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Natural hazards in Farnhamville · FEMA

Farnhamville’s biggest natural hazard is drought

Most of the natural-hazard damage FEMA expects in Farnhamville comes from drought, and overall the risk is low for a U.S. community. 2 federal disasters brought FEMA money into town.

35Low riskLowerHigherExpected storm and flood damage, vs. U.S. communities
Overall risk
Low
higher than 35% of U.S. places
Main hazard
Drought
36% of expected damage
Flood claims
0
none on record
Disasters paid out here
2
of 16 declared for Calhoun County

What stands out about Farnhamville’s weather risks

Read from FEMA’s records below. The page puts what stands out first.

★ What stands out · Flood insurance claims

Does Farnhamville flood? No paid flood claims on record

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

of homes in flood zones are insured
of all homes are insured
No community discount

Farnhamville isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Calhoun County.
Expected damage

How exposed is Farnhamville?

FEMA expects yearly storm and flood damage to homes and buildings here to be higher than in 35% of U.S. communities, mostly from drought and hail.

Where Farnhamville sits
Farnhamville
Very lowLowModerateHighVery high

Calmer than 853 of the 1,026 Iowa towns we cover.

Farnhamville is smaller than a census tract, so it shares the figures of the tract around its center.

What drives the damage
Drought36%Hail18%Tornadoes17%Inland flooding12%Cold waves9%Strong wind6%Everything else2%
By hazard

What Farnhamville faces

Each hazard’s share of the damage FEMA expects here, and how it compares with the rest of the country.

Drought

36%of expected damage
Recorded about 18 times a year in the area

Hail

18%of expected damage
Well above average · higher than 82% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

17%of expected damage
Well above average · among the top 1% of U.S. places
Recorded about once every 5 years in the area

Inland flooding

12%of expected damage
Below average · higher than 25% of U.S. places
Recorded about 2 times a year in the area

Cold waves

9%of expected damage
Well above average · higher than 81% of U.S. places
Recorded about 9 times a year in the area

Strong wind

6%of expected damage
Well above average · higher than 95% of U.S. places
Recorded about 5 times a year in the area
Lower here
🌀 Hurricanes🧊 Ice storms❄️ Winter weather🌡️ Heat waves🔥 Wildfire🏚️ Earthquakes⛰️ Landslides⚡ Lightning
Not a risk here
Coastal floodingAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Storms remembered

2 federal disasters brought FEMA money to Farnhamville

Disasters that paid out in Farnhamville itself (aid to households or repair grants to the City of Farnhamville) and its biggest flood years.

  1. 2010Severe Storms, Flooding, and Tornadoes13 households applied for aid$5K aid approved$4K to the City of Farnhamville for repairs
  2. 2004Severe Storms, Tornadoes, and Flooding7 households applied for aid$7K aid approved
Disasters declared, by decade
Paid out in FarnhamvilleCalhoun County only

Calhoun County has had 16 natural disasters declared since 1953, most often severe storms and floods.

Were you here?

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

Add to the Farnhamville archive →
Be ready

Get ready for what Farnhamville actually faces

A short kit for its top hazards, what to check before you buy, and where neighbors get alerts.

Drought
  • On a well? Know how deep it is and watch for sputtering.
  • Follow the town’s watering limits.
  • Fix drips: they add up.
More from Ready.gov ↗
Hail
  • Park in a garage or under cover when storms are forecast.
  • Stay away from windows while it falls.
  • Photograph roof and car damage for your insurer.
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.

Storm season

Most disasters here begin in April–June

The month each of Calhoun County’s 16 declared disasters began, since 1953.

1J
1F
1M
2A
3M
2J
1J
2A
S
1O
N
2D
Severe stormsFloodsHurricanesIce stormsTornadoes
How to read this page

What these numbers can and can’t tell you

  • An average, not a forecast. FEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
  • Compared by rate. “Higher than N%” compares yearly damage as a share of what’s there, so a big city isn’t rated riskier just for having more buildings.
  • Money that reached town. Flood claims are matched to Farnhamville’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Farnhamville.
  • It follows property value. FEMA’s model weighs damage to buildings, so a place that recently lost many homes can rate lower than it feels.

Storm stories

Memories, warnings and help from neighbors in Farnhamville.

Town Square →
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Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau. Preparedness tips: Ready.gov. An average of past damage, not a forecast.

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