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Natural hazards · Windham

Windham, NH natural hazards

Most of the natural-hazard damage FEMA expects in Windham comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 4 claims here since 1987. 15 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Windham?

29
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Windham to be higher than in 29% of U.S. communities, mostly from inland flooding.

Inland flooding70%Hurricanes7%Tornadoes7%Earthquakes5%Everything else11%
By hazard

What Windham faces

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

Inland flooding

70% of expected damage
Above average · higher than 50% of U.S. places
Recorded about once a year in the area

Hurricanes

7% of expected damage
Above average · higher than 71% of U.S. places
Recorded about once every 8 years in the area

Tornadoes

7% of expected damage
Well below average · higher than 24% of U.S. places

Earthquakes

5% of expected damage
Above average · higher than 62% of U.S. places

Lower here

HailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightningDrought

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.
Flood insurance claims

Does Windham flood?

Every paid claim on a federal flood insurance policy in Windham, from FEMA’s records.

4paid claims since 1987
$50Kpaid to owners
0homes flooded more than once
19872026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Windham isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Rockingham County.
Disasters that hit Windham

15 federal disasters brought FEMA money here

Disasters the President declared that paid out in Windham itself: aid to households, or repair grants to the Town of Windham.

Brought FEMA money into WindhamDeclared for Rockingham County only
2018

Severe Winter Storm and Snowstorm

$37K to the Town of Windham for repairs
2018

Severe Storm and Flooding

$45K to the Town of Windham for repairs
2015

Severe Winter Storm and Snowstorm

$23K to the Town of Windham for repairs
2013

Severe Winter Storm and Snowstorm

$37K to the Town of Windham for repairs
2012

Hurricane Sandy

$10K to the Town of Windham for repairs
2011

Severe Storm and Snowstorm

$46K to the Town of Windham for repairs
2010

Severe Storms and Flooding

$7K to the Town of Windham for repairs
2010

Severe Winter Storm

$25K to the Town of Windham for repairs
2008

Severe Winter Storm

$106K to the Town of Windham for repairs
2007

Severe Storms and Flooding

4 households applied for aid $2K aid approved $5K to the Town of Windham for repairs
2006

Severe Storms and Flooding

78 households applied for aid $141K aid approved $9K to the Town of Windham for repairs
2005

Record Snow

$17K to the Town of Windham for repairs
2005

Record And/Or Near Record Snow

$21K to the Town of Windham for repairs
2003

Snow

$15K to the Town of Windham for repairs
2001

Snow

$24K to the Town of Windham for repairs
Rockingham County has had 30 natural disasters declared since 1953, most often severe storms and floods.
Around Windham

Windham and the towns around it

Londonderry: Low, mostly inland floodingHudson: Moderate, mostly inland floodingPelham: High, mostly inland floodingSalem: Moderate, mostly inland floodingDerry: Moderate, mostly inland floodingManchester: Moderate, mostly inland floodingNashua: Moderate, mostly inland floodingLitchfield: Moderate, mostly inland floodingDracut: Moderate, mostly inland floodingMethuen: Low, mostly inland floodingAtkinson: Low, mostly inland floodingSandown: Low, mostly inland floodingHampstead: Very low, mostly inland floodingChester: Moderate, mostly inland floodingWindham: Low, mostly inland flooding WindhamLondonderryHudsonPelhamSalemDerry
Very lowLowModerateHighVery high
Pelhammostly inland floodingHigh
Hudsonmostly inland floodingModerate
Derrymostly inland floodingModerate
Salemmostly inland floodingModerate
Londonderrymostly inland floodingLow
Windhammostly inland floodingLow
About these numbers

How to read this page

An average, not a forecastFEMA’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 here, so a big city isn’t rated riskier just for having more buildings. Windham covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to Windham’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Windham. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Windham total about $3.8M a year, counting buildings, people and crops.

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.

The coffee’s on

Where to, neighbor?

You’re in Windham, NHRockingham CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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