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St Clair County Missouri courthouse 20191026-6924Photo: Kbh3rd · CC BY 4.0
C+Hazard risk
Natural hazards in Osceola · FEMA

FEMA expects more hazard damage per building in Osceola than in 62% of U.S. towns, mostly from river and rain flooding

On FEMA’s National Risk Index, Osceola gets a C+ for hazard risk: higher expected damage per building than 62% of U.S. towns. Most of that expected damage is river and rain flooding (77%). 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

more than 62%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade
By hazard

What Osceola 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

77%of expected building damage
Above average · higher than 72% of U.S. census tracts
Recorded about 2 times a year in the area

Tornadoes

6%of expected building damage
Above average · higher than 67% of U.S. census tracts
Recorded about once every 9 years in the area
Smaller shares here
 Hail Ice storms top 4% Earthquakes Strong wind Wildfire Winter storms top 3% Hurricanes Lightning Cold waves Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity

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.

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Hazard risk grade

What’s behind Osceola’s grade

River and rain flooding is 77% of the building damage FEMA expects in Osceola, and Osceola’s rate of river and rain flooding damage is higher than 72% of U.S. census tracts. Ice storms add 4%, at a rate in the top 4% of U.S. census tracts.

Where Osceola sits
Osceola
Least damageMiddleMost damage

C+ higher expected damage per building than 62% of U.S. towns (21,298).

All of Osceola’s residents live in one census tract; the figures are that tract’s.

What drives the damage to buildings
River and rain flooding77%Tornadoes6%Hail5%Everything else12%

In dollars, FEMA expects about $491K a year in losses across Osceola: $294K to buildings, the rest to people and crops.

Shared tract.All of Osceola’s 909 residents (2020 census) live in one census tract, which it shares with Vista village (36 residents) and Gerster town (21 residents). FEMA publishes its model by tract, so the rate and the hazard mix are the tract’s, the same for all of them. The flood claims below are the town’s own.
A shared figure. The grade describes the whole tract, not each street in it, and FEMA’s model is an average year for today’s buildings, not a record: the claims below are the record.

How TownRatings grades hazard risk →

Flood insurance claims

Does Osceola flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Osceola. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

What’s been done with FEMA grants
1storm safe room built
Disasters

6 federal disasters brought FEMA money to Osceola

Disasters that paid out in Osceola itself (aid to households or repair grants to the City of Osceola), newest first, with that year’s flood claims.

  1. 2023Severe Storms, Straight-line Winds, Tornadoes, and Flooding$31K to the City of Osceola for repairs
  2. 2019Severe Storms, Tornadoes, and Flooding$37K to the City of Osceola for repairs
  3. 2015Severe Storms, Tornadoes, Straight-line Winds, and Flooding$20K to the City of Osceola for repairs
  4. 2011Severe Winter Storm and Snowstorm$4K to the City of Osceola for repairs
  5. 2007Severe Winter Storms$7K to the City of Osceola for repairs
  6. 2004Severe Storms, Tornadoes, and Flooding10 households applied for aid$25K aid approved
Disasters declared, by decade
Paid out in OsceolaSt. Clair County only

St. Clair County has had 18 natural disasters declared by the President since 1953, most often severe storms, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Were you here?

Old photos of Osceola after a storm or flood belong in the town’s history. Add one, or share what you remember below.

Add to the Osceola archive →
Be ready

Get ready for what Osceola faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • 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.
More from Ready.gov ↗
Tornado warnings
  • 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.
More from Ready.gov ↗
Before you buy or rent
  • 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.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Osceola

Is Osceola at risk for natural disasters?

On FEMA’s National Risk Index, Osceola has higher expected damage per building than 62% of U.S. towns: C+ for hazard risk. Most of the expected damage is river and rain flooding (77%) and tornadoes (6%). 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.

Is Osceola 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.

How much is flood insurance in Osceola?

FEMA’s Community Rating System list shows no discount for Osceola’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 Osceola?

By FEMA money that reached Osceola, Severe Storms, Tornadoes, and Flooding (2019): $37K to the City of Osceola for repairs.

Is Osceola at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (77%), and Osceola’s rate for it is higher than 72% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Osceola.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Osceola’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.