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Natural hazards · Granby

Granby, MO natural hazards

Most of the natural-hazard damage FEMA expects in Granby comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 4 claims here since 2017. 8 federal disasters brought FEMA money into town.

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

How exposed is Granby?

63
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Granby to be higher than in 63% of U.S. communities, mostly from inland flooding and tornadoes.

Inland flooding48%Tornadoes17%Heat waves9%Cold waves6%Ice storms5%Everything else16%
By hazard

What Granby faces

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

Inland flooding

48% of expected damage
Above average · higher than 72% of U.S. places
Recorded about 5 times a year in the area

Tornadoes

17% of expected damage
Above average · higher than 73% of U.S. places
Recorded about once every 20 years in the area

Heat waves

9% of expected damage
Well above average · higher than 91% of U.S. places
Recorded about 15 times a year in the area

Cold waves

6% of expected damage
Below average · higher than 44% of U.S. places
Recorded about 2 times a year in the area

Ice storms

5% of expected damage
Well above average · higher than 98% of U.S. places
Recorded about once a year in the area

Lower here

HurricanesHailWinter weatherWildfireEarthquakesLandslidesStrong 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 Granby flood?

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

4paid claims since 2017
$147Kpaid to owners
1homes flooded more than once
20172026

Biggest named events

  • Late spring severe storms: 2 claims, $102K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Granby isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Newton County.

What’s been done with FEMA grants

1storm safe rooms built
Disasters that hit Granby

8 federal disasters brought FEMA money here

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

Brought FEMA money into GranbyDeclared for Newton County only
2019

Severe Storms, Tornadoes, and Flooding

3 households applied for aid $2K aid approved
2017

Severe Storms, Tornadoes, Straight-Line Winds and Flooding

33 households applied for aid $152K aid approved $26K to the City of Granby for repairs
2015

Severe Storms, Tornadoes, Straight-Line Winds, and Flooding

5 households applied for aid
2011

Severe Storms, Tornadoes, and Flooding

13 households applied for aid $15K aid approved
2011

Severe Winter Storm and Snowstorm

$3K to the City of Granby for repairs
2008

Severe Storms and Tornadoes

112 households applied for aid $489K aid approved
2008

Severe Storms and Flooding

13 households applied for aid $362 aid approved
2007

Severe Winter Storms and Flooding

$33K to the City of Granby for repairs
Newton County has had 24 natural disasters declared since 1953, most often severe storms and floods.
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. Granby is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Granby’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Granby. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

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.

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