Cerro Gordo storm history
Storm events recorded in Cerro Gordo, Iowa between 1950 and 2025.
847
Total events
38
Tornadoes
184
Hail
81
Floods
1
Deaths
$32.2M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F4 Tornado
Tornado F3 Tornado
Hail Hail
Quarter sized hail reported from the public library.
High Wind High Wind
A non-thunderstorm wind gust measured at the Mason City airport on the backside of an eroding area of rain.
Tornado EF0 Tornado
Broadcast media shared drone imagery of a track developing just east of the I-35 and Highway 18 interchange. The tornado primarily tracked through cropland, but did result in tree damage early in the track for an EF0 rating.
Thunderstorm Wind Thunderstorm Wind
Emergency manager reported trees down in city of Ventura and power out for part of Clear Lake.
Thunderstorm Wind Thunderstorm Wind
Large grain bins destroyed in Ventura. Delayed report, time estimated from radar. Relayed via social media.
Thunderstorm Wind Thunderstorm Wind
Wind gust measured by the Mason City ASOS.
Thunderstorm Wind Thunderstorm Wind
Trees and Branches down in Mason City. Report of at least one tree on a vehicle. Several power poles on fire.
Thunderstorm Wind Thunderstorm Wind
Large tree limbs down in Plymouth and Rock Falls. Tree on vehicle in Rockfalls.
Thunderstorm Wind Thunderstorm Wind
Gust measured at the Mason City airport.
Hail Hail
Report via mPING. Time adjusted based on radar.
Hail Hail
Report via mping.
Hail Hail
Report via mping.
Hail Hail
Blizzard Blizzard
High Wind High Wind
Blizzard Blizzard
High Wind High Wind
High Wind High Wind
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
High Wind High Wind
Drought Drought
Widespread rainfall of 1 to 2 inches over the past week helped to end the Severe Drought conditions across Cerro Gordo County.
Drought Drought
Prolong dryness this fall along with above normal temperatures has led to the expansion of Severe Drought conditions into Cerro Gordo County.
Hail Hail
Hail Hail
Report via Clear Lake Police.
Hail Hail
Hail occurring at sheriff's office.
Hail Hail
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Delayed report of large limbs approximately 6-8 inches in diameter down on a home and power lines in Ventura. Time of occurrence estimated by radar.
Thunderstorm Wind Thunderstorm Wind
Delayed report of a boat dock, tree, and garage door damage around Clear Lake. Time of occurrence estimated by radar.
Flood Flood
The Winnebago River at Mason City crested at 10.96 ft on June 22 at 09:45 pm CDT.
Heavy Rain Heavy Rain
Mesonet reported 4.26 inches of rain.
Heavy Rain Heavy Rain
Public report via social media of 5 inches of rain overnight.
Thunderstorm Wind Thunderstorm Wind
Peak wind gust reported at the Mason City Airport.
Thunderstorm Wind Thunderstorm Wind
Emergency manager reported trees on multiple homes and power lines down.
Thunderstorm Wind Thunderstorm Wind
Public mping report of trees uprooted or snapped, roof damage.
Heavy Rain Heavy Rain
Public reported storm total heavy rainfall of 3.40 inches thus far. Beginning time estimated from radar.
Drought Drought
Ample rainfall during the spring continued across Cerro Gordo County into second half of May with severe drought conditions ending.
Drought Drought
Despite an increase in rainfall, the long duration of the drought kept severe drought conditions over Cerro Gordo County through the end of April.
Drought Drought
Precipitation during the month of March did increase across Cerro Gordo county but amounts were still mostly below normal, hence the continuation of severe to extreme drought conditions.
Drought Drought
Above normal temperatures and below normal precipitation allowed severe to extreme drought conditions to persist across Cerro Gordo county.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Winter Storm Winter Storm
Blizzard Blizzard
Winter Storm Winter Storm
Combination of snow around 4 inches with wind gusts around 35mph.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 19 | 1 |
| 2024 | 27 | 0 |
| 2023 | 14 | 0 |
| 2022 | 23 | 1 |
| 2021 | 30 | 6 |
| 2020 | 26 | 0 |
| 2019 | 24 | 0 |
| 2018 | 71 | 1 |
| 2017 | 36 | 0 |
| 2016 | 56 | 0 |
| 2015 | 19 | 0 |
| 2014 | 16 | 2 |
| 2013 | 22 | 0 |
| 2012 | 25 | 0 |
| 2011 | 14 | 0 |
| 2010 | 27 | 0 |
| 2009 | 9 | 0 |
| 2008 | 32 | 1 |
| 2007 | 22 | 0 |
| 2006 | 14 | 0 |
| 2005 | 18 | 4 |
| 2004 | 31 | 1 |
| 2003 | 26 | 1 |
| 2002 | 22 | 1 |
| 2001 | 15 | 0 |
| 2000 | 19 | 0 |
| 1999 | 28 | 2 |
| 1998 | 27 | 2 |
| 1997 | 7 | 0 |
| 1996 | 24 | 0 |
| 1995 | 15 | 1 |
| 1994 | 5 | 0 |
| 1992 | 5 | 1 |
| 1991 | 10 | 0 |
| 1990 | 3 | 1 |
| 1988 | 3 | 1 |
| 1986 | 2 | 0 |
| 1985 | 1 | 0 |
| 1984 | 4 | 2 |
| 1983 | 3 | 0 |
| 1982 | 2 | 0 |
| 1981 | 2 | 0 |
| 1980 | 4 | 2 |
| 1979 | 3 | 1 |
| 1978 | 3 | 0 |
| 1977 | 2 | 1 |
| 1976 | 1 | 0 |
| 1975 | 3 | 0 |
| 1974 | 5 | 0 |
| 1973 | 3 | 1 |
| 1971 | 1 | 0 |
| 1970 | 2 | 0 |
| 1969 | 3 | 0 |
| 1968 | 4 | 0 |
| 1967 | 3 | 1 |
| 1966 | 1 | 0 |
| 1965 | 1 | 0 |
| 1963 | 1 | 0 |
| 1962 | 2 | 0 |
| 1961 | 1 | 0 |
| 1960 | 2 | 2 |
| 1959 | 1 | 0 |
| 1958 | 1 | 0 |
| 1956 | 1 | 0 |
| 1953 | 1 | 1 |