Roscommon County, Michigan
County storm and disaster record · FIPS 26143 · population 23,456 · 520 sq mi
NOAA's Storm Events Database holds 268 records for Roscommon County, Michigan from 1950 through June 30, 2026, on 224 days; the most frequent are severe thunderstorm wind events (102 records). The deadliest single record is the July 13, 1995 thunderstorm wind: 2 deaths and $96.8 million in damage in 2025 dollars. FEMA has issued 7 declarations naming the county since 1976, 5 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Tornadoes, and Flooding” on June 30, 2026.
The record, 1950 to 2026
Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).
- recorded, no damage figure
- under $100,000
- $100,000 or more
- $1 million or more
- $10 million or more, or a death
- $100 million or more, or 10 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- 1955: wind and hail recorded from 1955
- 1996: all 48 event types from 1996
- Storm records
- 268on 224 days, 1950 to June 30, 2026
- Deaths recorded
- 21 injuries
- Damage, 2025 dollars
- $101Mas filed (scale steps before 1993)
- Tornadoes
- 9strongest F2
- FEMA declarations
- 7latest 2026
Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.
What hazards hit Roscommon County most?
The most frequent records are severe thunderstorm wind events: 102 since 1962. 53% of its severe thunderstorm wind events since 1962 fell in June and July. The rank column places the county among Michigan's counties by days with a record per 1,000 square miles of land over each hazard's complete period.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 102 | 82 | 1962-2022 | 2 | 1 | $98M | 35 of 83 |
| Winter storms | 75 | 75 | 1997-2026 | 0 | 0 | $133K | 42 of 83 |
| Hail | 56 | 48 | 1964-2026 | 0 | 0 | – | 20 of 83 |
| High wind and dust storms | 9 | 8 | 1998-2025 | 0 | 0 | $91K | 58 of 83 |
| Tornadoes | 9 | 9 | 1968-2021 | 0 | 0 | $1.6M | 47 of 83 |
| Extreme cold | 8 | 8 | 2007-2026 | 0 | 0 | – | 36 of 83 |
| Floods | 3 | 3 | 2005-2020 | 0 | 0 | $355K | 69 of 83 |
| Heat | 2 | 2 | 2001-2018 | 0 | 0 | – | 36 of 83 |
| Lightning | 2 | 2 | 1999-2005 | 0 | 0 | $96K | 31 of 83 |
| Fog, smoke and funnel clouds | 1 | 1 | 2011-2011 | 0 | 0 | – | 40 of 83 |
| Wildfires | 1 | 1 | 2005-2005 | 0 | 0 | – | 7 of 83 |
Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.
How many tornadoes has Roscommon County had?
NOAA records 9 tornadoes in Roscommon County from 1968 to 2021, the strongest rated F2, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.
Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 9 tornadoes whose track touched Roscommon County since 1950 (NOAA's county records number 9, the same count); along their whole tracks they killed 0 people.
Map of the strongest tornado tracks in Michigan.
Every tornado record filed for Roscommon County (9)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2021-06-09 | Roscommon Cnsrvtn Ar, Roscommon County | EF0 1.06 mi x 25 yd | 0 | 0 | $5K |
| 1995-06-28 | Roscommon County | 0 | 0 | – | |
| 1995-06-27 | Htl To, Roscommon County | F1 3 mi x 50 yd | 0 | 0 | $968K |
| 1992-06-17 | Roscommon County | F1 0.5 mi x 20 yd | 0 | 0 | $250K step |
| 1989-10-14 | Roscommon County | F0 0.3 mi x 70 yd | 0 | 0 | – |
| 1975-06-17 | Roscommon County | F0 0.1 mi x 50 yd | 0 | 0 | $3K step |
| 1974-06-10 | Roscommon County | F2 0.3 mi x 50 yd | 0 | 0 | $3K step |
| 1973-05-25 | Roscommon County | F2 | 0 | 0 | $250 step |
| 1968-08-05 | Roscommon County | F1 5.1 mi x 50 yd | 0 | 0 | $3K step |
A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.
Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.
When was the last damaging storm in Roscommon County?
The most recent record with damage, injuries or deaths is the June 9, 2021 tornado ($5,446 in damage in 2025 dollars).
Numerous trees and large limbs were snapped. Eyewitness reported seeing a counter clockwise circulation and debris.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 970388)
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-03-31 | HailHoughton Lake, Roscommon County | 1.25 in hail | 0 | 0 | – |
| 2026-03-15 | Winter StormRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2026-02-07 | Extreme Cold/Wind ChillRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2026-02-06 | Cold/Wind ChillRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2026-01-22 | Extreme Cold/Wind ChillRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2025-11-27 | Winter StormRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2025-02-08 | Winter StormRoscommon County · forecast zone Roscommon | 0 | 0 | – | |
| 2025-02-06 | High WindRoscommon County · forecast zone Roscommon | 53 kt wind | 0 | 0 | – |
| 2021-06-09 | TornadoRoscommon Cnsrvtn Ar, Roscommon County | EF0 1.06 mi x 25 yd | 0 | 0 | $5K |
| 2020-05-18 | FloodSt Helen, Roscommon County | 0 | 0 | $274K | |
| 2010-07-18 | Thunderstorm WindHoughton Lake A, Roscommon County | 57 kt wind | 0 | 1 | $27K |
| 1995-07-13 | Thunderstorm WindRoscommon County | 0 | 0 | $978K |
Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.
