From the record
3 National Register listings published here.
Sources: the National Register database, National Park Service
16 topographic sheets cover 7 settlements here, and 3 properties are on the National Register of Historic Places.
3 National Register listings published here.
Sources: the National Register database, National Park Service
Every property in this county listed on the National Register of Historic Places, with the year it was listed and the federal nomination document.
| Photograph | Property | Type | Listed | Reference |
|---|---|---|---|---|
![]() | Mahnomen City Hall | building | 1988 | 88003011 |
![]() | Mahnomen County Courthouse | building | 1984 | 84001488 |
| Mahnomen County Fairgrounds Historic District | district | 1989 | 89000077 |
Every wildfire the federal occurrence database records inside this county: 1,553 of them, burning about 24,995 acres. 5 started naturally and 916 were recorded as arson. Each settlement page carries the fires within five miles of it.
| Reported cause | Fires |
|---|---|
| Arson/incendiarism | 916 |
| Debris and open burning | 369 |
| Misuse of fire by a minor | 125 |
| Missing data/not specified/undetermined | 79 |
| Recreation and ceremony | 18 |
| Equipment and vehicle use | 17 |
| Fireworks | 15 |
| Natural | 5 |
| Smoking | 3 |
| Other causes | 2 |
| Power generation/transmission/distribution | 2 |
| Firearms and explosives use | 1 |
| Railroad operations and maintenance | 1 |
The five largest, by the area the report gives. Three of them were set deliberately.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 6 May 2005 | Debris and open burning | 1,800 acres | Detroit Lakes Wetland Management District | WAUMBACH |
| 13 April 2003 | Arson/incendiarism | 1,400 acres | Minnesota Agency | GREERLAKE0 |
| 26 April 2011 | Arson/incendiarism | 1,000 acres | Detroit Lakes Wetland Management District | WAUBUN WMA |
| 17 November 2006 | Missing data/not specified/undetermined | 950 acres | Detroit Lakes Wetland Management District | DOWNING |
| 28 November 2011 | Debris and open burning | 900 acres | Minnesota Department of Natural Resources | CHURCH LAKE |
| 31 March 2010 | Missing data/not specified/undetermined | 800 acres | Detroit Lakes Wetland Management District | BEJOU WMA |
| 27 April 2010 | Missing data/not specified/undetermined | 800 acres | Detroit Lakes Wetland Management District | WAUMBACH WMA |
| 20 May 2010 | Arson/incendiarism | 704 acres | Minnesota Department of Natural Resources | not named |
Every settlement page carries the fires within five miles of it - see the settlement index below.
The NOAA Storm Events Database holds 217 reports for this county, causing no deaths, no injuries and about $2,389,730 in recorded property damage. Each settlement page carries the reports that name it.
| Kind of event | Reports |
|---|---|
| Hail | 102 |
| Thunderstorm Wind | 71 |
| Tornado | 24 |
| Flash Flood | 10 |
| Flood | 6 |
| Funnel Cloud | 3 |
| Lightning | 1 |
The most serious of them, by death, then injury, then recorded damage. The accounts are quoted exactly as the forecast office filed them.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| July 2013 | Tornado (EF2) | Mahnomen | $1,000,000 | This tornado continued into Clearwater County, where it lifted at about 0130 am CST, west-northwest of Zerkel. The tornado damaged structures at three locations along the route with long tracks of tree and crop damage evident. Peak winds were estimated at 115 mph. |
| July 2008 | Tornado (EF2) | Beaulieu | $500,000 | This tornado tracked to the north-northeast for about 16 miles and lifted about 3 miles south-southwest of Lengby, or near Sugar Bowl Lake. Numerous trees and power poles were snapped along the path. Farm sheds were blown down and hay wagons flipped. The damage path was around 250 yards wide where it crossed county road 122 about 2 miles east of Beaulieu. Peak winds were estimated at 115 mph. |
| August 2007 | Lightning | Bejou | $500,000 | Lightning struck the bell tower of a church in Bejou, igniting a fire in the tower. The fire spread throughout the building, causing a total loss. The building had been recently renovated. |
