Natural hazards · Los Altos

Los Altos, TX natural hazards

Most of the natural-hazard damage FEMA expects in Los Altos comes from inland flooding, and overall the risk is very low for a U.S. community.

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

Expected damage

How exposed is Los Altos?

Very low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Los Altos to be higher than in 10% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding49%Cold waves19%Heat waves16%Hurricanes6%Everything else11%

By hazard

What Los Altos faces

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

Inland flooding

49% of expected damage

Below average · higher than 27% of U.S. places

Recorded about 3 times a year in the area

Cold waves

19% of expected damage

Well above average · higher than 92% of U.S. places

Recorded about once a year in the area

Heat waves

16% of expected damage

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

Recorded about 10 times a year in the area

Hurricanes

6% of expected damage

Above average · higher than 69% of U.S. places

Recorded about once every 17 years in the area

Lower here

TornadoesHailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Los Altos flood?

FEMA's records show no paid flood insurance claims in Los Altos.

of homes in flood zones
are insured

of all homes
are insured

No community discount. Los Altos isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Webb County.

Disasters that hit Los Altos

Federal disasters declared here

None of the disasters declared for Webb County shows FEMA aid or repair money reaching Los Altos itself in FEMA’s records.

Brought FEMA money into Los AltosDeclared for Webb County only

Webb County has had 19 natural disasters declared since 1953, most often hurricanes and floods.

Around Los Altos

Los Altos and the towns around it

Very lowLowModerateHighVery high

Laredomostly inland floodingVery low

Los Altosmostly inland floodingVery low

Tanquecitos South Acresmostly inland floodingVery low

Tanquecitos South Acres IImostly inland floodingVery low

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. Los Altos 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 Los Altos’s own flood-insurance community; household aid to the registrant’s city; repair grants to Los Altos. 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.