The deadliest and costliest records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 1995-07-13 | Thunderstorm WindRoscommon County Thunderstorm winds did widespread tree damage across all but extreme southeast Roscommon County, with well over 100,000 trees down. Most of the trees brought down were the largest and healthiest, as they had the highest tops and heaviest foliage. Widespread damage to residences, cottages, garages, vehicles was caused ... | 2 | 0 | $97M | |
| 2010-07-18 | Thunderstorm WindHoughton Lake A, Roscommon County Several trees were downed, and many others were damaged, along the northeast shore of Houghton Lake, and extending inland a bit from Prudenville. One home east of Prudenville was struck by a falling tree. A man on the porch of the home suffered minor injuries from broken glass. | 57 kt wind | 0 | 1 | $27K |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 1995-07-13 | Thunderstorm WindRoscommon County | 2 | 0 | $97M | |
| 1995-07-13 | Thunderstorm WindRoscommon County | 0 | 0 | $978K | |
| 1995-06-27 | TornadoHtl To, Roscommon County | F1 3 mi x 50 yd | 0 | 0 | $968K |
| 2020-05-18 | FloodSt Helen, Roscommon County | 0 | 0 | $274K | |
| 2010-07-18 | Thunderstorm WindHoughton Lake A, Roscommon County | 57 kt wind | 0 | 1 | $27K |
| 2021-06-09 | TornadoRoscommon Cnsrvtn Ar, Roscommon County | EF0 1.06 mi x 25 yd | 0 | 0 | $5K |
Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $250K, in the dollars of the day) holds: June 17, 1992 (tornado, Roscommon County).
Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.
Is it getting more frequent?
Records per decade for Roscommon County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 0 | 3 | 6 | 15 | 25 | 28 | 21 | 4 |
| Winter storms | – | – | – | – | 10 | 33 | 23 | 9 |
| Hail | 0 | 1 | 1 | 8 | 13 | 20 | 10 | 3 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
53% of its severe thunderstorm wind events since 1962 fell in June and July. The two busiest months are in violet.
The values, month by month
Jan 21 · Feb 28 · Mar 16 · Apr 19 · May 20 · Jun 48 · Jul 42 · Aug 32 · Sep 5 · Oct 11 · Nov 10 · Dec 16 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Roscommon County
FEMA's register lists 7 declarations that include Roscommon County: 3 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for biological (2) and flood (1).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2026-06-30 | DR-4925 | Flood | Severe Storms, Tornadoes, and Flooding |
| 2020-03-27 | DR-4494 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3455 | Biological | Covid-19 |
| 2005-09-07 | EM-3225 | Hurricane | Hurricane Katrina Evacuation |
| 1978-01-27 | EM-3057 | Snowstorm | Blizzards & Snowstorms |
| 1977-03-02 | EM-3035 | Drought | Drought |
| 1976-03-19 | DR-495 | Severe Storm | Severe Storms, Tornadoes, Icing & Flooding |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.
How many floods has Roscommon County had?
NOAA's Storm Events Database holds 3 flood or flash flood records for Roscommon County from 2005 to 2020, on 3 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Roscommon County ranks 2685th of 2,942 U.S. counties.
The National Flood Insurance Program has paid $93,000 on 3 claims filed in Roscommon County; the most in one year was 2 in 2026. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
2019: 1 · 2026: 2; the other years: 0.
Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.
FEMA's modeled risk for Roscommon County
FEMA's National Risk Index rates Roscommon County Relatively Low overall, with an expected annual loss of $13.4 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Winter Weather | Relatively High | $231K | 18 a year (modeled) |
| Lightning | Relatively Moderate | $375K | 27 a year (modeled) |
| Strong Wind | Relatively Moderate | $452K | 1.7 a year (modeled) |
| Riverine Flooding | Relatively Low | $9.9M | once in about 9 years (modeled) |
| Wildfire | Relatively Low | $120K | once in about 1,501 years (modeled) |
| Hail | Relatively Low | $313K | 1.6 a year (modeled) |
| Cold Wave | Relatively Low | $1.1M | 2.1 a year (modeled) |
| Tornado | Relatively Low | $782K | once in about 8 years (modeled) |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Roscommon County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in MichiganEvery Michigan tornado since 1950 and the counties with the most per square mile
- Severe thunderstorm wind in MichiganThe state's severe thunderstorm wind events, by county, year and month
- The Michigan recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Roscommon CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Roscommon County's FEMA declarations (CSV)7 rows: every declaration that named the county, for your own analysis