FEMA rates relative cold wave risk for Will County as very high and reports FEMA annualized frequency of 0.933 per year for the area.
FEMA summary
FEMA's profile for Will County reports FEMA annualized frequency of 0.933 per year for cold wave. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Will County.
Cold Wave
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.7/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Will County. It is not an estimate for a home or address.
City risk summary
For Joliet, FEMA rates cold wave risk for Will County as very high, with a relative score of 99.7/100. The next highest relative scores are tornado at 99.2/100 and heat wave at 98.5/100.
Using FEMA data for Will County, Joliet is #5 among 14 covered Illinois entries for cold wave risk. Naperville is about 16 straight-line miles from the Joliet map point; its FEMA figures cover DuPage County.
For homeowners and movers
Preparedness actions
Living in Joliet? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Joliet. All FEMA figures on this page cover Will County.
The FEMA figures cover Will County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative cold wave risk for Will County as very high. Its FEMA annualized frequency is 0.933 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 14 Illinois cities covered by this directory, Joliet is #5 for relative cold wave risk based on FEMA's score for Will County. Homes within Joliet can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Will County, the highest relative ratings are Cold Wave (Very High), Tornado (Very High), and Heat Wave (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Will County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Will County an overall relative risk rating of relatively moderate. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Cold Wave rating | Relative score |
|---|---|---|---|
| Naperville, IL | 16 mi | Relatively High | 95.1 |
| Aurora, IL | 18 mi | Relatively High | 96.0 |
| Cicero, IL | 30 mi | Very High | 100.0 |
| Chicago, IL | 33 mi | Very High | 100.0 |
| Elgin, IL | 37 mi | Relatively High | 96.0 |
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.