Whiteside County Disaster Risk
Whiteside County, Illinois
FEMA Risk Rating
Relatively Low
National Percentile
66th
of 3,144 counties
State Rank
#38
of 102 (1 = highest risk)
Flood Risk
70th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 70% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 14% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 78% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 63% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 18% of US counties
Risk Overview
About Natural Disaster Risk in Whiteside County, Illinois
Whiteside faces above-average disaster risk
Whiteside County's composite risk score of 65.81 exceeds both its state average (54.46) and the national median, earning a "Relatively Low" rating despite being 21% above state baseline. This northwest Illinois county experiences notably more natural hazard exposure than most of Illinois.
Among Illinois's higher-risk counties
Whiteside ranks in the upper portion of Illinois counties for disaster risk, placing it well above the state average. The county is notably more exposed than the safest Illinois counties but below the state's true hotspots.
Riskier than most neighbors
Whiteside County's score of 65.81 significantly outpaces nearby Rock Island County and similar northern Illinois neighbors. It trails only the highest-risk counties like Will County (97.26) and Winnebago County (92.37) in its region.
Tornadoes and floods are primary threats
Tornado risk (78.12) and flood risk (70.07) dominate Whiteside County's hazard profile, making severe weather the dominant concern. Earthquake risk (62.66) is moderate, while wildfire and hurricane risks remain relatively low.
Prioritize flood and tornado coverage
Whiteside County residents need robust flood insurance—standard homeowners policies exclude flood damage, and the 70.07 risk score demands coverage. Ensure your policy includes wind/hail damage for the county's elevated tornado threat.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Whiteside County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Whiteside County
Risk Verdict
Natural hazard pressure in Whiteside County is below the national midpoint, with a composite score at the 66th percentile. Proactive emergency planning and awareness of the specific hazards driving Whiteside County's score can meaningfully reduce household risk.
Hazard Breakdown
Tornado risk is Whiteside County's dominant natural hazard, ranked at the 78th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 70th percentile nationally. Additional tracked hazards include earthquake (63th percentile), hurricane (18th percentile), wildfire (14th percentile).
Preparedness Context
With tornado ranked at the 78th percentile nationally, Whiteside County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Flood is the second hazard driver for Whiteside County at the 70th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Whiteside County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.
Regional Context
Whiteside County is 11.3 composite risk points above the Illinois average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.
Is your household prepared for Whiteside County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Whiteside County, IL?
What types of natural hazards affect Whiteside County?
How does Whiteside County risk compare to the Illinois average?
Is Whiteside County at risk for tornado?
How is natural disaster risk measured?
Why is Whiteside County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.