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Allegan County, Michigan severe weather history spans 365 recorded events between 1954 and 2026. The dominant hazard is thunderstorm wind, accounting for 64.1% of all recorded events. It ranks #1,408 nationally and #17 in Michigan.
365
Recorded events
4
Direct deaths
45
Direct injuries
$29.4M
Property damage
The record
What the Allegan County, Michigan severe weather history record shows
Across the archive, Allegan County, Michigan severe weather history averages 5.1 recorded events a year. The busiest stretch on record is the 2000s, with 111 events logged in that decade alone. Roughly 85 events fall before 1990 and 280 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Allegan County, Michigan record is tornado, responsible for 2 direct deaths. The costliest is tornado, with $9.6M in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Allegan County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 234 | 0 | $3.6M | 71 | 1955–2026 |
| Hail | 77 | 0 | $2.7M | 4 | 1955–2023 |
| Tornado | 37 | 2 | $9.6M | F5 | 1954–2026 |
| Flash Flood | 14 | 2 | $8.5M | 0 | 1996–2010 |
| Flood | 2 | 0 | $5.0M | 0 | 2011–2013 |
| Lightning | 1 | 0 | $5K | 0 | 2014–2014 |
Decade by decade
Allegan County, Michigan severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
35 mapped tornado paths intersect this county: 30 touched down inside it and 5 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1956-04-03 | EF5 | 17 | 292 | 58.8 mi | Touched down here |
| 1956-04-03 | EF3 | 0 | 12 | 60.6 mi | Crossed in |
| 1983-07-21 | EF2 | 1 | 1 | 13.6 mi | Touched down here |
| 2009-06-19 | EF2 | 0 | 0 | 5.9 mi | Touched down here |
| 1989-05-30 | EF2 | 0 | 0 | 10.2 mi | Crossed in |
| 1974-06-20 | EF2 | 0 | 0 | 5.7 mi | Touched down here |
| 1967-10-24 | EF2 | 0 | 4 | 0.1 mi | Touched down here |
| 1967-04-21 | EF2 | 0 | 4 | 18.6 mi | Touched down here |
| 1954-05-31 | EF2 | 0 | 0 | 0.3 mi | Touched down here |
| 1965-04-11 | EF1 | 1 | 9 | 19.5 mi | Touched down here |
Significant events
Deadliest events on record in Allegan County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 8, 2008 | Flash Flood | CASTLE PARK | 2 | 0 | $2.0M |
| Apr 12, 1965 | Tornado | 1 | 9 | $250K | |
| Jul 22, 1983 | Tornado | 1 | 1 | $250K | |
| Apr 3, 1956 | Tornado | 0 | 10 | $25K | |
| Jun 20, 1997 | Flash Flood | COUNTY-WIDE | 0 | 4 | $2.0M |
| Oct 25, 1967 | Tornado | 0 | 4 | $25K | |
| Apr 21, 1967 | Tornado | 0 | 4 | $250K | |
| Jul 10, 1988 | Thunderstorm Wind | 0 | 3 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
At 3 a.m. EST June 8th, two people drowned when they were delivering newspapers and their car plunged into a fifty foot ravine created by a washed out road. A presidential disaster declaration was issued for Allegan county due to extensive flash flooding.
Numerous reports from trained spotters, fire department and media were received during event. Several reports of road washouts in and near the city of Wayland. There were also several reports of flooding in the vicinity of Old Mill Road. Additional reports of water in basements were received on 40th Street as well. Road washouts and significant damage to roads numbered 57 by the end of the heavy rain event.||A Local State of Emergency was declared.
An EF-1 tornado touched down just southwest of Bangor on and tracked northeast. The entire city lost power as well as hundreds of trees. Multiple structures in Bangor were damaged as well. Roof damage was noted on Main Street. New Beginning Ministries and the Bangor Police Department sustained damage. ||The tornado then tracked further northeast, causing significant damage at True Blue Farms along County Road 215 and the Columbia Township Hall in Grand Junction. The tornado tracked into extreme southern Allegan County before lifting about 2.5 miles northeast of Grand Junction on 103rd Ave west of 52nd Street.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
121,456
Population (ACS)
$267K
Median home value
17
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jun 30, 2026 | Flood | SEVERE STORMS, TORNADOES, AND FLOODING | DR |
| Mar 27, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Jun 18, 2013 | Flood | FLOODING | DR |
| Jul 14, 2008 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING | DR |
| Sep 7, 2005 | Hurricane | HURRICANE KATRINA EVACUATION | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Allegan County, Michigan?
365 events are on record between 1954 and 2026, causing 4 direct deaths and $29.4M in property damage.
What is the most common severe weather hazard in Allegan County?
Thunderstorm Wind, with 234 recorded events — 64.1% of everything in the archive for this county.
How many tornadoes have crossed Allegan County?
35 mapped tornado paths intersect the county boundary; 30 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Allegan County?
17 federal disaster declarations from FEMA include Allegan County, each tied to a specific incident period.
How risky is Allegan County compared with the rest of the country?
FEMA's National Risk Index rates Allegan County as relatively low risk, placing it in the 69 percentile of its state for expected annual loss.
Where does the Allegan County, Michigan severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Alger County 160
- Alpena County 157
- Alcona County 137
- Antrim County 129
- Arenac County 121
- Baraga County 154
Cite this page
“Allegan County, Michigan.” Severe Weather History. severeweatherhistory.com/county/michigan/allegan-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.