Macomb County
Population 886,221 (2025) 479 sq mi
Property owners in Macomb County have filed 1,437 federal flood insurance claims since 1978, 3rd most of 83 counties in Michigan.
Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed
- Tornado damage paths since 195023
- Tropical cyclone tracks within 100 miles since 1851, wider where stronger1
- Major flood years since 19784
At a glance
The record for Macomb County in eight numbers. Each links to its section below.
Tropical cyclones within 50 mi
1
Most of any of Michigan’s 83 counties
None at hurricane strength since 1851
DetailsStrongest tornado
F4
May 8, 1964, 3.3 mile path
Strongest tropical cyclone
TS
Tropical storm Connie, 1955, 49.1 miles away
Tornadoes
About one every 3.3 years since 1950, 3 of them rated F3/EF3 or stronger.
Strongest
May 8, 1964
F4, 3.3 mile path
833 yards wide; 11 killed along the whole path.
Most recent
Wednesday, June 18, 2025
EF0, 2.4 mile path
Within the past year.
Every recorded tornado
| Jun 18, 2025 | EF0 | 2.4 | 0 | 0 |
| Jul 24, 2021 | EF1 | 3.5 | 0 | 0 |
| Aug 20, 2014 | EF0 | 0.3 | 0 | 0 |
| Aug 19, 2010 | EF0 | 5.0 | 0 | 0 |
| Aug 19, 2010 | EF1 | 2.5 | 0 | 0 |
| Jul 28, 2002 | F0 | 0.1 | 0 | 0 |
| Jul 2, 1997 | F0 | 0.7 | 6 | 0 |
| Jun 20, 1993 | F0 | 0.1 | 0 | 0 |
| Jun 30, 1990 | F1 | 0.5 | 0 | 0 |
| Aug 2, 1986 | F1 | 0.7 | 0 | 0 |
| Apr 4, 1985 | F1 | 2.3 | 6 | 0 |
| May 19, 1983 | F2 | 1.8 | 0 | 0 |
| May 2, 1983 | F3 | 23.0 | 3 | 0 |
| May 19, 1982 | F0 | 0.2 | 0 | 0 |
| Oct 5, 1978 | F1 | 0.5 | 0 | 0 |
| Jul 7, 1976 | F1 | 0.3 | 1 | 0 |
| Mar 20, 1976 | F3 | 17.1 | 3 | 1 |
| Jun 4, 1975 | F0 | 0.1 | 0 | 0 |
| Jun 2, 1975 | F0 | 0.1 | 0 | 0 |
| Jul 14, 1974 | F1 | 0.3 | 0 | 0 |
| Jul 14, 1974 | F1 | 0.1 | 0 | 0 |
| Jun 15, 1974 | F2 | 2.0 | 0 | 0 |
| May 8, 1964 | F4 | 3.3 | 224 | 11 |
- Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Macomb County: 12.
- Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.
Storm Prediction Center severe weather database, 1950 to 2025.
Hurricanes and tropical storms
1 passed within 50 miles since 1851; none at hurricane strength.
Strongest within 50 miles
August 14, 1955
Connie, Tropical storm
49.1 miles at closest approach, winds near 46 mph.
Most recent
September 14, 2008
Ike, Post-tropical
15.1 miles at closest approach.
Every storm within 100 miles
- Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.
National Hurricane Center HURDAT2, 1851 to 2025.
Wildfire and smoke
No large wildfire has been mapped here since satellite mapping began in 1984.
Smoke overhead
Smokiest year
2023: 73 days
Heavy smoke on 16 days in 2023, the most of any year.
Last 10 years
22.8 days a year
Medium or heavy smoke, 2016 to 2025.
2025
25 days
Medium or heavy smoke. 35 so far in 2026.
- A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.
NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.
Floods and flood insurance
1,437 federal flood insurance claims since 1978, with $9.0 million paid.
Most claims in one year
1986: 515 claims
$658,000 paid.
2nd most
1985: 185 claims
$360,000 paid.
3rd most
2014: 102 claims
$2.9 million paid.
Claims by ZIP code
| 48045 | 462 | $1.3 million |
| 48081 | 248 | $310,000 |
| 48047 | 185 | $1.3 million |
| 48080 | 108 | $127,000 |
| 48082 | 93 | $159,000 |
| 48317 | 46 | $1.0 million |
| 48036 | 42 | $880,000 |
| 48312 | 36 | $774,000 |
| 48038 | 33 | $832,000 |
| 48042 | 30 | $665,000 |
| 48026 | 28 | $191,000 |
| 48043 | 24 | $62,000 |
| 48044 | 15 | $64,000 |
| 48092 | 13 | $683,000 |
| 48316 | 9 | $97,000 |
| 48091 | 9 | $20,000 |
| 48093 | 9 | $185,000 |
| 48066 | 8 | $100,000 |
| 48310 | 6 | $2,355 |
| 48313 | 6 | $5,499 |
Flood events since 1996
- Flood36
- Flash Flood25
- Lakeshore Flood10
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.
