PlainHazard

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The data below is historical (NOAA Storm Events / FEMA), not a live alert. For current warnings and evacuation orders, check the National Weather Service, Ready.gov, or FEMA.gov.

State profile · FEMA + NOAA + National Risk Index

Michigan Natural Disasters

Michigan has one of the lighter federal disaster records in the country. 46 FEMA disaster declarations are on record, led by flood, with $2.2B in combined property and crop damage. A light count doesn't mean zero risk, just fewer events that crossed the federal declaration threshold. NOAA storm event data shows 9,052 recorded weather events resulting in 72 fatalities, figures the state uses to prioritize disaster-preparedness planning.

46
FEMA declarations
9,052
NOAA storm events
72
Storm fatalities
$2.2B
Property + crop damage

The Michigan risk picture

3 of the 83 counties FEMA scores, 4%, carry a FEMA "high-risk" National Risk Index rating, with riverine flooding the single largest driver of expected annual loss statewide. Michigan has 35 Major Disaster (DR) declarations; FEMA authorizes Individual Assistance, Public Assistance, or both separately for each declaration. NOAA-tracked storms have caused 187 injuries statewide.

4%
of counties rated high-risk by FEMA National Risk Index
46
FEMA disaster declarations on record
$2.2B
in tracked property + crop damage
14,776
NFIP flood insurance claims filed statewide

FEMA's National Risk Index and NOAA's Storm Events Database measure different things: modeled long-run risk vs. observed severe-weather events. Storm Events is a reported dataset, so its counts track what was observed and logged, not every event that occurred, and reporting is denser where more people live. See the methodology for how they relate.

View my watchlist

FEMA declarations

46

Low volume

Major Disaster share

76%

Mostly major

NOAA storm events

9,052

Observed severe-weather records

How does Michigan compare?

Michigan vs. every U.S. state

FEMA disaster declarations, all-time

46 22nd percentile higher than 22% of 59 states and territories

This state 0 400 all U.S. states and territories FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more states and territories. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-08-25

Michigan county risk-score spread

FEMA National Risk Index composite scores, 0–100

49.6 48th percentile higher than 48% of 83 county composite scores

State average 0 100 Michigan counties, bucketed by FEMA score, bucketed by value

Each bar is a band; taller bars hold more county composite scores. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA National Risk Index (NRI), county composite scores · 2026-08-25

The declaration chart counts past federal actions. The county score chart summarizes FEMA's modeled National Risk Index composite; it is not a forecast, and a state average does not describe every county.

Do more storms mean more federal disasters?

Michigan sits at the 16th percentile of FEMA declaration volume and the 36th percentile of NOAA storm-event volume among 55 states and territories, those two ranks are not interchangeable.

FEMA declaration rank vs NOAA storm-event rank

Each point is a state or territory plotted by within-sample rank percentile (0–100) on FEMA OpenFEMA declarations (x) and NOAA Storm Events (y). Crosshairs mark the mid-rank (50th). Illinois is the clearest threshold-gap example in this release. Source: FEMA OpenFEMA Disaster Declarations Summaries v2 + NOAA Storm Events Database. 2×2 strategic matrix plotting 30 entities by FEMA declarations (percentile) (X) and NOAA storm events (percentile) (Y), with a crosshair dividing the plot into four quadrants. Busy on both ledgersMany storms · fewer declarationsDeclaration-heavy · fewer stormsQuiet on both 406080100120 020406080100120 FEMA declarations (percentile) NOAA storm events (percentile) Signature insight
Each point is a state or territory plotted by within-sample rank percentile (0–100) on FEMA OpenFEMA declarations (x) and NOAA Storm Events (y). Crosshairs mark the mid-rank (50th). Illinois is the clearest threshold-gap example in this release. Source: FEMA OpenFEMA Disaster Declarations Summaries v2 + NOAA Storm Events Database.
Read the chart, every state as text

Percentiles are within this release's state/territory sample. Raw counts are the underlying FEMA and NOAA totals.

