Grundy County, Iowa
Tornadoes, hail, floods and severe storms recorded here between 1952 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
41
Tornado reports
91
Hail reports
56
Floods since 1996
558
All events
2
Deaths
$28.8M
Property damage
Tornado paths in Grundy County
The part of each tornado’s path NOAA recorded in this county, 40 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.
Tornado F3 Tornado
Heavy Snow Heavy Snow
Hail Hail
Quarter sized hail reported by trained spotter.
Tornado EFU Tornado
Drone imagery provided by the emergency manager and satellite imagery revealed a track in agricultural fields. No DIs were impacted, resulting in an EF-U rating.
Tornado EFU Tornado
Drone imagery provided by the emergency manager and satellite imagery revealed a track in agricultural fields. No DIs were impacted, resulting in an EF-U rating.
Tornado EFU Tornado
Satellite imagery revealed a track in agricultural fields. No DIs were impacted, resulting in an EF-U rating.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Six inch tree limbs broken in Grundy Center. Time estimated via radar.
Thunderstorm Wind Thunderstorm Wind
Delayed report of trees down and hoop building damaged near 220th and B Ave.
Thunderstorm Wind Thunderstorm Wind
Report of large tree split and large branches downed in Reinbeck.
Heavy Rain Heavy Rain
Total rainfall of 3.06 inches since midnight at mesonet station GW1032 Beaman.
Heavy Rain Heavy Rain
Rainfall since midnight of 3.68 inches.
Heavy Rain Heavy Rain
Total rainfall of 3.15 inches at PWS since midnight.
Thunderstorm Wind Thunderstorm Wind
Wind gust measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Blizzard Blizzard
High Wind High Wind
High Wind High Wind
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Drought Drought
Widespread rainfall of 1 to 2 inches over the past week helped to end the Severe Drought conditions across Grundy County.
Drought Drought
Prolong dryness this fall along with above normal temperatures has led to the expansion of Severe Drought conditions into Grundy County.
Thunderstorm Wind Thunderstorm Wind
Tree damage and minor building damage with a small portion of a barn roof removed.
Thunderstorm Wind Thunderstorm Wind
Tree and utility damage near Wellsburg. Time of occurrence estimated from radar.
Flash Flood Flash Flood
An increasing number of county roads across the county are becoming impassable due to flash flooding.
Flash Flood Flash Flood
Flooding on the roadway with field debris piling up.
Hail Hail
Quarter sized hail reported in Dike. Photo and video relayed via broadcast media. Time estimated from radar.
Thunderstorm Wind Thunderstorm Wind
Trained spotter reported branches down.
Drought Drought
Severe drought ended across Grundy County by the middle of May as generous spring-time rainfall persisted in central Iowa.
Drought Drought
Despite an increase in rainfall, the long duration of the drought kept severe drought conditions over Grundy County through the end of April.
Drought Drought
Precipitation during the month of March did increase across Grundy county with amounts near normal. There was some minor improvement in drought conditions but severe drought continued through the end of the month.
Drought Drought
Above normal temperatures and below normal precipitation allowed severe to extreme drought conditions to persist across Grundy county.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Winter Storm Winter Storm
Blizzard Blizzard
Winter Storm Winter Storm
Drought Drought
Severe to extreme drought persisted in Grundy county during January with temperatures remaining above normal. Precipitation was above normal, however this did little to help the longer term dryness across the area.
Drought Drought
Severe to extreme drought conditions remained across Grundy county through December with above normal temperatures and below normal rainfall.
Drought Drought
Severe to Extreme drought conditions persisted in Grundy county for the duration of November given lack of rain and above normal temperatures.
Drought Drought
Severe to extreme drought conditons maintained a presence in Grundy county during the month of October. Temperatures remained above normal during the month with near normal rainfall although longer range precipitation remains well below normal.
Drought Drought
Widespread severe to extreme drought persisted in Grundy county during September given the above normal temperatures and below normal precipitation.
Drought Drought
Severe to Extreme drought affected Grundy County as above normal temperatures and below normal rainfall occurred during August.
Hail Hail
Quarter sized hail accompanied by 60 mph wind gusts from Wellsburg to Grundy Center area.
Drought Drought
Severe drought conditions in Grundy County eased with decent mid month rainfall.
Drought Drought
Severe drought expanded into Grundy County by the middle of June as dry conditions and very warm temperatures persisted. These conditions remained through the end of the month.
Tornado EF1 Tornado
Two tornadoes developed in parallel to the north of Wellsburg. This northern track tornado damaged several trees and outbuildings along its path.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 1 | 0 |
| 2025 | 17 | 3 |
| 2024 | 17 | 0 |
| 2023 | 12 | 2 |
| 2022 | 12 | 0 |
| 2021 | 20 | 0 |
| 2020 | 17 | 0 |
| 2019 | 16 | 0 |
| 2018 | 24 | 0 |
| 2017 | 11 | 0 |
| 2016 | 17 | 2 |
| 2015 | 21 | 0 |
| 2014 | 19 | 4 |
| 2013 | 24 | 0 |
| 2012 | 10 | 0 |
| 2011 | 5 | 0 |
| 2010 | 14 | 0 |
| 2009 | 22 | 3 |
| 2008 | 25 | 2 |
| 2007 | 15 | 0 |
| 2006 | 12 | 0 |
| 2005 | 14 | 0 |
| 2004 | 25 | 5 |
| 2003 | 12 | 0 |
| 2002 | 7 | 1 |
| 2001 | 21 | 3 |
| 2000 | 20 | 1 |
| 1999 | 13 | 1 |
| 1998 | 16 | 0 |
| 1997 | 15 | 0 |
| 1996 | 17 | 0 |
| 1995 | 3 | 0 |
| 1994 | 7 | 0 |
| 1993 | 1 | 0 |
| 1992 | 2 | 0 |
| 1991 | 7 | 1 |
| 1990 | 5 | 1 |
| 1989 | 2 | 1 |
| 1987 | 2 | 1 |
| 1984 | 3 | 0 |
| 1983 | 2 | 0 |
| 1981 | 2 | 0 |
| 1980 | 2 | 0 |
| 1979 | 3 | 0 |
| 1978 | 1 | 1 |
| 1977 | 2 | 1 |
| 1975 | 2 | 1 |
| 1974 | 5 | 0 |
| 1973 | 4 | 1 |
| 1971 | 4 | 2 |
| 1969 | 1 | 0 |
| 1966 | 2 | 2 |
| 1964 | 1 | 0 |
| 1960 | 3 | 1 |
| 1952 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Grundy County, measured to its path.
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