Mahnomen storm history
Storm events recorded in Mahnomen, Minnesota between 1950 and 2025.
445
Total events
24
Tornadoes
102
Hail
18
Floods
0
Deaths
$2.4M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Heavy Snow Heavy Snow
Measured snow of 8.0 inches at Bejou, MN relayed by broadcast media. There was one other public report in Mahnomen County of 6 inches, while nearby reports in surrounding counties ranged from 6 to 10 inches.
Hail Hail
Quarter size hail reported. Report relayed on social media.
Thunderstorm Wind Thunderstorm Wind
Wind gust measured by MN dot station MN044.
Thunderstorm Wind Thunderstorm Wind
Report of numerous trees branches down.
Thunderstorm Wind Thunderstorm Wind
Estimated 70 mph winds by trained storm spotter 5 S Lengby, small tree branches down.
Thunderstorm Wind Thunderstorm Wind
Estimated 70 mph winds by trained storm spotter 5 S Lengby, small tree branches down.
Heavy Snow Heavy Snow
Wauban 1E measured 6.5 inches of snow.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station MN044 Mahnomen MN DOT reported a wind chill of minus 40.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station MN044 Mahnomen MN DOT reported a wind chill of minus 47.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet reported a wind chill of negative 43 degrees.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind and cold air temperatures combined to create excessive cold conditions with apparent temperature as cold as -54F on the morning of the 20th at the DOT sensor near Mahnomen.
Winter Weather Winter Weather
Snow Squall. RWIS Sensor 3 mi SSE Mahnomen went from 30G34 1/2SM -SN at 1520Z to 28G39 1/8SM +SN at 1530Z with corresponding radar signature at time.
Drought Drought
Mahnomen county was in D2 Drought for the first half of November.
Drought Drought
Mahnomen county experienced drought for 3 weeks in October. Ongoing at the end of the month.
Hail Hail
Quarter-sized hail at the intersection of Highway 35 and 113 14 miles NE of White Earth.
Drought Drought
Mahnomen county experienced D2 drought from September 12th through September 26th.
Tornado EFU Tornado
Spotter called with reports of a tornado with intermittent touchdown near Waubun, MN. It occurred in open fields, which mitigated any damage. Therefore, the rating of EF-U has been assigned with an estimated path width and length.
Tornado EF2 Tornado
This tornado touched down south of Mahnomen at 4:15 PM. The highest damage it caused was rated as an EF-2. Among the damage it caused as it continued across its 6 mile path was trees snapped and uprooted (both hard and soft wood), metal garage slid off its foundation and collapse…
Tornado EFU Tornado
Brief spin up was reported in an open field which mitigated any damage. Therefore, the rating of EF-U has been assigned with estimated path width and length.
Hail Hail
Valley News Broadcaster reports quarter-sized hail in Mahnomen.
Heavy Snow Heavy Snow
Public reports 9 inches of storm total snow in Naytahwaush at 621 AM. The snow had been falling since the previous day (February 28th).
Blizzard Blizzard
Mahnomen AWOS reports reduced visibilities, and frequent gusts over 35 MPH in the overnight hours of the 14th into the 15th. Based on surrounding observations, can interpolate BZ conditions at this location.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mahnomen RWIS reported wind chills below -40F for multiple hours, with the lowest of those being -47F.
Winter Weather Winter Weather
Public reports 4 inches of snow near Naytahwaush. Relayed via Facebook.
Hail Hail
Brief quarter-sized hail, with strong winds.
Thunderstorm Wind Thunderstorm Wind
A number of 4 to 6-inch branches broken down. The wind gusted for about 5 minutes.
Thunderstorm Wind Thunderstorm Wind
Peak wind was measured at the Minnesota DOT RWIS on Hwy 59.
Tornado EF1 Tornado
This tornado was likely wrapped in downburst winds and heavy rain as is tracked east northeastward across North Twin Lake and the community of Naytahwaush, ending around 1 ene of town by 923 pm CDT. The tornado snapped or uprooted numerous pine, poplar, and oak trees. It tore rou…
Hail Hail
Hail Hail
Hail Hail
Received a report of dime to nickel sized hail.
High Wind High Wind
Several reports of tree branches down across the area.
Heavy Snow Heavy Snow
Received a public report of 8.0 inches of snow as of 0845 near White Earth.