StateFEMA declsFEMA %ileNOAA stormsNOAA %ile
California3969823,69493
Texas3899653,30998
Oklahoma2589523,89695
Washington215934,40822
Florida1889112,83855
Oregon169893,69520
New Mexico1268710,97445
Arizona120859,54138
New York1188421,65382
Montana1128213,57656
Colorado1117818,34073
Louisiana1117811,20447
Nevada110764,53424
Alabama1027514,58364
Kentucky987119,94778
Mississippi987114,10062
Tennessee976916,64569
South Dakota966722,75987
Alaska94642,68315
Kansas946425,11596
Arkansas876013,63758
Nebraska876020,13680
Missouri865822,95289
North Carolina855616,36767
West Virginia845512,02649
Georgia815116,67671
Minnesota815119,10975
Iowa784921,88384
Virginia774723,58491
North Dakota754510,81844
Hawaii72446,20031
Maine71424,78127
Illinois684022,08885
Pennsylvania643819,42776
New Hampshire63362,54711
Vermont62353,44918
Idaho60315,14229
Ohio603116,18465
Massachusetts59256,78133
New Jersey59258,21835
Utah59254,57825
Wisconsin562413,80760
Indiana542212,68753
Puerto Rico51182,94416
South Carolina511810,52042
Michigan46169,05236
Wyoming451512,49451
Connecticut43132,62213
Maryland381110,29040
U.S. Virgin Islands339880
Rhode Island3179247
Delaware2651,4759
Guam2542582
District of Columbia2424525
American Samoa1702924

What shapes Michigan's record?

FEMA declaration types in Michigan

Wider bars = more declarations of that incident type

declarations

What this shows Flood leads Michigan's FEMA declaration mix with 14 records among the types shown.

Source FEMA OpenFEMA Disaster Declarations Summaries v2 As of 2026-08-25

NOAA storm events by year in Michigan

Reported severe-weather events, 2015-2025 catalog window

6007008009001,0001,100 20152016201720182019202020212022202320242025 816

Source: NOAA Storm Events Database As of 2026-08-25

Peak year in this series: 2019 (1,067 events). Counts are reported events, not a complete census.

63 /100

Historical Activity Index

High historical activity

Michigan · PlainHazard-derived composite from federal records

This 0–100 index is an explicit PlainHazard composite mixing OpenFEMA declaration totals (1953–present) with NOAA Storm Events (2015–2025), different windows and event definitions, disclosed weights on the methodology page . It is not FEMA's National Risk Index, not a forecast, and not a safety, insurance, or preparedness rating. Open the calculator · Methodology

FEMA Declarations (1953–present) Moderate
8/30

46 OpenFEMA declarations, full ingest window (0.5x state average)

NOAA Storm Events (2015–2025) Moderate
10/25

9052 NOAA storm events in the 2015–2025 extract (0.8x median state)

NOAA Damage (2015–2025) Very High
25/25

Recorded NOAA property+crop damage in the 2015–2025 extract (3.9x median state)

Hazard Diversity Very High
20/20

13 different disaster types declared in Michigan

What does Michigan's hazard record show?

FEMA disaster declarations

Michigan (MI) has a low level of federal declaration activity, with 46 FEMA declaration records, including 35 Major Disaster declarations (DR). A DR may authorize Individual Assistance, Public Assistance, or both; those program approvals are not implied by the DR count. The dominant declaration type is Flood, followed by Severe Storm (10), Tornado (6), Snowstorm (5). Declaration counts at the state level reflect the cumulative federal footprint: large multi-county events count once per state, but repeat hazard patterns across decades are visible in the breakdown below.

Flood exposure & where to dig deeper

Flood exposure is quantified separately through the National Flood Insurance Program. Policyholders across 76Michigan counties have filed 14,776 NFIP claims totaling $148.7M, or an average of $10.1K per claim. NFIP data captures only insured flood losses, so uninsured flood damage and storm-surge losses outside mapped high-risk zones remain invisible in this figure. The highest-Expected-Annual-Loss hazard across the state is Riverine Flooding, estimated at $1.5B annually. Drill into individual counties for localized risk, read FEMA's hazard-specific briefings, and review insurance and flood-zone designations, state-level averages can mask sharp county-to-county differences in exposure and resilience.

NOAA storm events & FEMA National Risk Index

NOAA's Storm Events Database adds the near-term severe-weather lens. Between 2015 and 2025, Michigan recorded 9,052 individual storm events, causing 72 fatalities and 187 injuries, with combined property and crop damage estimated at $2.2B. The most frequent event types in the state are Thunderstorm Wind (3,010 events), Winter Storm (1,486 events), Winter Weather (1,254 events). Across the 83counties FEMA scores here, its National Risk Index flags 3 as high-risk, with an average county Risk Index score (FEMA's own formula, distinct from our Historical Activity tool below) of 49.6/100.

What this count is, and is not. Storm Events is a reported database: NOAA compiles it from National Weather Service offices, trained spotters, law enforcement, and the public. It is a record of what was observed and logged, not a complete census of severe weather. Densely populated areas report more events than sparsely populated ones with similar meteorological exposure, and detection has improved over time, so an event count is not a like-for-like measure of hazard between places or across decades. Damage figures are field estimates, not audited losses. See methodology.

Disaster Types in Michigan

Share of this state's FEMA declarations; the bar chart above is the same mix as counts.

Flood

30.4%

14 declarations

Severe Storm

21.7%

10 declarations

Tornado

13.0%

6 declarations

Snowstorm

10.9%

5 declarations

Biological

4.3%

2 declarations

Dam/Levee Break

4.3%

2 declarations

Hurricane

2.2%

1 declarations

Drought

2.2%

1 declarations

Other

2.2%

1 declarations

Severe Ice Storm

2.2%

1 declarations

Freezing

2.2%

1 declarations

Fire

2.2%

1 declarations

Toxic Substances

2.2%

1 declarations

Storm Events by Type

NOAA storm event data for Michigan (2015-2025).

Event Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 3,010 10 18 $173.8M
Winter Storm 1,486 3 11 $41.8M
Winter Weather 1,254 21 38 $892.0K
Hail 962 0 0 $77.1M
High Wind 389 3 2 $668.9M
Heavy Snow 312 0 0 $800.0K
Cold/Wind Chill 251 8 0 $0
Flood 181 0 0 $230.1M
Tornado 163 5 76 $234.4M
Lake-Effect Snow 154 0 0 $15.0K
Blizzard 128 0 0 $1.0M
Lakeshore Flood 120 2 0 $13.6M
Ice Storm 117 1 0 $73.6M
Flash Flood 117 1 1 $679.4M
Extreme Cold/Wind Chill 100 0 0 $0
Heat 62 0 0 $0
Strong Wind 53 0 0 $196.5K
Excessive Heat 51 0 0 $0
Heavy Rain 41 1 4 $68.0K
Lightning 28 2 15 $1.8M

Storm Events by Year

Year Events Fatalities Injuries Property Damage
2025 816 2 15 $17.9M
2024 701 2 29 $68.4M
2023 792 12 10 $323.3M
2022 831 11 45 $75.2M
2021 964 3 19 $185.8M
2020 811 8 11 $277.0M
2019 1,067 6 13 $203.2M
2018 767 12 12 $201.5M
2017 628 13 18 $721.0M
2016 797 2 0 $46.4M
2015 878 1 15 $79.9M

FEMA Disaster Declarations

How the 46 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download all 46 declarations as CSV . Source data is public domain; our derived presentation is CC0.

46 unique disaster declarations in Michigan.

DR# Title Type Incident Date
4925 SEVERE STORMS, TORNADOES, AND FLOODING DR Flood 2026-06-30
4880 SEVERE WINTER STORM DR Severe Ice Storm 2025-07-22
4757 SEVERE STORMS, TORNADOES, AND FLOODING DR Flood 2024-02-08
4607 SEVERE STORMS, FLOODING, AND TORNADOES DR Severe Storm 2021-07-15
4547 SEVERE STORMS AND FLOODING DR Dam/Levee Break 2020-07-09
3525 SEVERE STORMS AND FLOODING EM Dam/Levee Break 2020-05-21
4494 COVID-19 PANDEMIC DR Biological 2020-03-27
3455 COVID-19 EM Biological 2020-03-13
4381 SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Flood 2018-08-02
4326 SEVERE STORMS AND FLOODING DR Severe Storm 2017-08-02
3375 CONTAMINATED WATER EM Toxic Substances 2016-01-16
4195 SEVERE STORMS AND FLOODING DR Flood 2014-09-25
4121 FLOODING DR Flood 2013-06-18
1777 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2008-07-14
3225 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-07
1527 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2004-06-30
3189 POWER OUTAGE EM Other 2003-09-23
1413 FLOODING DR Flood 2002-05-06
3160 SNOW EM Snowstorm 2001-01-10
1346 SEVERE STORMS AND FLOODING DR Severe Storm 2000-10-17
2261 MI - TOWER LAKE MOUNTAIN FIRE - 05/06/1999 FM Fire 1999-05-06
3137 MI - SEVERE WEATHER 1/2 /99 EM Snowstorm 1999-01-27
1237 SEVERE STORMS AND HIGH WINDS DR Severe Storm 1998-08-05
1226 SEVERE STORMS DR Severe Storm 1998-06-24
1181 SEVERE STORMS, TORNADOES,AND FLOODING DR Severe Storm 1997-07-11
1128 SEVERE STORMS AND FLOODING DR Severe Storm 1996-07-23
1028 SEVERE DEEP FREEZE DR Freezing 1994-05-10
774 SEVERE STORMS & FLOODING DR Flood 1986-09-18
744 SEVERE STORMS AND FLOODING DR Flood 1985-09-18
654 FLOODING DR Flood 1982-03-29
631 SEVERE STORMS & FLOODING DR Flood 1980-09-08
621 SEVERE STORMS & TORNADOES DR Tornado 1980-05-16
3057 BLIZZARDS & SNOWSTORMS EM Snowstorm 1978-01-27
3035 DROUGHT EM Drought 1977-03-02
3030 SNOWSTORMS EM Snowstorm 1977-02-05
495 SEVERE STORMS, TORNADOES, ICING & FLOODING DR Severe Storm 1976-03-19
486 SEVERE STORMS, HIGH WINDS & FLOODING DR Flood 1975-09-30
465 SEVERE STORMS, HIGH WINDS & FLOODING DR Flood 1975-04-26
429 TORNADOES DR Tornado 1974-04-12
371 SEVERE STORMS & FLOODING DR Flood 1973-04-12
363 SEVERE STORMS & FLOODING DR Flood 1972-12-01
330 SEVERE STORM & FREEZING DR Snowstorm 1972-04-05
190 TORNADOES & SEVERE STORMS DR Tornado 1965-04-14
53 TORNADO DR Tornado 1956-04-05
6 TORNADO DR Tornado 1953-06-09
4 TORNADO DR Tornado 1953-06-02

