ZIP code 51104, covering Sioux City, IA, has 107 natural disaster events in the historical record. These include 83 hailstorms, 8 severe wind events, and 6 floods. Total documented property damage amounts to $50.1M. These events have resulted in 3 recorded deaths and 8 injuries.
The dominant hazard type for Sioux City is hailstorms, with 83 recorded events making up 78% of the area's disaster history. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). Hail-related events have caused a combined $23.4M in documented property damage. The most recent recorded hailstorm occurred on Jun 12, 2024.
Sioux City has experienced 8 severe wind events on record. Wind-related events have caused a combined $16.1M in documented property damage. The most recent recorded severe wind event occurred on May 12, 2022.
Sioux City has experienced 6 floods on record. Of these, 3 (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 $5.5M in documented property damage. The most recent recorded flood occurred on Jun 21, 2024.
Sioux City has experienced 5 tornadoes on record. Of these, 2 (40%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 4/5 (severe). Tornado-related events have caused a combined $5.1M in documented property damage. The most recent recorded tornado occurred on May 22, 1975.
Sioux City has experienced 4 blizzards on record. Of these, 2 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $145K in documented property damage. 2 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Nov 9, 2020.
Sioux City has experienced 1 extreme heat event on record. 1 fatality has been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jul 28, 1999.
The most significant disaster event on record for Sioux City was 1.8" Hail on Jul 16, 1996, which caused $22.5M in property damage. Another major event was 81 mph Thunderstorm Wind (Jul 16, 1996), causing $6M in damages. 93 mph Thunderstorm Wind on Jul 20, 2008 also caused significant damage ($5M).
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Based on federal and state records, ZIP code 51104 has experienced 107 natural disaster events. The hazard types affecting this area include hailstorms (83 events), severe wind events (8 events), floods (6 events), tornadoes (5 events), blizzards (4 events), and extreme heat event (1 event). The primary hazard is hailstorms, which account for 78% of all recorded events.
Hailstorms are the most frequently recorded hazard in Sioux City, IA, with 83 events documented. These events have caused a combined $23.4M in property damage.
Yes, Sioux City (ZIP 51104) has 6 recorded flood events. These floods have caused $5.5M in total property damage. The most recent flood on record occurred on Jun 21, 2024.
Sioux City has 5 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 4/5 on the normalized scale. Total property damage from tornadoes in this area is $5.1M. The most recent tornado was recorded on May 22, 1975.
The most damaging natural disaster on record for ZIP code 51104 was 1.8" Hail, which occurred on Jul 16, 1996. This event caused $22.5M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $50.1M in property damage in the Sioux City, IA area (ZIP 51104). 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 →