Lee County, Iowa
Tornadoes, hail, floods and severe storms recorded here between 1954 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
43
Tornado reports
155
Hail reports
90
Floods since 1996
722
All events
1
Deaths
$41.9M
Property damage
Tornado paths in Lee County
The part of each tornado’s path NOAA recorded in this county, 43 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.
Numerous car windows broken
KHQA TV
Tornado EF1 Tornado
A brief EF1 tornado uniquely tracked across three states. This developed just in Lee County, Iowa, with peak winds of 105 mph, and tracked southeast through Clark County, Missouri. It then continued across the Mississippi River into Hancock County Illinois.
Hail Hail
Flash Flood Flash Flood
Deep water over 1 foot in lower lying downtown roads. Nearby creeks were over their banks. Some vehicles stranded. Water receded by 11 AM.
Funnel Cloud Funnel Cloud
Cone shaped funnel cloud reported.
Thunderstorm Wind Thunderstorm Wind
A large tree blown down.
Thunderstorm Wind Thunderstorm Wind
A large tree fell down and multiple thick limbs were snapped. The time was estimated using radar data.
Blizzard Blizzard
The COOP Observer in Donnellson reported 2.4 inches of snow. Wind gusted between 35 to 45 MPH across eastern Iowa combed with snow and blowing snow reducing visibilities at Keokuk Airport (KEOK) between 3/4SM and 2SM.
Tornado EF1 Tornado
An EF1 tornado with peak winds of 95 to 100 mph began its 1.5 mile long path by downing some tree branches. The tornado increased in strength causing damage to the door of a farm outbuilding along with damage to additional farm out buildings. The tornado continued east along 230t…
Tornado EF1 Tornado
An EF1 tornado with max winds near 90 mph begun its 2.1 mile long path with damage to tree branches. The tornado then caused damage to some fascia on a house and then crossed into Wilson Lake Park where additional trees were downed. Some trees were uprooted with a couple of trees…
Tornado EF1 Tornado
This survey was completed with the help of the Denmark Fire Department. This EF-1 tornado caused damage to a large section of shingles that it tore off a roof and the soffit blew in on multiple sides of a house. About 10-15 snapped trees, with most snapped halfway up. There were …
Thunderstorm Wind Thunderstorm Wind
Partial lift of the roof on a shop.
Thunderstorm Wind Thunderstorm Wind
An NWS Storm Survey found uprooted trees from thunderstorm straight line winds.
Hail Hail
Winter Storm Winter Storm
The COOP Observer in Donnellson reported 6.5 inches. A trained spotter 1 mile south of Mooar reported 7.0 inches.
Tornado EFU Tornado
Video footage of a brief tornado. No known damage. Time is based on radar and video.
Tornado EFU Tornado
Brief touchdown confirmed by video. No damage was reported or known. Time based on radar and video information.
Hail Hail
Flash Flood Flash Flood
Department of Highways reports that 263rd Ave in Lee County was closed due to high water.
Flash Flood Flash Flood
Department of Highways reports that 240th Avenue is closed from Hwy 2 to 235th St until further notice due to high water and flash flooding.
Flash Flood Flash Flood
Flooding across the road and bridge has caused 220th St. to be closed until further notice from Golden Road to Wilson Lake Park.
Flash Flood Flash Flood
The Department of Highways reported that 170th Street closed from 140th Ave. to 150th Ave. due to high water and flooding.
Flash Flood Flash Flood
Department of Highways reported that 240th St to 265th Ave closed due to water over the road.
Thunderstorm Wind Thunderstorm Wind
As storm and winds moved in, top of tree knocked over. Time of the event was estimated using radar.
Flash Flood Flash Flood
Water over River Road by the Keokuk Yacht Club.
Tornado EF0 Tornado
A brief EF0 tornado with maximum winds of 85 mph touched down southwest of Ft Madison Iowa. This derailed a train. It also damaged an irrigator, a garage, and trees.
Thunderstorm Wind Thunderstorm Wind
Widespread significant tree damage throughout all of Fort Madison from 53rd street to 6th street. Trees down on houses and trees on roads. Time estimated from radar data.
