Whiteside County, Illinois: hazard risk

FEMA rates Whiteside County's overall risk Relatively Low (score 65.8 of 100, higher than 65% of rated U.S. counties); 1 of its 14 hazards are rated Relatively High or Very High, led by strong wind. Its storm record holds 794 events since 1950.

FEMA's rating for each hazard

These are FEMA's county-wide model ratings and this county's storm record. They are not an assessment of any property, address or building, and not insurance advice: a property's risk depends on its own elevation, construction and location.

FEMA gives each hazard its own rating, and a rating does not follow the score from one hazard to the next: a hazard with a higher score can carry a lower rating than another. The table sorts by FEMA's rating, then by score (0 to 100, the county against every other county for that hazard).

National Risk Index (December 2025), Whiteside County, by FEMA's rating, then score
HazardRisk ratingScoreExpected annual loss
Strong WindRelatively High85.4$1.6M
DroughtRelatively Moderate86.8$1.3M
HailRelatively Moderate84.3$1.1M
TornadoRelatively Moderate78.1$3.5M
Cold WaveRelatively Moderate76.3$2.8M
Ice StormRelatively Moderate68.9$203K
Winter WeatherRelatively Moderate68.6$120K
Riverine FloodingRelatively Low70.1$13M
EarthquakeRelatively Low62.7$518K
LightningRelatively Low50.4$231K
Heat WaveRelatively Low50.2$368K
LandslideVery Low58.8$2K
HurricaneVery Low18.4$5K
WildfireVery Low14.1$5K

Source: FEMA National Risk Index, December 2025 release. A model of future loss, not a count of past events. FEMA's National Risk Index map.

What the record holds

Storm records by hazard, with the county's rank by days with a record per 1,000 sq mi over each hazard's complete period
HazardRecordsDeathsDamageRank in stateRank in U.S.
Severe thunderstorm wind2760$1.5M56th of 1021195th of 3,080
Hail1630$313K40th of 1021019th of 3,080
Winter storms1490$17K32nd of 102621st of 3,077
Floods620$6.3M51st of 102997th of 3,080
Tornadoes430$15M34th of 102484th of 3,080
Extreme cold230$499K41st of 102764th of 3,076
High wind and dust storms220$221K54th of 1021531st of 3,080
Drought150$33M59th of 1021572nd of 3,063
Heavy rain80$3K33rd of 102858th of 3,080
Heat40–101st of 1021804th of 3,076
Lightning30$334K50th of 1021328th of 3,080

Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.

The full Whiteside County record: every hazard by year and month, the deadliest events and FEMA's declarations.

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