Photo: WeaponizingArchitecture · CC BY-SA 4.0On FEMA’s figures, Holly faces less hazard damage per building than 89% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Holly gets an A for hazard risk: lower expected damage per building than 89% of U.S. towns, #151 of 701 in Michigan. Most of that expected damage is river and rain flooding (73%), then tornadoes (20%). Flood insurance has paid 3 claims here since 1979.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Holly faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Tornadoes
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Holly’s grade
River and rain flooding is 73% of the building damage FEMA expects in Holly, and Holly’s rate of river and rain flooding damage is lower than 76% of U.S. census tracts. Next is tornadoes at 20% (higher than 87% of U.S. census tracts).
A #151 of 701 in Michigan; lower expected damage per building than 89% of U.S. towns (21,298).
All of Holly’s residents live in one census tract; the figures are that tract’s.
The typical Michigan town has lower expected damage than 77% of U.S. towns; within the state, Holly has less expected damage per building than 79% of Michigan towns.
In dollars, FEMA expects about $1.5M a year in losses across Holly: $920K to buildings, the rest to people and crops.
Does Holly flood? Rarely: 3 flood claims since 1979
Every paid claim on a federal flood insurance policy in Holly, from FEMA’s records: 1.0 per 1,000 homes, fewer than 77% of the 13,809 U.S. towns with a flood insurance record.
Holly isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Oakland County.4 federal disasters brought FEMA money to Holly
Disasters that paid out in Holly itself (aid to households or repair grants to the Village of Holly), newest first, with that year’s flood claims.
- 2023Severe Storms, Tornadoes, and Flooding22 households applied for aid$28K aid approved
- 2004Severe Storms, Tornadoes, and Flooding8 households applied for aid$11K aid approved
- 2000Snow$5K to the Village of Holly for repairs
- 1999Mi - Severe Weather 1/2 /99$3K to the Village of Holly for repairs
Oakland County has had 11 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Holly after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Holly archive →Holly and its neighbors
Holly is 2nd of the 3 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Holly Township | Aless damage than 90% | river and rain flooding | 2 |
| Holly | Aless damage than 89% | river and rain flooding | 3 |
| Rose Township | Aless damage than 88% | river and rain flooding | — |
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Holly faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Pick your spot now: the lowest floor, an inside room, no windows.
- A watch means be ready; a warning means take cover now.
- Keep shoes and a flashlight by the bed.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Holly
Is Holly at risk for natural disasters?
On FEMA’s National Risk Index, Holly has lower expected damage per building than 89% of U.S. towns: A for hazard risk, #151 of 701 in Michigan. Most of the expected damage is river and rain flooding (73%) and tornadoes (20%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Holly flood?
Flood insurance has paid 3 claims in Holly since 1979, $17K in all, or 1.0 per 1,000 homes, fewer than 77% of U.S. towns with a flood insurance record.
Is Holly in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Oakland County, 21% of homes in mapped flood zones carry federal flood insurance, and 0.3% of all homes do.
How much is flood insurance in Holly?
FEMA’s Community Rating System list shows no discount for Holly’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Holly?
By FEMA money that reached Holly, Severe Storms, Tornadoes, and Flooding (2023): 22 households applied for aid, $28K approved.
Is Holly at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (73%), and Holly’s rate for it is lower than 76% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Holly.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Holly’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.