FEMA National Risk Index

Composite natural hazard risk scores for Michigan counties based on FEMA's National Risk Index.

Avg County Risk Score

49.6/100

High Risk Counties

3

of 83 counties

Top Hazard by EAL

Riverine Flooding

$1.5B annual loss est.

Top 5 Hazards by Expected Annual Loss

#1

Riverine Flooding

$1.5B EAL

#2

Tornado

$473.6M EAL

#3

Cold Wave

$448.0M EAL

#4

Strong Wind

$163.6M EAL

#5

Heat Wave

$80.7M EAL

Source: FEMA National Risk Index (NRI) EAL = Expected Annual Loss. Data: hazards.fema.gov/nri

NFIP Flood Insurance Claims

National Flood Insurance Program claims across Michigan from FEMA NFIP data.

Total Claims

14,776

Total Paid

$148.7M

Avg Per Claim

$10.1K

Counties With Claims

76

Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data

Counties in Michigan

83 counties with FEMA disaster data. Declaration counts measure past federal action; NRI rating is FEMA's modeled composite, so a high count is not a high rating.

#CountyDisastersNRI ratingMajor
1Macomb County18Relatively High12
2Saginaw County18Relatively Moderate14
3Allegan County17Relatively Low11
4Wayne County17Relatively High12
5Ionia County16Relatively Low10
6Ottawa County16Relatively Moderate10
7Oakland County15Relatively High9
8Bay County14Relatively Low10
9Osceola County14Very Low8
10Shiawassee County14Relatively Low9
11Barry County14Relatively Low8
12Midland County14Relatively Low9
13Muskegon County14Relatively Low9
14Genesee County14Relatively Moderate8
15Eaton County14Relatively Low8
16Kent County13Relatively Moderate8
17Oceana County13Very Low7
18Mecosta County13Relatively Low7
19Newaygo County13Relatively Low9
20Van Buren County13Relatively Low7
21Kalamazoo County12Relatively Moderate6
22Gratiot County12Relatively Low8
23Gladwin County12Very Low6
24Tuscola County12Relatively Low8
25Sanilac County12Relatively Low7
26Ingham County12Relatively Moderate7
27Washtenaw County12Relatively Moderate6
28Montcalm County12Relatively Low8
29Berrien County12Relatively Moderate7
30St. Clair County12Relatively Moderate7
31Monroe County11Relatively Moderate6
32Marquette County11Relatively Low5
33Arenac County11Very Low6
34Iosco County11Very Low6
35Isabella County11Relatively Low6
36Lapeer County11Relatively Low6
37Clinton County10Relatively Low6
38Jackson County10Relatively Low5
39Hillsdale County9Relatively Low3
40Clare County9Relatively Low4
41Calhoun County9Relatively Low4
42Cass County9Relatively Low3
43Lake County9Very Low5
44Crawford County9Very Low4
45Houghton County9Very Low5
46Mason County9Very Low5
47Alcona County9Very Low4
48Livingston County9Relatively Low4
49Gogebic County9Very Low5
50Cheboygan County8Relatively Low4
51St. Joseph County8Relatively Low3
52Ontonagon County8Very Low4
53Montmorency County8Very Low3
54Oscoda County8Very Low3
55Menominee County8Relatively Low4
56Charlevoix County8Very Low4
57Huron County8Relatively Low4
58Manistee County8Very Low4
59Ogemaw County7Very Low2
60Roscommon County7Relatively Low3
61Iron County7Relatively Low3
62Alpena County7Very Low3
63Kalkaska County7Very Low3
64Otsego County7Very Low2
65Wexford County7Very Low3
66Baraga County7Very Low3
67Missaukee County7Very Low3
68Mackinac County7Very Low3
69Antrim County7Very Low3
70Presque Isle County7Very Low3
71Chippewa County7Very Low2
72Emmet County7Very Low3
73Grand Traverse County6Relatively Low2
74Branch County6Relatively Low2
75Delta County6Relatively Low2
76Schoolcraft County6Very Low2
77Benzie County6Very Low2
78Lenawee County6Relatively Low2
79Dickinson County5Relatively Low1
80Luce County5Very Low1
81Keweenaw County5Very Low2
82Alger County5Very Low1
83Leelanau County5Relatively Low1