Blizzard Blizzard
Blizzard conditions prevailed through the late morning and into much of the afternoon, with visibility down to 1/4 mile and winds frequently gusting over 35 mph.
Blizzard Blizzard
Visibility well below 0.25 mile with winds sustained at or above 35 mph. Numerous highways were shut down in MN.
Cold/Wind Chill Cold/Wind Chill
Temperatures fell into the teens below zero across the area, with winds of 15 to 25 mph; wind chills were as low as 40 below zero.
Cold/Wind Chill Cold/Wind Chill
Temperatures fell as low as 20 below zero, with winds ranging from 10 to 20 mph.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill values fell into the range of 30 below zero to 50 below zero across much of the area.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Overnight low temperatures dropped from minus 15 to minus 25 F, with winds of 10 to 20 mph producing wind chills from minus 35 to minus 55 F.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Overnight low temperatures dropped from minus 15 to minus 25 F, with winds of 10 to 20 mph producing wind chills from minus 35 to minus 50 F.
Blizzard Blizzard
Winds gusting from 40 to 58 mph produced widespread ground blizzard condition over open country. Fresh and very blowable snow helped to sustain visibilities below 1/4 mile for several hours, with whiteout conditions at times.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Temperatures plummeted well below zero, ranging from minus 25 to minus 35 degrees Fahrenheit, with wind chills of from minus 35 to minus 50F, throughout the overnight hours of the 5th through the morning of the 6th, and again from the late afternoon of the 6th through the morning…
Cold/Wind Chill Cold/Wind Chill
Wind chill values fell as low as -40 degrees during the evening and into the overnight hours as reported by NDAWN Mesonet.
Cold/Wind Chill Cold/Wind Chill
Wind chills fell to -41 degrees at nearby NDAWN Mesonet sites.
Heavy Snow Heavy Snow
From 6 to 10 inches of snowfall occurred across the county.
Heavy Snow Heavy Snow
From 6 to 11 inches of snowfall occurred across the county, mainly through the late evening and early morning hours.
Heavy Snow Heavy Snow
Most locations received a mix of from 0.10 to 0.20 inches of sleet or freezing rain, from 3 to 5 inches of snow, and winds sustained at 25 to 35 mph with gusts of 40 to 50 mph.
Heavy Snow Heavy Snow
Much of the county received from 5 to 10 inches of snow, from the late morning through early afternoon of the 5th.
Hail Hail
Frost/Freeze Frost/Freeze
Temperatures fell into the upper 20s to low 30s on the morning of May 28th. Various personal weather stations measured from 28F to 31F.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 11 | 0 |
| 2024 | 3 | 0 |
| 2023 | 9 | 3 |
| 2022 | 19 | 1 |
| 2021 | 10 | 0 |
| 2020 | 13 | 0 |
| 2019 | 25 | 2 |
| 2018 | 13 | 0 |
| 2017 | 15 | 0 |
| 2016 | 11 | 0 |
| 2015 | 18 | 1 |
| 2014 | 15 | 0 |
| 2013 | 14 | 1 |
| 2012 | 12 | 0 |
| 2011 | 7 | 0 |
| 2010 | 14 | 1 |
| 2009 | 12 | 0 |
| 2008 | 25 | 3 |
| 2007 | 20 | 0 |
| 2006 | 19 | 0 |
| 2005 | 11 | 0 |
| 2004 | 18 | 0 |
| 2003 | 5 | 0 |
| 2002 | 25 | 2 |
| 2001 | 15 | 0 |
| 2000 | 14 | 0 |
| 1999 | 10 | 1 |
| 1998 | 12 | 3 |
| 1997 | 15 | 0 |
| 1996 | 13 | 0 |
| 1994 | 1 | 0 |
| 1992 | 2 | 0 |
| 1987 | 1 | 0 |
| 1985 | 2 | 0 |
| 1982 | 2 | 0 |
| 1981 | 1 | 1 |
| 1978 | 2 | 1 |
| 1975 | 1 | 1 |
| 1973 | 1 | 0 |
| 1972 | 1 | 1 |
| 1971 | 2 | 0 |
| 1969 | 1 | 1 |
| 1967 | 1 | 0 |
| 1966 | 1 | 1 |
| 1962 | 1 | 0 |
| 1958 | 2 | 0 |