River crests
Most severe crest
April 6, 1947
Clinton River at Mount Clemens, 23.55 ft
7.55 feet above the 16.0 ft flood stage; major flooding by today’s categories.
Most recent moderate or major crest
January 26, 2024
Clinton River near Clinton Township, 17.39 ft
Moderate flooding.
River gauges
| Clinton River at Mount Clemens | 16.0 | 23.55 ft | 5 |
| Clinton River near Clinton Township | 16.0 | 20.84 ft | 4 |
| Lake St Clair at St Clair Shores Tidal Gauge | 577.4 | — | 0 |
| N. Br. Clinton River near Mount Clemens | 15.0 | 20.34 ft | 4 |
- Crests are the highest and the recent crests the National Weather Service lists for each river gauge in the county that has a flood stage, not every flood. Flood categories use each gauge's current flood stages; crests from before levees, dams or channel changes may not be comparable. Crests measured on an old datum are left out of the rankings.
NOAA National Water Prediction Service gauge records, retrieved October 30, 2026.
Drought
In severe drought or worse for 136 of 1,581 months since 1895 (9%); the longest spell lasted 26 months.
136
Months in severe drought or worse since 1895
62
Months in extreme drought
9%
Share of all months, severe or worse
2
Drought reports to the Weather Service since 1996
Lowest reading
February 1964
−6.64, extreme drought
Longest severe spell
26 months
January 1963 to February 1965.
Latest month
September 2026
−0.94, incipient dry spell
Last severe month: January 2023.
- The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.
NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.
Earthquakes
12 earthquakes of magnitude 2.5 or more within 50 miles since 1976; none reached magnitude 4.
0
Magnitude 2.5+ inside the county since 1973
6
Magnitude 3+ within 50 miles since 1973
0
Magnitude 4+ within 50 miles since 1900
0
Magnitude 5+ within 50 miles since 1900
Largest within 50 miles
April 19, 2018
Magnitude 3.4
Michigan; 23.0 miles away, 1.7 miles deep.
Most recent, magnitude 3 or more
April 26, 2026
Magnitude 3.0
7 km SSE of Amherstburg, Canada; 28.5 miles away.
- Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
- Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).
USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.
Severe weather and other events
900 events in the National Weather Service record, 785 of them since 1996.
89
Hail reports, 1 inch or larger
2
Hail, 2 inches or larger
403
Damaging gusts, 58 mph+
66
Winter weather events since 1996
19
Heat events since 1996
17
Cold events since 1996
Largest hail
July 26, 1978
4.50 inches
Strongest measured or estimated gust
July 7, 1996
109 mph
More event types since 1996
| Lightning | 25 | 0 |
| Dense fog and smoke | 1 | 0 |
Costliest events since 1996
- Aug 11, 2014Flash Flood$300 million
National Weather Service narrative
A historic rainfall event unfolded over Southeast Michigan on Monday, August 11, leading to major flooding and road closures. This event was caused by a strengthening low pressure system moving over the area, focusing the tropical moisture which came up from the south. The hardest hit areas included Metro Detroit and surrounding communities, along with Flint and the Saginaw Valley areas. Wayne, Southern Oakland and Macomb counties saw the worst of the flooding as 4 to 6 inches of rain fell over a 4 hour period. Around 75,000 homes and businesses suffered damage, with over 3000 suffering major damage. There was also damage to the roads and bridges, along with the city sewer pumps…
- May 23, 2004Flood, Macomb$100 million
National Weather Service narrative
A stationary front over Iowa, Wisconsin, and Michigan over the weekend brought with it severe thunderstorms and heavy rains, which caused widespread flooding over Southeast Michigan. Much of the rainfall occurred in saturated areas that had experienced well-above average precipitation for the month of May. In fact, May 2004 will go down as the wettest May on record at Flint and Detroit. Over a 36 hour period (12 am May 22nd to 8 am May 23rd), 2 to 6 inches of rain fell across Southeast Michigan. A trained weather spotter in Armada reported the highest total, 5.8 inches. The following counties were declared a "state of disaster" due to the flooding and severe storms: Genesse,…
- Apr 3, 2003Ice Storm, Macomb$50.0 million
National Weather Service narrative
An arctic frontal boundary moved south of the state by the morning of April 3, 2003. This front dropped temperatures to the freezing mark generally along and north of a Brighton to St Clair Shores line. Then, a series of low pressure systems moved across the front. This allowed very warm and moist air to lift north overtop of the sub-freezing temperatures near the ground. The first wave of precipitation moved across eastern Michigan late in the evening on April 3rd and continued through the morning of April 4th. Thunderstorms brought heavy freezing rain to the area during this time period. Spotter reports indicated up to 3 inches of freezing rain occurred in some places. Sleet was…
- Mar 8, 2017High Wind, Macomb$30.0 million
National Weather Service narrative
A non thunderstorm event took place over the state on Wednesday, March 8, 2017, as high winds brought wind gusts in excess of 60 mph! The high winds took out power lines and trees, along with numerous reports of structural damage to buildings. There were also reports of brush fires and tractor-trailers flipped over around the area. Due to the extensive damage, many areas were without power for several days. Approximately 800,000 DTE customers and approximately 300,000 Consumers Energy customers were affected. The highest wind gust reported across Southeast Michigan was 68 mph at both Saginaw and Detroit Metro Airport.
