Johnson 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.
46
Tornado reports
229
Hail reports
75
Floods since 1996
901
All events
6
Deaths
$339.7M
Property damage
Tornado paths in Johnson County
The part of each tornado’s path NOAA recorded in this county, 46 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.
Iowa State Patrol responded to a crash due to ice-covered roads, caused by overnight freezing fog and drizzle. A semi truck driver lost control of their vehicle and jackknifed on Interstate 80, which led to two fatalities and several injuries. Total number of injuries are unknown…
Low temperatures at the Iowa City Airport ASOS on the 30th and 31st were -26 and -29 Fahrenheit. The coldest wind chill during this period were -51 at 411 AM.
Low temperatures at the Iowa City Airport ASOS on the 30th and 31st were -26 and -29 Fahrenheit. The coldest wind chill during this period were -51 at 411 AM.
Wind gusts estimated to be 75 mph blew down numerous trees at Lake McBride State Park about 4 miles west southwest of Solon, IA at 940 am CDT May 29. One tree fell onto a tent, killing a camper.
Rated very high F2 with winds estimated at 155 mph.
The Emergency Manager reported that the Cedar Rapids and Iowa City Railroad (CRANDIC) experienced washed out tracks and a bridge in the Swisher area.
The record crest on the Iowa River at Iowa City occurred on June 15, 2008 at 31.53 feet. Flood stage is 22 feet. The record crest on the Iowa River at Lone Tree occurred on June 15, 2008 at 23.15 feet. Flood stage is 15 feet. Preliminary damage estimates just to the University of…
A 15 minute "rain" of baseball sized hail caused $30 to $50 million dollars of damage. One insurance agent said "this was the worst storm since 1967." He went on to say; "everyone he insures who has a skylight now has a broken skylight." This included the skylights over the swimm…
Flash Flood Flash Flood
Roads were closed due to high water - 140th St between Ely Rd and Naples, Sandy Beach Rd at the Beach, and Chambers Ave at posted low water crossing. Time estimated.
Thunderstorm Wind Thunderstorm Wind
Large tree blown down with limbs 6 to 8 inches in diameter.
Thunderstorm Wind Thunderstorm Wind
A tree fell and damaged fence on Washington Ave.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Wind gust was measured by house anemometer and 1 inch tree limbs down. Time estimated by radar.
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported 62 mph winds.
Thunderstorm Wind Thunderstorm Wind
Tree with 4 to 6 inch diameter trunk was snapped at the base.
Thunderstorm Wind Thunderstorm Wind
Power lines downed in the area due to strong thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Light structural damage to homes in the community, resulting from strong straight-line thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
A measured a 60 knot gust was recorded on home a weather station.
Thunderstorm Wind Thunderstorm Wind
Measured wind gust of 71 MPH at School in town. Tree blown over onto power lines. The time of the event was estimated using radar.
Hail Hail
Hail Hail
The time was estimated from radar data.
Hail Hail
Report received from Mping.
Hail Hail
Hail Hail
Report received from Mping.
Hail Hail
This report was relayed by broadcast media.
Tornado EF0 Tornado
An EF0 tornado lofted a corn crib, snapped trees, bent an auger, and partially destroyed a roof on a farm outbuilding. This tornado continued into Muscatine County, Iowa.
Hail Hail
Hail Hail
A trained spotter reported penny to ping pong ball sized hail.
Hail Hail
Blizzard Blizzard
The Iowa DOT closed Interstate 80 Johnson County west of Iowa City during the storm due to accidents and poor visibilities. A trained spotter snowfall reports ranged from 3.2 inches 2 miles east of Iowa City to 5.0 inches 1 mile west of Elmira. Wind gusted between 45 to 55 MPH ac…
Hail Hail
Hail Hail
A trained spotter reported copious amounts of pea to nickel size hail lasting for 10 minutes.
Hail Hail
Hail Hail
A trained spotter reported hail up the size of quarters.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
A public reported that hail up to the size of quarters was covering the ground The hail last for 10 minutes.
Hail Hail
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 37 | 1 |
| 2025 | 12 | 0 |
| 2024 | 51 | 4 |
| 2023 | 41 | 5 |
| 2022 | 5 | 0 |
| 2021 | 12 | 0 |
| 2020 | 22 | 1 |
| 2019 | 23 | 2 |
| 2018 | 19 | 0 |
| 2017 | 35 | 1 |
| 2016 | 8 | 0 |
| 2015 | 16 | 0 |
| 2014 | 45 | 2 |
| 2013 | 29 | 0 |
| 2012 | 31 | 0 |
| 2011 | 25 | 0 |
| 2010 | 31 | 0 |
| 2009 | 24 | 0 |
| 2008 | 49 | 1 |
| 2007 | 46 | 0 |
| 2006 | 55 | 6 |
| 2005 | 12 | 0 |
| 2004 | 25 | 0 |
| 2003 | 15 | 0 |
| 2002 | 18 | 0 |
| 2001 | 25 | 3 |
| 2000 | 26 | 0 |
| 1999 | 16 | 0 |
| 1998 | 14 | 1 |
| 1997 | 20 | 0 |
| 1996 | 13 | 0 |
| 1995 | 1 | 0 |
| 1994 | 3 | 0 |
| 1992 | 1 | 0 |
| 1991 | 6 | 3 |
| 1990 | 2 | 1 |
| 1989 | 6 | 0 |
| 1988 | 6 | 3 |
| 1987 | 2 | 0 |
| 1986 | 5 | 1 |
| 1985 | 4 | 0 |
| 1984 | 4 | 1 |
| 1983 | 1 | 1 |
| 1982 | 2 | 0 |
| 1981 | 1 | 0 |
| 1980 | 5 | 0 |
| 1979 | 3 | 0 |
| 1978 | 5 | 0 |
| 1977 | 3 | 2 |
| 1976 | 1 | 0 |
| 1975 | 8 | 2 |
| 1974 | 10 | 2 |
| 1973 | 2 | 1 |
| 1972 | 1 | 1 |
| 1971 | 4 | 0 |
| 1970 | 3 | 0 |
| 1969 | 2 | 0 |
| 1968 | 3 | 0 |
| 1965 | 1 | 0 |
| 1962 | 3 | 1 |
| 1959 | 1 | 0 |
| 1958 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Johnson County, measured to its path.
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