Washington storm history
Storm events recorded in Washington, Missouri between 1950 and 2025.
465
Total events
28
Tornadoes
169
Hail
26
Floods
7
Deaths
$57.9M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado EF3 Tornado
The tornado then entered Washington County and crossed West State Highway 8 east of Berryman. The tornado continued northeast, damaging mobile homes and snapping trees around Cape Lakewood before approaching State Highway 185 and the town of Latty. Once there, the tornado strengt…
Tornado F3 Tornado
The 1st in a series of 5 small tornadoes struck just northeast of Potosi along Highway 21. The Potosi Lumberyard was severely damaged. Seven people were injured with one kept overnight at a local hospital.
Excessive Heat Excessive Heat
Hot and extremely humid conditions led to heat index values over 105 degrees for a week. The heat index values peaked around 110 degrees.
Tornado EF0 Tornado
The tornado crossed the Iron/Washington County line where it continued to uproot and damage trees. It dissipated at 20:01 along Highway DD just north of its junction with Martin Road.
Tornado EF0 Tornado
A tornado touched down near Eight Wheeler Road outside of Richwoods and caused tree damage as it moved north-northeast before dissipating just north of Highway H. The peak wind speed was 80 mph and the path was 2.21 miles long and 140 yards wide.
Tornado EF1 Tornado
A brief tornado touched down just west of Bates Creek Camp near Potosi during the afternoon. Here, the tornado caused building and tree damage. Most notably it destroyed the garage of a home in Bates Creek Camp. The tornado then moved northeast into southern Potosi, causing tree …
Flash Flood Flash Flood
The Dent Branch of the Big River was reportedly swiftly running over Highway C where a bridge crosses the road. Rainfall totals through the event were on the order of 2.5 to 4.3 inches.
Hail Hail
Hail Hail
Quarter sized hail fell in Caledonia. Some hailstones may have been slightly larger than quarters.
Hail Hail
Winter Storm Winter Storm
A total of 7 to 8 inches of snow was reported across the county with the storm. 7.6 inches was measured at Potosi.
Winter Storm Winter Storm
A mix of freezing rain and sleet fell through the morning of the 5th. After a brief break in the afternoon, more snow fell in the evening. A total of 2 to 4 inches of snow and sleet fell across the county. About 1 to 2 inches of this fell in the form of sleet along with one quart…
Flash Flood Flash Flood
Heavy rain caused water to run over Route CC near Highway 21 and Route E east of Potosi.
Heavy Rain Heavy Rain
A Cocorahs station 3.2 W Potosi measured 8.8 inches of storm total rainfall between November 4th and 5th.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
A tree fell over power lines on Gilday Road south of Potosi.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds reportedly knocked a tree down blocking the road at New Diggins Road and Cook Subdivision Road near Mineral Point.
Thunderstorm Wind Thunderstorm Wind
A 911 call center reported a tree down on Highway 8 near Berryman.
Thunderstorm Wind Thunderstorm Wind
A 911 call center reported downed power lines at Route 21 and Macon Road south of Potosi.
Hail Hail
Cold/Wind Chill Cold/Wind Chill
Wind chill values dropped to as low as 25 below zero with the coldest values during the nighttime hours.
Excessive Heat Excessive Heat
A period of very hot and extremely humid weather began on Sunday, August 20 and lasted through Friday, August 25. The combination of heat and humidity led to heat index values of 110 to 120 as observed at numerous reporting sites in the region.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several trees onto Highway 47 around the intersection with Highway 21.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down numerous trees, tree limbs and power lines from Potosi to Mineral Point.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several trees as well as numerous tree limbs.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several large tree limbs just northwest of Blackwell.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several large trees and numerous tree limbs in the Woodland Lakes community. Also, several campers and awnings were damaged either due to fallen trees and/or tree limbs. Numerous power lines were knocked down as well.
Heavy Snow Heavy Snow
Heavy snow fell across Washington County. Between 3 and 7 inches fell with the heaviest snow across the far southern portions of the county.
Winter Storm Winter Storm
Between 1 and 3 inches of snow fell. The snow combined with gusty northwest winds (35-45 mph gusts) created extremely hazardous travel with sporadic near-blizzard conditions during the heaviest snowfall. Road conditions deteriorated rapidly during this event. Several accidents oc…
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down a large tree branch onto the roof of a house. The roof sustained minor damage.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several large trees in Richwoods.
Hail Hail
Large hail up to golf ball sized fell across the southern portions of Washington County. A number of cars and campers sustained hail damage.
Sleet Sleet
Up to six tenths of an inch of sleet was reported in Washington County.
Heavy Snow Heavy Snow
There were two rounds of precipitation with this system. The first round was rain changing to a mix of sleet and snow, then another round of heavy snow. Up to half an inch of sleet was reported in parts of the county during the morning hours of February 2nd. With the second round…
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down numerous trees, tree limbs and several power lines across eastern portions of Washington County. One tree was blown down at the intersection of Highways 21 and 47, just south of Old Mines. Another tree was blown down at the intersection of Highway 21 …
Flash Flood Flash Flood
Up to 4 inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded, especially around the Potosi area.
Thunderstorm Wind Thunderstorm Wind
Several large tree branches were blown down.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 11 | 4 |
| 2024 | 11 | 0 |
| 2023 | 8 | 0 |
| 2022 | 6 | 0 |
| 2021 | 7 | 0 |
| 2020 | 3 | 0 |
| 2019 | 11 | 1 |
| 2018 | 6 | 0 |
| 2017 | 9 | 0 |
| 2016 | 11 | 0 |
| 2015 | 17 | 2 |
| 2014 | 8 | 0 |
| 2013 | 8 | 0 |
| 2012 | 16 | 0 |
| 2011 | 36 | 0 |
| 2010 | 10 | 1 |
| 2009 | 17 | 0 |
| 2008 | 22 | 0 |
| 2007 | 11 | 0 |
| 2006 | 44 | 2 |
| 2005 | 19 | 0 |
| 2004 | 23 | 5 |
| 2003 | 12 | 0 |
| 2002 | 20 | 2 |
| 2001 | 15 | 0 |
| 2000 | 4 | 0 |
| 1999 | 10 | 0 |
| 1998 | 12 | 0 |
| 1997 | 11 | 0 |
| 1996 | 6 | 0 |
| 1995 | 6 | 0 |
| 1994 | 3 | 0 |
| 1993 | 3 | 1 |
| 1991 | 4 | 0 |
| 1988 | 3 | 0 |
| 1987 | 1 | 0 |
| 1985 | 2 | 0 |
| 1984 | 2 | 1 |
| 1983 | 1 | 0 |
| 1981 | 4 | 0 |
| 1980 | 1 | 0 |
| 1979 | 1 | 0 |
| 1978 | 1 | 0 |
| 1977 | 1 | 0 |
| 1976 | 2 | 0 |
| 1975 | 3 | 0 |
| 1974 | 4 | 1 |
| 1973 | 1 | 0 |
| 1972 | 1 | 0 |
| 1971 | 3 | 2 |
| 1970 | 1 | 0 |
| 1969 | 2 | 1 |
| 1967 | 2 | 1 |
| 1966 | 2 | 2 |
| 1965 | 1 | 0 |
| 1958 | 2 | 0 |
| 1957 | 4 | 2 |