11, 2025 · Osceola, Iowa
Thunderstorm Wind Thunderstorm Wind
Winds were measured by a personal weather station.
Events by year, as a table
YearEventsTornadoes
2026180
2025350
2024280
2023270
2022240
2021243
2020180
2019190
2018270
2017222
2016200
2015170
2014150
2013160
2012170
2011161
2010214
2009110
2008192
2007130
200690
2005240
2004210
200390
2002100
2001322
200091
199970
199871
199760
1996110
199510
199472
199340
199210
199131
199020
198940
198710
198620
198530
198320
198211
198132
197921
197810
197410
197320
197121
197020
196841
196611
196510
196431
196310
195810