Knox County, Missouri
Tornadoes, hail, floods and severe storms recorded here between 1962 and 2025, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
9
Tornado reports
62
Hail reports
29
Floods since 1996
282
All events
0
Deaths
$994K
Property damage
Tornado paths in Knox County
The part of each tornado’s path NOAA recorded in this county, 9 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.
Winter Storm Winter Storm
A total of 7 to 9 inches of snow fell primarily during the morning hours. The snowfall rate reached 1 inch per hour at times.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed power lines in Edina. Knox County Dispatch also reported one tree down in the town of Baring.
High Wind High Wind
Northwest winds gusted near 60 mph.
Cold/Wind Chill Cold/Wind Chill
Wind chill values reached as low as 26 below zero on the morning of the 21st.
Winter Storm Winter Storm
The storm began early in the morning on the 5th with snow falling through the day. Snow in the evening was accompanied by wind gusts as high as 35 mph leading to areas of blowing snow. A total of 4 to 6 inches of snow fell across the county.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
A tree was reported down south of Edina.
Hail Hail
A trained spotter near Highway 11 and Arctic Ave stated a few hailstones were quarter sized but most were smaller.
Cold/Wind Chill Cold/Wind Chill
Wind chill values dropped to as low as 26 below zero.
Cold/Wind Chill Cold/Wind Chill
Wind chill values dropped to as low as 40 below zero with the coldest values during the nighttime hours.
Winter Storm Winter Storm
A total of 8 to 10 inches of heavy, wet snow fell across the county.
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 115 as observed at numerous reporting sites in the region.
The tornado began on the southeast side of town just southeast of the Highway K and Dairy Avenue intersection. The tornado quickly strengthened as it moved northwest producing EF2 damage southwest of the intersection. A farm outbuilding was completely destroyed, several grain bin…
Excessive Heat Excessive Heat
Excessive heat across the county with highs in the mid to upper 90s each day. Heat index values as high as 110 both days.
Hail Hail
Winter Storm Winter Storm
Between 1 and 2 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.
Heavy Snow Heavy Snow
Up to 6 inches of snow fell in the far southern parts of Knox County. A majority of the county had between 3 and 4 inches of snow with this event.
Heavy Snow Heavy Snow
Heavy snow fell across the county with up to 8 inches reported in portions of Knox County.
Heavy Snow Heavy Snow
Heavy snow fell across Knox County on New Year's Day. The co-op observer in Edina reported a storm total of 6.8 inches of snow.
Winter Storm Winter Storm
Widespread freezing rain moved into Knox County after 430 am and persisted through 730 am, then a bit of a break before light snow developed and moved in around 2 pm. Overall between a quarter to half of an inch of ice accumulation.
Hail Hail
Hail Hail
Flash Flood Flash Flood
Up to four inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded in the northwestern portions of Knox County including Highway 15 between Greensburg and Baring.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down numerous large tree limbs countywide and caused roof damage to a couple of buildings on Route V near Colony.
Flash Flood Flash Flood
Up to four inches of rain fell in a short amount of time causing flash flooding. Numerous roads were flooded in Knox County including Highways 11, 15, 151 and 156, as well as Highway A between Hurdland and Novelty.
Thunderstorm Wind Thunderstorm Wind
Several large tree limbs were blown down around town.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several large tree limbs onto Highway B southwest of Novelty.
Ice Storm Ice Storm
Up to a quarter of an inch of ice was reported over Knox County with some power lines and tree limbs knocked down due to the wait of the ice. Also, most of the roads were ice covered and hazardous.
Heavy Snow Heavy Snow
Several rounds of heavy snow fell across Knox County beginning during the late afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in Edina reported approximately 10 inches of snowfall.
Blizzard Blizzard
Up to 6 inches of snow fell across Knox County with winds gusting up to 45 mph at times. This caused reduced visibilities of less than a quarter of a mile at times and hazardous driving conditions.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down several trees around town.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down a large tree branch onto Highway 15 about a mile north of Edina.
Excessive Heat Excessive Heat
Thunderstorm Wind Thunderstorm Wind
Heat Heat
Tornado EF0 Tornado
A tornado touched down in extreme northern Knox County causing minor tree damage before crossing into Scotland County (WFO Davenport's forecast area). In Knox County, the tornado was rated EF-0 with a path length of approximately 158 feet with a max path width of 40 yards. Overal…
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew a carport off of its foundation just northwest of Edina off of Highway P. Several power lines and tree limbs were blown down in the area.
Excessive Heat Excessive Heat
Excessive Heat Excessive Heat
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds blew down numerous large tree limbs as well as a few trees, especially in Edina and just northeast of Colony.
Excessive Heat Excessive Heat
Thunderstorm Wind Thunderstorm Wind
Flash Flood Flash Flood
Up to 3 inches of rain fell in a short amount of time onto already saturated soils causing flash flooding. Several roads were flooded including Highway 15 in Edina.
Flash Flood Flash Flood
Up to 5 inches of rain fell onto already saturated soils causing flash flooding. Numerous roads were flooded including Highway 15 just north of Edina. The heavy rains caused the South Fabius River to rise rapidly. There was a levee breach on the South Fork of the South Fabius Riv…
Flash Flood Flash Flood
Up to seven inches of rain fell causing flash flooding. Numerous roads were flooded including roads in Hurdland and Edina. Also, Route V north of Knox City, Highway K near Colony, Highway 151 at Highway 156, and Highway 11 west of Baring were flooded.
Excessive Heat Excessive Heat
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 5 | 0 |
| 2024 | 7 | 0 |
| 2023 | 4 | 1 |
| 2022 | 4 | 0 |
| 2021 | 1 | 0 |
| 2019 | 9 | 0 |
| 2018 | 3 | 0 |
| 2017 | 2 | 0 |
| 2016 | 5 | 1 |
| 2015 | 8 | 0 |
| 2014 | 8 | 0 |
| 2013 | 5 | 0 |
| 2012 | 7 | 0 |
| 2011 | 21 | 0 |
| 2010 | 14 | 0 |
| 2009 | 11 | 2 |
| 2008 | 17 | 0 |
| 2007 | 11 | 0 |
| 2006 | 6 | 0 |
| 2005 | 10 | 0 |
| 2004 | 10 | 0 |
| 2003 | 15 | 1 |
| 2002 | 11 | 0 |
| 2001 | 15 | 0 |
| 2000 | 8 | 0 |
| 1999 | 8 | 1 |
| 1998 | 8 | 0 |
| 1997 | 9 | 0 |
| 1996 | 2 | 0 |
| 1995 | 1 | 0 |
| 1994 | 1 | 0 |
| 1993 | 3 | 0 |
| 1992 | 3 | 0 |
| 1991 | 1 | 0 |
| 1989 | 2 | 0 |
| 1988 | 2 | 0 |
| 1987 | 2 | 0 |
| 1986 | 2 | 0 |
| 1984 | 1 | 0 |
| 1982 | 3 | 0 |
| 1981 | 1 | 0 |
| 1980 | 2 | 0 |
| 1979 | 2 | 0 |
| 1977 | 1 | 0 |
| 1976 | 2 | 0 |
| 1975 | 2 | 1 |
| 1974 | 3 | 0 |
| 1973 | 1 | 0 |
| 1970 | 1 | 1 |
| 1967 | 1 | 1 |
| 1962 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Knox County, measured to its path.
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