Highest-risk counties by FEMA National Risk Index

Declaration counts above measure past federal action; FEMA's NRI is a composite of Expected Annual Loss, social vulnerability, and community resilience. By that separate measure the highest-risk counties in Michigan are Wayne (Relatively High), Oakland (Relatively High), Macomb (Relatively High), Kent (Relatively Moderate), Genesee (Relatively Moderate). Compare any county's recorded history with the Historical Activity tool.

All 83 counties in Michigan are listed above.

Compare beyond this profile

Nationwide states with similar NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Michigan: nearest states by average county National Risk Index composite and nearest FEMA declaration count (floor ≥5 records). Record similarity only, not a forecast of the next hazard.

Disaster Preparedness Guides

Learn more about natural disaster risk, preparedness, and data interpretation.

Frequently Asked Questions

What natural disasters affect Michigan?
Michigan is affected by flood, severe storm, tornado, snowstorm. The state's leading disaster type is Flood, based on 46 FEMA disaster declarations on record.
How many FEMA disaster declarations has Michigan had?
Michigan has received 46 FEMA disaster declarations, including 35 major disaster declarations. The declaration history covers several disaster types, including Flood (14), Severe Storm (10), Tornado (6).
What severe weather events are most common in Michigan?
The most common severe weather events in Michigan include thunderstorm wind (3,010 events), winter storm (1,486 events), winter weather (1,254 events). Between 2015 and 2025, NOAA recorded these events causing 72 fatalities and $2.2B in property and crop damage.
How active is Michigan's federal disaster declaration record?
Michigan has a low level of historical federal declaration activity, based on 46 FEMA declaration records. This band is not a future-risk forecast. Separately, NOAA storm events from 2015-2025 record 72 fatalities and 187 injuries. NOAA property and crop damage records total $2.2B.
How many flood insurance claims has Michigan had?
Michigan has 14,776 National Flood Insurance Program (NFIP) claims with $148.7M total paid out. Claims average $10.1K, with 76 counties reporting flood insurance claims.
Which counties in Michigan have the most disaster declarations?
Among 83 counties in Michigan, those with the most FEMA declaration records include Macomb (18 declarations), Saginaw (18 declarations), Allegan (17 declarations). Breaking the declarations down by county reveals patterns a statewide total can mask.

Source: FEMA OpenFEMA Disaster Declarations, NOAA Storm Events Database (2015-2025) For informational purposes only

What this means for Michigan

Macomb alone accounts for 39% of Michigan's FEMA disaster declarations, out of 83 counties tracked statewide.

  • The declaration record is uneven within the state: Macomb and Saginaw carry the most FEMA declarations. Browse counties
  • See how Michigan ranks against other states for disaster frequency and damage. State rankings
  • Learn what FEMA declarations, NRI risk scores, and damage figures do and don't tell you. Disaster-data guide

Historical declaration counts and damage totals describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, the data & editorial changelog, or report a data error.