| August 2010 | Thunderstorm Wind | Storm Lake | $500,000 | Thunderstorm winds blew the roof off a manufacturing plant, damaged docks and boats along the lake, caused widespread tree damage including numerous large trees blown down, blew down power lines and poles, resulting in power outages, damaged or destroyed several small sheds, blew down several awnings on businesses, snapped a 4 inch by 4 inch street sign pole, and blew shingles off roofs. Numerous vehicles, homes, and businesses sustained minor damage directly from the wind, while other vehicles and homes were damaged by falling trees and tree debris, some heavily. |
| June 2005 | Flash Flood | Storm Lake | $200,000 | Heavy rainfall of around 5 inches caused widespread flooding of streets, with up to 4 feet of water covering some intersections. Numerous vehicles stalled, including a police car responding to an emergency. Numerous basements and some surface floors of buildings were flooded, with several houses having up to 6 inches of water on ground level floors. The overflow of storm sewers caused treated sewage water to drain into the lake. Nearby fields and crops were also flooded. |
| June 2014 | Flash Flood | Storm Lake | $100,000 | Heavy rain caused flash flooding of numerous streets in Storm Lake. Basements were also flooded. |
| March 2009 | Thunderstorm Wind | Storm Lake | $30,000 | Thunderstorm winds blew a 6 by 20 foot roof section off Kings Pointe Lodge. The roof section damaged other parts of the roof after it blew off. Roof debris and insulation damaged a vehicle in the lodge parking lot. |
| June 2009 | Thunderstorm Wind | Storm Lake | $20,000 | Thunderstorm winds caused tree damage, including several trees blown down. Four vehicles were damaged by falling trees or tree debris. The winds also blew down power lines, causing a power outage. |
| September 2004 | Thunderstorm Wind | Storm Lake | $20,000 | Thunderstorm winds caused tree and power line damage. The damage resulted in a power outage that lasted two and a half hours and affected over a thousand city households, about a third of the city's population. |
| June 2011 | Thunderstorm Wind | Storm Lake | $10,000 | Thunderstorm winds blew down trees and power lines. |
| July 2003 | Flash Flood | Storm Lake | $10,000 | Heavy rain caused flooding of roads, fields and other low areas, and small streams. The flooding washed out two bridges. |
| August 2009 | Thunderstorm Wind | Storm Lake | $5,000 | Thunderstorm winds caused tree damage, including large branches and limbs blown down. At least two vehicles, a pickup truck and a restored automobile, suffered damage from tree debris. |
| April 2025 | Thunderstorm Wind | Storm Lake | - | Trees and power lines were downed in residential areas south of downtown Storm Lake. |
| April 2025 | Thunderstorm Wind | Storm Lake | - | Tree, power line, and roof damage occurred along business Highway 71. Most roof damage was to metal roofing and building soffits, with one building suffering the collapse of an unsupported cinder block wall. Several semi-trucks were tipped over. A large hardwood tree trunk was snapped off above the ground. |
| August 2008 | Hail | Storm Lake | - | Large hail dented vehicles. The amount of property damage was not known. |
| August 2007 | Flash Flood | Storm Lake | - | Thunderstorms caused heavy rain which caused flooding of streets and yards in Storm Lake on the evening of August 4th. The flash flood was the second one in town on the same day; the first being during the morning. |
| August 2007 | Flash Flood | Storm Lake | - | Heavy rain caused flooding of numerous streets in the town of Storm Lake. |
| August 2007 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including at least one tree blown down. |
| May 2007 | Flash Flood | Storm Lake | - | Heavy rain caused flash flooding of roads and fields. |
| August 2007 | Flash Flood | Storm Lake | - | Rainfall of 3 to 4 inches caused flooding of several streets in Storm Lake. |
| August 2006 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree and power line damage. Tree debris blocked several roads in Storm Lake. |
| September 2006 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including numerous large trees blown down. |
| September 2006 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including a large tree blown down across a road. |
| July 2003 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including two inch diameter branches down. |
| August 2001 | Lightning | Storm Lake | - | Lightning struck three large trees. |
| July 2000 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including several trees down. |
| October 2000 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused tree damage, including a large and healthy tree blown down. |
| July 1997 | Thunderstorm Wind | Storm Lake | - | Thunderstorm winds caused an unknown amount of tree damage. |
| July 2016 | Hail | Storm Lake | - | no account filed |
| June 2010 | Hail | Storm Lake | - | no account filed |
| June 2009 | Thunderstorm Wind | Storm Lake | - | no account filed |
| May 2008 | Thunderstorm Wind | Storm Lake | - | no account filed |
| August 2008 | Hail | Storm Lake | - | no account filed |
| August 2008 | Hail | Storm Lake | - | no account filed |
| May 2006 | Hail | Storm Lake | - | no account filed |
| July 2003 | Hail | Storm Lake | - | no account filed |
| July 2002 | Thunderstorm Wind | Storm Lake | - | no account filed |
| June 2001 | Thunderstorm Wind | Storm Lake | - | no account filed |
| May 1999 | Hail | Storm Lake | - | no account filed |
| May 1998 | Hail | Storm Lake | - | no account filed |
| May 1998 | Thunderstorm Wind | Storm Lake | - | no account filed |
| July 1998 | Thunderstorm Wind | Storm Lake | - | no account filed |
| May 1998 | Hail | Storm Lake | - | no account filed |
| June 1998 | Hail | Storm Lake | - | no account filed |
| June 1996 | Hail | Storm Lake | - | no account filed |