ZIP code 57341, covering Gann Valley, SD, has 91 natural disaster events in the historical record. These include 67 hailstorms, 10 tornadoes, and 7 severe wind events. Total documented property damage amounts to $12.3M. A total of 1 injury has been reported across all events.
With 67 recorded incidents (74% of all events), hailstorms are the leading natural hazard for this ZIP code. Of these, 3 (4%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). The most recent recorded hailstorm occurred on Jul 15, 2025.
Gann Valley has experienced 10 tornadoes on record. Tornado-related events have caused a combined $2.7M in documented property damage. The most recent recorded tornado occurred on Jun 18, 2014.
Gann Valley has experienced 7 severe wind events on record. The most recent recorded severe wind event occurred on Aug 16, 2025.
Gann Valley has experienced 6 floods on record. Of these, 6 (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 $9.6M in documented property damage. The most recent recorded flood occurred on Jun 20, 2024.
Gann Valley has experienced 1 wildfire on record. The most recent recorded wildfire occurred on Nov 30, 2022.
The most significant disaster event on record for Gann Valley was Flood on Jun 1, 2019, which caused $9M in property damage. Another major event was EF1 Tornado (Jun 19, 1979), causing $2.5M in damages.
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Based on federal and state records, ZIP code 57341 has experienced 91 natural disaster events. The hazard types affecting this area include hailstorms (67 events), tornadoes (10 events), severe wind events (7 events), floods (6 events), and wildfire (1 event). The primary hazard is hailstorms, which account for 74% of all recorded events.
Hailstorms are the most frequently recorded hazard in Gann Valley, SD, with 67 events documented.
Yes, Gann Valley (ZIP 57341) has 6 recorded flood events. These floods have caused $9.6M in total property damage. The most recent flood on record occurred on Jun 20, 2024.
Gann Valley has 10 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 $2.7M. The most recent tornado was recorded on Jun 18, 2014.
The most damaging natural disaster on record for ZIP code 57341 was Flood, which occurred on Jun 1, 2019. This event caused $9M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $12.3M in property damage in the Gann Valley, SD area (ZIP 57341). 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 →