Michigan

Storm History: Washtenaw County, Michigan

512 episodes, 988 events since 1951

Every storm the National Weather Service has filed in Washtenaw County, Michigan: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
988
Deaths
9
Injuries
48
Damage
$107 million
Episodes
512

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Washtenaw County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Hail38633$8.3 million
Tornado227112$33 million
Thunderstorm Wind12621$5.1 million
Flash Flood8010$1.2 million
High Wind3502$37 million
Heavy Snow3300
Flood2002$415,000
Winter Storm1800$6.0 million
Heat12017
Cold/Wind Chill10010$25,000
Ice Storm701$11 million
Lightning600$73,000
Blizzard500$1.1 million
Winter Weather510$225,000
Extreme Cold/Wind Chill410$475,000
Strong Wind400$23,000
Excessive Heat300
Drought200
Frost/Freeze200$1.3 million
Dense Fog100
Freezing Fog100
Lakeshore Flood100$750,000

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Washtenaw County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Washtenaw CountyEvery warning in Washtenaw County since 1986Every county in Michigan

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.