- Jul 2, 1997Tornado$30.0 million
- Feb 19, 2016High Wind, Macomb$7.0 million
National Weather Service narrative
Strong southwest winds of 50 to 60 mph brought down trees...tree limbs...and power lines...mainly along the M-59 corridor and I-94 corridors of Southeast Michigan. DTE reported 117,000 customers were affected during the peak early Friday evening, with 75,000 customers remaining without power into Saturday the next day. |Here are some of the higher wind gusts reported at airports across the area on Friday February 19th:|Ypsilanti... 58 mph at 1022 PM.|Detroit Metro... 55 mph at 744 PM.|Owosso... 55 mph at 835 PM.|Saginaw (MBS)... 54 mph at 536 PM.|Pontiac... 54 mph at 742 PM.|Ann Arbor... 54 mph at 719 PM.|Flint Bishop... 53 mph at 634 PM.|Howell... 53 mph at 734 PM.|Detroit…
- Feb 22, 2023Ice Storm, Macomb$6.0 million
National Weather Service narrative
A major winter storm impacted Southeast Michigan during the daytime and evening hours of February 22, 2023. Warm/moist air originating in the Gulf of Mexico surged north toward a surface warm front, increasing coverage and intensity of precipitation over lower Michigan by mid-morning. This warmer air aloft interacted with a resident cold airmass near the surface, creating conditions favorable for snow to the north and a wintry mix for much of the metro Detroit region. The higher snow accumulations occurred across areas well north of I-69, with Midland, Bay, Tuscola, and Huron counties reporting 5 to 9 inches. Communities along and south of I-69 saw a wintry mix of snow, sleet, and…
- Jul 21, 1998Thunderstorm Wind$5.8 million
National Weather Service narrative
July 21st was one of the hottest days of the summer in southeast Michigan, as temperatures soared into the middle to upper 90s. An extremely humid airmass was also in place, with dew points in the upper 70s. The above produced an extraordinarily unstable atmosphere, with CAPE values approaching 7000 J/kg. A weak trough of low pressure moved east into western lower Michigan during the afternoon. It was on this trough that thunderstorms first developed. Thanks to the amount of instability present, these storms rapidly became severe. Winds aloft were rather strong for mid-summer, with 40 knot winds less than a mile above ground level (at 850 mb). Thus, the storms were prodigious…
- Dec 28, 2008High Wind, Macomb$5.0 million
National Weather Service narrative
A rapidly deepening low pressure system tracked northeast from northern Lake Michigan, sending a strong cold front through southeast Michigan. Winds gusts of 50 to 65 mph behind the cold front lead to widespread tree branches and trees downed, along with extensive power outages, as more than 400,000 Michigan homes and businesses lost power. The majority of those customers who lost power were located in the Detroit Metro Area.
- Apr 14, 2018Winter Storm, Macomb$5.0 million
National Weather Service narrative
A large and complex low pressure system impacted the Great Lakes region. Southeast Michigan saw heavy rain, snow, sleet and freezing rain that began on Friday (April 13) and lasted through Sunday (April 15). This system brought 2 main periods of precipitation, with a short break in between on Saturday. Total rainfall of 1 to 2 inches was common in many locations in Southeast Michigan, with 2-3 of snow and sleet north of I-69, and about 1/4 to 1/2 of ice from freezing rain between the I-94 and I-96 corridors. Widespread tree damage and power outages from an combination of the snow, sleet, and freezing rain occurred. In total, DTE and Consumers Energy reported power outages for…
- Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.
NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.
Weather records
From Mount Clemens Ang Base, 7.2 miles from the county’s population centre, with records from 1896.
- All-time high
- 106°FJul 5, 1911
- All-time low
- −24°FFeb 10, 1912
- Warmest night
- 81°F2 times, most recently Jul 1, 2026
- Coldest day
- −4°FJan 15, 1972
- Wettest day
- 4.78 inJun 26, 1968
- Snowiest day
- 16.0 inMar 2, 1936
- Hottest year
- 1998mean 54.4°F
- Coldest year
- 2011mean 44.4°F
- Wettest year
- 201742.00 in
- Driest year
- 201314.04 in
- Snowiest season
- 72.0 in2011-12
Median first snow
November 19
Earliest: October 6, 2011
Median last snow
April 7
Latest: May 11, 2020
0 of 81 winters had no measurable snow.
Station Mount Clemens Ang Base (USW00014804), 580 ft elevation, 7.2 miles from the population centre. Daily records from 1896 to October 23, 2026; 95.6% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.
NOAA NCEI Global Historical Climatology Network Daily.
Federal disaster declarations
18 since 1953. The most recent: Severe Storms, Tornadoes, and Flooding, February 8, 2024.
| Feb 8, 2024 | Flood | DR-4757-MI |
| Jul 15, 2021 | Severe Storm | DR-4607-MI |
| Mar 27, 2020 | Biological | DR-4494-MI |
| Mar 13, 2020 | Biological | EM-3455-MI |
| Sep 25, 2014 | Flood | DR-4195-MI |
| Sep 7, 2005 | Hurricane | EM-3225-MI |
| Jun 30, 2004 | Severe Storm | DR-1527-MI |
| Sep 23, 2003 | Other | EM-3189-MI |
| Jan 10, 2001 | Snowstorm | EM-3160-MI |
| Jan 27, 1999 | Snowstorm | EM-3137-MI |
| Aug 5, 1998 | Severe Storm | DR-1237-MI |
| Jul 11, 1997 | Severe Storm | DR-1181-MI |
| Sep 18, 1986 | Flood | DR-774-MI |
| Jan 27, 1978 | Snowstorm | EM-3057-MI |
| Mar 19, 1976 | Severe Storm | DR-495-MI |
| Apr 26, 1975 | Flood | DR-465-MI |
| Apr 12, 1973 | Flood | DR-371-MI |
| Dec 1, 1972 | Flood | DR-363-MI |
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.
How this compares
Where Macomb County stands among 83 counties in Michigan and 3,143 in the United States.
| Tornadoes since 1950 | 23 | 20 / 83 |
| Tornadoes rated F3/EF3 or stronger | 3 | 8 / 83 |
| Tropical cyclones within 50 mi | 1 | 1 / 83 |
| Hurricane-strength passes within 50 mi | 0 | — |
| Wildfire acres since 1984 | 0 | — |
| Flood insurance claims | 1,437 | 3 / 83 |
| Flood insurance paid | $9.0 million | 6 / 83 |
| Disaster declarations | 18 | 1 / 83 |
| Flood events since 1996 | 71 | 2 / 83 |
| Hail and wind events since 1996 | 600 | 4 / 83 |
| Winter storm events since 1996 | 66 | 68 / 83 |
| Reported damage since 1996 | $587 million | 3 / 83 |
| River crests at major flood stage | 13 | 1 / 83 |
| High tide flooding days a year, last 10 years | 0.0 | — |
| Months in severe drought since 1895 | 136 | 24 / 83 |
| Medium or heavy smoke days a year, last 10 years | 22.8 | 74 / 83 |
| Earthquakes M4+ within 50 mi since 1900 | 0 | — |
| Earthquakes M2.5+ in the county since 1973 | 0 | — |
Neighbouring counties
| Lapeer County | 21 | 1 |
| Oakland County | 36 | 0 |
| St. Clair County | 24 | 1 |
| Wayne County | 38 | 0 |
Sources and vintage
Every number on this page comes from these public records.
- Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
- Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
- Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
- Storm events NOAA NCEI Storm Events Database, through 2026.
- Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
- Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
- Weather records NOAA NCEI Global Historical Climatology Network Daily, station USW00014804.
- River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
- Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
- Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
- Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.
Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.