Morton storm history
Storm events recorded in Morton, North Dakota between 1950 and 2025.
1,018
Total events
54
Tornadoes
420
Hail
22
Floods
4
Deaths
$166.8M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F3 Tornado
Tornado F3 Tornado
One man killed while attempting to land small plane at the Mandan airport. Extensive damage occurred to building roofs and large trees were damage or destroyed. Widespread electrical outage.
This Quasi-Linear Convective System (QLCS) tornado occurred to the north-northwest of Sweet Briar Lake. Three farmsteads were impacted. The first farmstead had minimal damage. The second farmstead had two large pole barns lose their roofs, with some collapsed walls. A half-full s…
See the event episode narrative for details.
A large fertilizer building north of New Salem sustained heavy damage from extreme straight line winds associated with a severe thunderstorm. Visual inspection of the damage conducted during a storm survey indicates estimated winds of 95 mph. Much of the damage was to the roof of…
Six to ten inches of heavy wet snow and sleet fell across Morton County. The combination of strong winds and the wet snow resulted in widespread damages to electrical utilities, causing massive power outages across the county. In some areas it took anywhere from several days to s…
Wind gusts up to near 50 mph combined with falling snow and existing loose snow cover to create widespread blizzard conditions across Morton County. The strong winds and blizzard conditions resulted in additional downed power lines and delayed the repair of existing downed power …
Thunderstorms with heavy rainfall continuously redeveloped across far eastern Morton County for several hours during the evening of the 15th. Public reports of three to four inches of rainfall were received in the city of Mandan along with street flooding. Some homes had water in…
New Salem got 16 inches of snow, Hebron got 20 inches of snow
High Wind High Wind
Glen Ullin AWOS reported wind gusts to 67 mph.
High Wind High Wind
Mandan AWOS reported sustained winds of 41 mph.
Flash Flood Flash Flood
Approximately two to three inches of rain fell in a short period of time, leading to flash flooding. Many rural roads over far eastern Morton County had water flowing over.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Wind speeds were estimated by Fire Department Personnel.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were estimated by the public.
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Tornado EFU Tornado
The tornado touched down in an open field north-northeast of Crown Butte Lake and impacted no structures. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).
Tornado EFU Tornado
The tornado touched down in an open field north of New Salem and impacted no structures. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
An empty 1200 gallon plastic water tank approximately 5 feet high blew three-quarters of a mile away.
Thunderstorm Wind Thunderstorm Wind
A cottonwood tree was blown down.
Thunderstorm Wind Thunderstorm Wind
Trees were broken down along Highway 10.
Thunderstorm Wind Thunderstorm Wind
Multiple power lines were blown down.
Thunderstorm Wind Thunderstorm Wind
A large tree snapped towards the base, and another tree fell onto a house.
Thunderstorm Wind Thunderstorm Wind
Approximately one mile of power lines were blown down.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
High Wind High Wind
New Salem NDDOT site reported wind gusts to 60 mph.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Minimum wind chill values dropped to between 45 below to around 60 below over most locations.
Heavy Snow Heavy Snow
Morton County received an estimated six inches of snow.
Cold/Wind Chill Cold/Wind Chill
Wind chill values dropped as low as 60 below.
High Wind High Wind
Mandan AWOS reported wind gusts to 60 mph.
Thunderstorm Wind Thunderstorm Wind
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 34 | 3 |
| 2024 | 15 | 0 |
| 2023 | 30 | 0 |
| 2022 | 28 | 0 |
| 2021 | 34 | 0 |
| 2020 | 20 | 1 |
| 2019 | 28 | 0 |
| 2018 | 35 | 3 |
| 2017 | 14 | 0 |
| 2016 | 48 | 1 |
| 2015 | 29 | 0 |
| 2014 | 23 | 0 |
| 2013 | 40 | 2 |
| 2012 | 10 | 0 |
| 2011 | 79 | 6 |
| 2010 | 71 | 2 |
| 2009 | 25 | 0 |
| 2008 | 43 | 4 |
| 2007 | 32 | 2 |
| 2006 | 27 | 1 |
| 2005 | 29 | 0 |
| 2004 | 15 | 1 |
| 2003 | 3 | 0 |
| 2002 | 23 | 0 |
| 2001 | 23 | 0 |
| 2000 | 16 | 2 |
| 1999 | 25 | 1 |
| 1998 | 13 | 1 |
| 1997 | 11 | 0 |
| 1996 | 23 | 4 |
| 1995 | 18 | 1 |
| 1994 | 7 | 0 |
| 1993 | 1 | 0 |
| 1992 | 1 | 0 |
| 1991 | 9 | 0 |
| 1990 | 4 | 0 |
| 1989 | 11 | 0 |
| 1988 | 3 | 0 |
| 1987 | 1 | 0 |
| 1986 | 13 | 3 |
| 1985 | 6 | 0 |
| 1984 | 1 | 0 |
| 1983 | 15 | 0 |
| 1982 | 7 | 1 |
| 1981 | 9 | 3 |
| 1980 | 12 | 0 |
| 1979 | 3 | 2 |
| 1978 | 7 | 1 |
| 1977 | 7 | 1 |
| 1976 | 4 | 3 |
| 1975 | 2 | 0 |
| 1974 | 3 | 1 |
| 1973 | 3 | 0 |
| 1971 | 1 | 1 |
| 1970 | 1 | 0 |
| 1969 | 3 | 1 |
| 1968 | 1 | 0 |
| 1967 | 1 | 0 |
| 1965 | 3 | 0 |
| 1963 | 4 | 0 |
| 1962 | 2 | 0 |
| 1960 | 1 | 0 |
| 1959 | 1 | 0 |
| 1957 | 2 | 0 |
| 1955 | 4 | 1 |
| 1953 | 1 | 1 |