Thunderstorm Wind Thunderstorm Wind
Numerous trees down at Rodeo Park. Time estimated from radar information.
Thunderstorm Wind Thunderstorm Wind
Reported by the public on wind observing equipment.
Ice Storm Ice Storm
Trained spotters and DOT reported widespread slick conditions with a 0.1 to 0.3 of an inch of ice accumulation on the ground and elevated surfaces.
Thunderstorm Wind Thunderstorm Wind
The AWOS at the Keokuk Airport (KEOK) reported a measured wind gust of 55 knots.
Thunderstorm Wind Thunderstorm Wind
A member of the public reported a 58 MPH thunderstorm wind gust measured on a personal weather station.
Thunderstorm Wind Thunderstorm Wind
A public report of 67 MPH measured wind gust on a personal weather station just northwest of Houghton.
Thunderstorm Wind Thunderstorm Wind
A trained spotter estimated a 60 MPH wind gust with no damage noted.
Thunderstorm Wind Thunderstorm Wind
A public report of a 58 MPH wind gust measured on a Davis Weather Station.
Thunderstorm Wind Thunderstorm Wind
The COOP Observer reported power lines down at the farm.
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported tree limbs down. The time of the event was estimated using radar.
Flash Flood Flash Flood
The Emergency Manager reported that creeks were flooding in Montrose.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
A public report of trees uprooted.
Thunderstorm Wind Thunderstorm Wind
A public report of a mobile home roof partially removed with a carport and shed destroyed. Tree limbs were also down.
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported a four inch diameter tree branch down with several other smaller branches blown down.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Estimated 60 to 70 mph winds, with nearby measured 70 mph wind gust.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 13 | 4 |
| 2025 | 15 | 3 |
| 2024 | 22 | 1 |
| 2023 | 21 | 0 |
| 2022 | 7 | 0 |
| 2021 | 10 | 1 |
| 2020 | 5 | 0 |
| 2019 | 40 | 1 |
| 2018 | 19 | 0 |
| 2017 | 14 | 1 |
| 2016 | 10 | 0 |
| 2015 | 18 | 2 |
| 2014 | 21 | 1 |
| 2013 | 24 | 0 |
| 2012 | 14 | 0 |
| 2011 | 17 | 0 |
| 2010 | 57 | 1 |
| 2009 | 22 | 0 |
| 2008 | 29 | 0 |
| 2007 | 23 | 1 |
| 2006 | 22 | 0 |
| 2005 | 20 | 0 |
| 2004 | 16 | 4 |
| 2003 | 34 | 1 |
| 2002 | 17 | 1 |
| 2001 | 14 | 0 |
| 2000 | 32 | 0 |
| 1999 | 21 | 0 |
| 1998 | 17 | 3 |
| 1997 | 19 | 0 |
| 1996 | 11 | 0 |
| 1995 | 8 | 0 |
| 1994 | 4 | 0 |
| 1993 | 4 | 0 |
| 1992 | 2 | 0 |
| 1991 | 2 | 0 |
| 1990 | 5 | 1 |
| 1989 | 4 | 0 |
| 1988 | 1 | 0 |
| 1987 | 3 | 0 |
| 1986 | 5 | 0 |
| 1984 | 1 | 0 |
| 1982 | 4 | 2 |
| 1980 | 2 | 0 |
| 1979 | 3 | 1 |
| 1978 | 2 | 2 |
| 1977 | 1 | 1 |
| 1976 | 3 | 0 |
| 1975 | 3 | 0 |
| 1974 | 6 | 0 |
| 1973 | 4 | 1 |
| 1970 | 1 | 0 |
| 1969 | 4 | 0 |
| 1968 | 2 | 2 |
| 1967 | 12 | 3 |
| 1966 | 1 | 0 |
| 1965 | 2 | 0 |
| 1964 | 1 | 0 |
| 1960 | 1 | 1 |
| 1959 | 2 | 0 |
| 1958 | 2 | 1 |
| 1957 | 2 | 2 |
| 1954 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Lee County, measured to its path.
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