Waukesha storm history
Storm events recorded in Waukesha, Wisconsin between 1950 and 2025.
1,217
Total events
38
Tornadoes
251
Hail
61
Floods
8
Deaths
$271.1M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F3 Tornado
A car accident during dense fog in a construction zone resulted in a fatality. The accident occurred at the intersection of county highways CW and SC.
Icy roads contributed to a single vehicle accident that claimed the life of the driver.
Three to five inches of powdery snow causing numerous slide-offs and accidents, including a 50 vehicle pile-up on highway 41/45. One death occurred with the pile-up.
Heavy rains led to flash flooding that generated water levels of 2 to 4 feet deep on many low-lying roads, especially near existing lakes. Several vehicles stalled in the deep water and were damaged. A 68-year-old man left a tavern around 2245 CST and drove into a flooded area. H…
An EF2 tornado developed about 1.9 miles west-southwest of the Village of Eagle, roughly 1/2 mile south-southeast of the intersection of STH 59 and CTH S, just west of CTH S and west of a horse-riding ranch, and moved east-northeast through the Eagle and then moved due east and t…
Widespread flash flooding of streets, creeks, rivers, and low lying neighborhoods and homes occurred especially in New Berlin, Brookfield, Butler, Menomonee Falls, Elm Grove, and Muskego. Some of the more notable creeks or rivers that flooded were the Fox and Menomonee Rivers and…
Widespread flash flooding of streets, creeks, rivers, and low lying neighborhoods and homes occurred especially in New Berlin, Brookfield, Menomonee Falls, Waukesha, Pewaukee, Merton, and Muskego. Some of the more notable creeks or rivers that flooded were the Fox River, Jewel Cr…
Approximately 100 people were displaced when an apartment building was struck by lightning causing a fire. The 42 unit apartment building was a total loss. One resident was rescued from the third floor and one fireman was injured. Two residents were also injured.
Thunderstorms training over the region produced 4 to 7 inches of rain over Waukesha County. While many sections of the county experienced flash flooding, the north and northeast sections were hardest hit, with numerous roads flooded and basements flooded in Brookfield, Menomonee …
Heavy rains resulted in flash flooding across much of Waukesha County. Water reached depths of 3 feet or more and several cars stalled. This was one of 4 flash floods in Waukesha County that occurred on Junen 7th and 8th. Collectively, each of these 4 flash floods resulted in hom…
A 1-in-a-100-year flood occurred in and around the city of Waukesha after a heavy rain of 3 to 5 inches within a 2-hr period. The heavy rains were the result of slow-moving or back-building thunderstorms that essentially sat over the same area. There were no reports of injuries o…
Hail sized ranged from 1.00 to 2.00 inches in diameter.
Hail sized ranged from 1.00 to 2.75 inches in diameter.
Winter Weather Winter Weather
Snow accumulation of 1-3 inches. Westerly wind gusts around 35 mph.
Winter Weather Winter Weather
Wind chill temperatures 20 below to 30 below zero.
Winter Weather Winter Weather
Snow accumulation of a trace to 4 inches with the highest snow amounts in the far northern portion of the county. A glaze of ice accumulation also occurred.
Winter Weather Winter Weather
Snow accumulation of 2-4 inches.
Winter Storm Winter Storm
Snow accumulation of 9-12 inches.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Several trees and wires down in and near Delafield.
Thunderstorm Wind Thunderstorm Wind
About a half a dozen large branches and tops of trees broken off along with two downed and split trees.
Flash Flood Flash Flood
Some flash flooding of streets, creeks, and low lying neighborhoods in Merton, Hartland, Delafield, Oconomowoc and surrounding areas.
Flood Flood
Widespread flooding of streets, creeks, rivers, and low lying neighborhoods and homes continued over the eastern half of the county and was aggravated by additional showers and storms. The greatest concentration of flooding was in New Berlin, Brookfield, Butler, Menomonee Falls, …
Heat Heat
Maximum heat index values of 99-104 degrees Fahrenheit and minimums in the middle to upper 70s.
Thunderstorm Wind Thunderstorm Wind
Several trees and branches down.
Thunderstorm Wind Thunderstorm Wind
Mesonet site recorded a 66 mph wind gust.
Hail Hail
Photograph provided.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 54 | 0 |
| 2024 | 48 | 0 |
| 2023 | 22 | 2 |
| 2022 | 52 | 1 |
| 2021 | 26 | 4 |
| 2020 | 28 | 0 |
| 2019 | 38 | 1 |
| 2018 | 37 | 0 |
| 2017 | 24 | 0 |
| 2016 | 29 | 0 |
| 2015 | 25 | 2 |
| 2014 | 42 | 0 |
| 2013 | 43 | 0 |
| 2012 | 43 | 0 |
| 2011 | 30 | 0 |
| 2010 | 40 | 3 |
| 2009 | 30 | 1 |
| 2008 | 64 | 1 |
| 2007 | 49 | 0 |
| 2006 | 61 | 0 |
| 2005 | 39 | 0 |
| 2004 | 34 | 0 |
| 2003 | 23 | 0 |
| 2002 | 28 | 0 |
| 2001 | 35 | 0 |
| 2000 | 42 | 0 |
| 1999 | 30 | 1 |
| 1998 | 26 | 0 |
| 1997 | 14 | 0 |
| 1996 | 23 | 0 |
| 1995 | 8 | 0 |
| 1994 | 9 | 0 |
| 1993 | 3 | 0 |
| 1992 | 3 | 0 |
| 1991 | 8 | 0 |
| 1990 | 1 | 0 |
| 1989 | 7 | 0 |
| 1988 | 8 | 1 |
| 1987 | 10 | 2 |
| 1986 | 3 | 0 |
| 1985 | 3 | 1 |
| 1984 | 8 | 1 |
| 1983 | 6 | 0 |
| 1982 | 2 | 1 |
| 1981 | 5 | 1 |
| 1980 | 13 | 2 |
| 1979 | 3 | 0 |
| 1978 | 2 | 0 |
| 1977 | 5 | 2 |
| 1975 | 2 | 0 |
| 1974 | 1 | 0 |
| 1973 | 5 | 1 |
| 1972 | 2 | 1 |
| 1969 | 2 | 1 |
| 1968 | 1 | 0 |
| 1967 | 1 | 1 |
| 1966 | 2 | 1 |
| 1965 | 5 | 2 |
| 1962 | 1 | 0 |
| 1961 | 1 | 0 |
| 1959 | 3 | 2 |
| 1957 | 2 | 0 |
| 1956 | 1 | 1 |
| 1955 | 1 | 0 |
| 1954 | 1 | 1 |