Charles A. Broadwater House · Photo: Jon Roanhaus · CC BY-SA 4.0Helena West Side’s building-damage rate from wildfire is in the top 3% of U.S. census tracts
On FEMA’s National Risk Index, Helena West Side gets a B for hazard risk: lower expected damage per building than 56% of U.S. towns. Most of that expected damage is river and rain flooding (67%), then wildfire (23%). FEMA’s files show no paid flood insurance claims here.
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 Helena West Side 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
Wildfire
Earthquakes
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 Helena West Side’s grade
River and rain flooding is 67% of the building damage FEMA expects in Helena West Side, and Helena West Side’s rate of river and rain flooding damage is lower than 51% of U.S. census tracts. Wildfire adds 23%, at a rate in the top 3% of U.S. census tracts.
B lower expected damage per building than 56% of U.S. towns (21,298).
Helena West Side’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.
In dollars, FEMA expects about $886K a year in losses across Helena West Side: $341K to buildings, the rest to people and crops.
Does Helena West Side flood? No paid flood claims on record
FEMA’s records show no paid flood insurance claims in Helena West Side. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.
Helena West Side isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Lewis and Clark County.The storms Helena West Side remembers
None of the 6 disasters declared for Lewis and Clark County shows FEMA aid or repair money reaching Helena West Side itself in FEMA’s records, so these are its biggest flood-claim years.
Lewis and Clark County has had 6 natural disasters declared by the President since 1953, most often floods, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Also 7 FEMA wildfire suppression grants (Fire Management Assistance, not a disaster declaration) for fires in Lewis and Clark County, 2000–2024.
Helena West Side and its neighbors
Helena West Side 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 |
|---|---|---|---|
| Helena | Aless damage than 92% | river and rain flooding | 16 |
| Helena West Side | Bless damage than 56% | river and rain flooding | 0 |
| Helena Valley West Central | C+more damage than 60% | river and rain flooding | 43 |
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 Helena West Side 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.
- Clear dead leaves and brush within 5 feet of the house.
- Sign up for local alerts and know two ways out.
- Keep N95 masks for smoky days.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- 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 Helena West Side
Is Helena West Side at risk for natural disasters?
On FEMA’s National Risk Index, Helena West Side has lower expected damage per building than 56% of U.S. towns: B for hazard risk. Most of the expected damage is river and rain flooding (67%) and wildfire (23%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Is Helena West Side 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 Lewis and Clark County, 14% of homes in mapped flood zones carry federal flood insurance, and 0.6% of all homes do.
How much is flood insurance in Helena West Side?
FEMA’s Community Rating System list shows no discount for Helena West Side’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
Is Helena West Side at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (67%), and Helena West Side’s rate for it is lower than 51% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Helena West Side.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Helena West Side’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.