Thornton, CO (ZIP 80229) sits in one of the more disaster-active areas in the region, with 224 natural disaster events on record. These include 203 hailstorms, 8 floods, and 6 tornadoes. Total documented property damage amounts to $158.3M. A total of 42 injuries have been reported across all events.
Hailstorms represent the most common natural hazard in this area, accounting for 91% of all recorded events (203 total). Hail-related events have caused a combined $131M in documented property damage. The most recent recorded hailstorm occurred on Jun 17, 2025.
Thornton has experienced 8 floods on record. Of these, 4 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $1.8M in documented property damage. The most recent recorded flood occurred on Jun 29, 2023.
Thornton has experienced 6 tornadoes on record. Tornado-related events have caused a combined $25.5M in documented property damage. The most recent recorded tornado occurred on Jun 22, 1997.
Thornton has experienced 3 earthquakes on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for seismic events here is 4/5 (severe). The most recent recorded earthquake occurred on Apr 2, 1981.
Thornton has experienced 3 severe wind events on record. The most recent recorded severe wind event occurred on Jun 18, 2013.
Thornton has experienced 1 wildfire on record. The most recent recorded wildfire occurred on Aug 26, 2016.
The most significant disaster event on record for Thornton was 1.2" Hail on May 22, 1996, which caused $120M in property damage. Another major event was EF2 Tornado (Jun 3, 1981), causing $25M in damages. 2" Hail on Jun 20, 2001 also caused significant damage ($10M).
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Based on federal and state records, ZIP code 80229 has experienced 224 natural disaster events. The hazard types affecting this area include hailstorms (203 events), floods (8 events), tornadoes (6 events), earthquakes (3 events), severe wind events (3 events), and wildfire (1 event). The primary hazard is hailstorms, which account for 91% of all recorded events.
Hailstorms are the most frequently recorded hazard in Thornton, CO, with 203 events documented. These events have caused a combined $131M in property damage.
Yes, Thornton (ZIP 80229) has 8 recorded flood events. These floods have caused $1.8M in total property damage. The most recent flood on record occurred on Jun 29, 2023.
Thornton has 6 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. Total property damage from tornadoes in this area is $25.5M. The most recent tornado was recorded on Jun 22, 1997.
The most damaging natural disaster on record for ZIP code 80229 was 1.2" Hail, which occurred on May 22, 1996. This event caused $120M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $158.3M in property damage in the Thornton, CO area (ZIP 80229). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →