Government agency data shows 18 natural disaster events for ZIP 57346 in Stephan, SD. These include 14 hailstorms, 2 severe wind events, and 1 earthquake.
Hailstorms represent the most common natural hazard in this area, accounting for 78% of all recorded events (14 total). The most recent recorded hailstorm occurred on Jul 28, 2025.
Stephan has experienced 2 severe wind events on record. The most recent recorded severe wind event occurred on Jul 14, 2024.
Stephan has experienced 1 earthquake on record. The most recent recorded earthquake occurred on Mar 4, 1983.
Stephan has experienced 1 tornado on record. The most recent recorded tornado occurred on Jun 18, 2014.
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Based on federal and state records, ZIP code 57346 has experienced 18 natural disaster events. The hazard types affecting this area include hailstorms (14 events), severe wind events (2 events), earthquake (1 event), and tornado (1 event). The primary hazard is hailstorms, which account for 78% of all recorded events.
Hailstorms are the most frequently recorded hazard in Stephan, SD, with 14 events documented.
Stephan has 1 recorded tornado event in the historical record. The most recent tornado was recorded on Jun 18, 2014.
The most damaging natural disaster on record for ZIP code 57346 was 1.5" Hail, which occurred on Jul 28, 2025. It was rated at severity level 2/5.
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 →