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Natural hazards · Proviso

Proviso, IL natural hazards

Most of the natural-hazard damage FEMA expects in Proviso comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 2,580 claims here since 1978.

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

How exposed is Proviso?

71
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Proviso to be higher than in 71% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding54%Cold waves24%Tornadoes12%Heat waves7%Everything else4%
By hazard

What Proviso faces

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

Inland flooding

54% of expected damage
Well above average · higher than 88% of U.S. places
Recorded about 6 times a year in the area

Cold waves

24% of expected damage
Well below average · higher than 22% of U.S. places
Recorded about 4 times a year in the area

Tornadoes

12% of expected damage
Well above average · higher than 76% of U.S. places

Heat waves

7% of expected damage
Well above average · higher than 77% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesHailIce stormsWinter 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 Proviso flood?

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

2,580paid claims since 1978
$28.5Mpaid to owners
0homes flooded more than once
19782026

Biggest named events

  • Mid-spring storms: 576 claims, $8.5M
  • Hurricane Ike: 206 claims, $1.8M
of homes in flood zones
are insured
of all homes
are insured
No community discount. Proviso isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Cook County.
Disasters that hit Proviso

Federal disasters declared here

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

Brought FEMA money into ProvisoDeclared for Cook County only
Cook County has had 21 natural disasters declared since 1953, most often floods and severe storms.
Around Proviso

Proviso and the towns around it

River Forest: High, mostly inland floodingRiver Forest: High, mostly inland floodingLyons: High, mostly inland floodingYork: Low, mostly inland floodingMaywood: High, mostly inland floodingLa Grange Park: High, mostly inland floodingLa Grange: Moderate, mostly inland floodingLeyden: Moderate, mostly inland floodingNorth Riverside: High, mostly inland floodingMelrose Park: High, mostly inland floodingRiverside: High, mostly inland floodingElmhurst: High, mostly inland floodingForest Park: High, mostly inland floodingPalos: High, mostly inland floodingStickney: High, mostly inland floodingLyons: Very high, mostly inland floodingSummit: High, mostly inland floodingChicago: Moderate, mostly inland floodingRiverside: High, mostly inland floodingForest View: High, mostly inland floodingDowners Grove: Low, mostly inland floodingMilton: Moderate, mostly inland floodingAddison: Low, mostly inland floodingVilla Park: Low, mostly inland floodingOak Brook: Low, mostly inland floodingBerkeley: Moderate, mostly inland floodingWestmont: Very low, mostly inland floodingHinsdale: High, mostly inland floodingNorthlake: High, mostly inland floodingBroadview: High, mostly inland floodingBellwood: Very high, mostly inland floodingBrookfield: High, mostly inland floodingCountryside: Very low, mostly inland floodingRosemont: Low, mostly inland floodingSchiller Park: Moderate, mostly inland floodingFranklin Park: Moderate, mostly inland floodingNorridge: Low, mostly cold wavesMaine: Moderate, mostly inland floodingPark Ridge: Moderate, mostly inland floodingElmwood Park: Moderate, mostly inland floodingDes Plaines: Moderate, mostly inland floodingNorwood Park: Low, mostly inland floodingBerwyn: High, mostly inland floodingBerwyn: High, mostly inland floodingStone Park: Very high, mostly inland floodingRiver Grove: Moderate, mostly inland floodingOakbrook Terrace: Low, mostly inland floodingProviso: High, mostly inland flooding ProvisoRiver ForestRiver ForestLyonsYorkMaywoodLa Grange ParkLa GrangeLeydenNorth RiversideMelrose ParkRiversideElmhurst
Very lowLowModerateHighVery high
La Grange Parkmostly inland floodingHigh
Riversidemostly inland floodingHigh
Provisomostly inland floodingHigh
Maywoodmostly inland floodingHigh
North Riversidemostly inland floodingHigh
River Forestmostly inland floodingHigh
River Forestmostly inland floodingHigh
Lyonsmostly inland floodingHigh
Melrose Parkmostly inland floodingHigh
Elmhurstmostly inland floodingHigh
Leydenmostly inland floodingModerate
La Grangemostly inland floodingModerate
Yorkmostly 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. Proviso covers 34 census tracts, combined by population.
Money that reached townFlood claims are matched to Proviso’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Township of Proviso. 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 Proviso total about $83.7M 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.

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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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