ZIP code 57446, covering Hecla, SD, has 55 natural disaster events in the historical record. These include 31 hailstorms, 8 floods, and 6 blizzards. Total documented property damage amounts to $30.8M. These events have resulted in 5 recorded deaths and 10 injuries.
The dominant hazard type for Hecla is hailstorms, with 31 recorded events making up 56% of the area's disaster history. Hail-related events have caused a combined $5M in documented property damage. The most recent recorded hailstorm occurred on Aug 13, 2025.
Hecla has experienced 8 floods on record. Of these, 8 (100%) 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 $25.8M in documented property damage. The most recent recorded flood occurred on Apr 12, 2023.
Hecla has experienced 6 blizzards 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 winter storm events here is 4/5 (severe). 2 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Apr 10, 2013.
Hecla has experienced 4 severe wind events on record. The most recent recorded severe wind event occurred on Jun 11, 2021.
Hecla has experienced 3 extreme cold events on record. 3 fatalities have been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 25, 2018.
Hecla has experienced 3 tornadoes on record. Tornado-related events have caused a combined $2.5K in documented property damage. The most recent recorded tornado occurred on May 22, 2010.
The most significant disaster event on record for Hecla was Flood on Jun 1, 2019, which caused $18.2M in property damage. Another major event was Flood (Jul 1, 2005), causing $6.4M in damages. 1.8" Hail on Jul 20, 2003 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 57446 has experienced 55 natural disaster events. The hazard types affecting this area include hailstorms (31 events), floods (8 events), blizzards (6 events), severe wind events (4 events), extreme cold events (3 events), and tornadoes (3 events). The primary hazard is hailstorms, which account for 56% of all recorded events.
Hailstorms are the most frequently recorded hazard in Hecla, SD, with 31 events documented. These events have caused a combined $5M in property damage.
Yes, Hecla (ZIP 57446) has 8 recorded flood events. These floods have caused $25.8M in total property damage. The most recent flood on record occurred on Apr 12, 2023.
Hecla has 3 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 $2.5K. The most recent tornado was recorded on May 22, 2010.
The most damaging natural disaster on record for ZIP code 57446 was Flood, which occurred on Jun 1, 2019. This event caused $18.2M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $30.8M in property damage in the Hecla, SD area (ZIP 57446). 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 →