| May 1996 | Thunderstorm Wind | Mahnomen | $100,000 | no account filed |
| June 2023 | Tornado (EF2) | Waubun | $56,000 | 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 collapsed, crop damage, Quonset caved in on one side, roofing blown off homes, broken power line poles, and lifting fuel tankers full of 250 gallons of fuel and throwing them at a barn. Damage dollar amounts are estimated. |
| June 2002 | Thunderstorm Wind | Mahnomen | $50,000 | One airplane hanger was destroyed as well as the airplane inside. Another hanger was severely damaged. |
| July 1998 | Tornado (F0) | Mahnomen | $30,000 | A retired farmer was looking out his back door and saw a swirling cloud come down. He headed for the basement and was not hurt. His home lost power and his house and outbuildings were damaged. Witnesses said the tornado was a high-based rope tornado. |
| May 1996 | Thunderstorm Wind | Fosston | $25,000 | no account filed |
| June 1975 | Tornado (F0) | not stated | $25,000 | no account filed |
| July 1972 | Tornado (F0) | not stated | $25,000 | no account filed |
| June 1966 | Tornado (F1) | not stated | $25,000 | no account filed |
| June 2002 | Thunderstorm Wind | Mahnomen | $10,000 | Windows were broken and a shed door was torn off. |
| August 2020 | Flood | Bejou | $5,000 | Runoff from heavy rain entered a home. |
| May 2010 | Flash Flood | Waubun | $5,000 | Several sections of township roads were washed out due to heavy rains and rapid runoff along the Mahnomen and Becker county line. |
| July 2008 | Tornado (EF0) | Waubun | $5,000 | This tornado was observed moving across highway 59 and lifting about 4 miles north-northeast of Waubun. The tornado appeared to pass just south of the Mahnomen County airport. |
| August 2002 | Tornado (F0) | Bejou | $5,000 | A brief touchdown pulled up tin on a barn roof. |
| April 2013 | Flood | Bejou | $5,000 | no account filed |
| March 2009 | Flood | Bejou | $5,000 | no account filed |
| April 2009 | Flood | Bejou | $5,000 | no account filed |
| August 2001 | Thunderstorm Wind | Mahnomen | $2,000 | Large trees were blown down. |
| May 1998 | Thunderstorm Wind | Mahnomen | $2,000 | A machine shed was blown down in the wind. |
| June 2002 | Thunderstorm Wind | Bejou | $1,000 | Trees were blown down. |
| August 2001 | Thunderstorm Wind | Waubun | $1,000 | Trees were blown down. |
| August 2001 | Thunderstorm Wind | Mahnomen | $1,000 | Trees and powerlines were blown down. |
| August 2016 | Hail | Waubun | $500 | Large hail and very strong winds caused considerable crop damage across western Popple Grove Township. |
| July 2001 | Thunderstorm Wind | Mahnomen | $500 | Tree branches were blown down. |
| July 1999 | Thunderstorm Wind | Mahnomen | $500 | Large tree limbs were blown down. |
| August 2002 | Thunderstorm Wind | Bejou | $200 | Branches were blown down. |
| July 1981 | Tornado (F0) | not stated | $30 | no account filed |
| August 2025 | Hail | Naytahwaush | - | Quarter size hail reported. Report relayed on social media. |
| August 2025 | Thunderstorm Wind | Mahnomen | - | Wind gust measured by MN dot station MN044. |
| August 2025 | Thunderstorm Wind | Waubun | - | Report of numerous trees branches down. |
| June 2025 | Thunderstorm Wind | Mahkonce | - | Estimated 70 mph winds by trained storm spotter 5 S Lengby, small tree branches down. |
| June 2025 | Thunderstorm Wind | Mahkonce | - | Estimated 70 mph winds by trained storm spotter 5 S Lengby, small tree branches down. |
| June 2023 | Hail | Mahnomen | - | Valley News Broadcaster reports quarter-sized hail in Mahnomen. |
| June 2023 | Tornado (EFU) | Waubun | - | 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. |
| June 2023 | Tornado (EFU) | Waubun | - | 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. |
| September 2023 | Hail | Naytahwaush | - | Quarter-sized hail at the intersection of Highway 35 and 113 14 miles NE of White Earth. |
| June 2022 | Thunderstorm Wind | Mahnomen | - | Peak wind was measured at the Minnesota DOT RWIS on Hwy 59. |
| June 2022 | Tornado (EF1) | Naytahwaush | - | 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 roughly 40 percent of the roof decking off of one house and shingles and roofing materials off of other buildings along its path. Peak winds were estimated to 105 mph, with a maximum width of 400 yards. |
| August 2022 | Hail | Waubun | - | Brief quarter-sized hail, with strong winds. |
| August 2022 | Thunderstorm Wind | Beaulieu | - | A number of 4 to 6-inch branches broken down. The wind gusted for about 5 minutes. |
| May 2022 | Hail | Mahnomen | - | Received a report of dime to nickel sized hail. |
| August 2020 | Thunderstorm Wind | Bejou | - | A few trees were snapped in a shelterbelt. |
| July 2020 | Thunderstorm Wind | Mahkonce | - | Several large tree branches were blown down around Island Lake. |
| October 2020 | Thunderstorm Wind | Mahnomen | - | Mahnomen Airport (K3N8) AWOS reported 51 knot or 58.7 mph wind gust. |
| October 2020 | Thunderstorm Wind | Beaulieu | - | Several large 4 to 6 inch diameter tree branches were broken down as a thunderstorm squall moved through town. |
| June 2020 | Thunderstorm Wind | Mahkonce | - | A few large tree branches were blown down near the Island Lake boat dock. |
| May 2019 | Tornado (EF0) | Waubun | - | This tornado began in Norman County at 1822 CST. This was the first of twin tornadoes which were viewed and photographed from residents near Flom and Waubun. This tornado only tracked for a short distance in Norman County, before it continued into Mahnomen County. The tornado broke large tree branches in several shelterbelts along its path and appears to have caused a peak wind of 73 mph at both the Mahnomen airport and nearby MNDOT RWIS mesonet sensors as it dissipated. Peak winds were estimated at 80 mph. |
| May 2019 | Tornado (EF1) | Waubun | - | This was the second of twin tornadoes in southwest Mahnomen County. This tornado touched down after the first one and tracked nearly due east. The tornado snapped a large spruce tree and several poplar trees at one farmstead. Peak winds were estimated at 95 mph. |
| May 2019 | Thunderstorm Wind | Mahnomen | - | The Mahnomen AWOS reported the wind gust, associated with a passing thunderstorm. A nearby MNDOT RWIS mesonet sensor also registered a peak wind of 73 mph. |
| June 2019 | Thunderstorm Wind | Mahnomen | - | A gustnado developed on two convergent thunderstorm outflow boundaries and slowly moved across a field. A persistent rotating dust plume was evident. |
| May 2019 | Thunderstorm Wind | Waubun | - | Several large tree branches were blown down, partially blocking highway 59. Steel signs were also blown over. Peak winds were estimated at 90 mph. |
| August 2019 | Hail | Beaulieu | - | Most of the hail was quarter size. |
| August 2018 | Hail | Naytahwaush | - | The hail fell at the Tulaby Lake boat ramp. |
| August 2018 | Thunderstorm Wind | Bejou | - | Many 6 to 8 inch diameter tree branches were blown down. |
| June 2017 | Thunderstorm Wind | Naytahwaush | - | Numerous large tree branches were blown down along county road 4 near South Twin Lake. |
| June 2017 | Thunderstorm Wind | Mahnomen | - | A couple of trees were split and broken down across power lines, resulting in local power outages. |
| June 2017 | Hail | Naytahwaush | - | The hail fell at the Elk Horn Resort on South Twin Lake. |
| June 2017 | Hail | Mahkonce | - | Dime to quarter sized hail fell along with very heavy rain. |
The Survey's mineral resources record lists 2 workings inside this county. 1 still produces and 1 is closed or unrecorded. Each settlement page carries the workings within five miles of it.
| Commodity | Workings |
|---|---|
| Sand and Gravel, Construction | 2 |
The least common of them first, because a county's hundredth gravel pit says nothing its first ten did not.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Mahnomen Pit | Sand and Gravel, Construction | Unknown | ||
| Snider Lake Pit and Mill | Sand and Gravel, Construction | Producer |
Named settlements recorded in the Geographic Names Information System, each with the topographic sheets covering it. Villages, hamlets and abandoned places alike. Each is shown with the nearest named watercourse or landform and the survey quadrangle it falls on.
Twin Lakes township · 56566 · On Badboy Creek · North Twin Lake quadrangle
10 sheets, 1954 to 1985