Sister Bay, WI (ZIP 54234) has a moderate disaster history with 19 recorded events. These include 8 hailstorms, 6 severe wind events, and 3 floods. Total documented property damage amounts to $661K. Across all recorded events, 1 death has been attributed to natural disasters in this area.
The dominant hazard type for Sister Bay is hailstorms, with 8 recorded events making up 42% of the area's disaster history. The most recent recorded hailstorm occurred on May 26, 2018.
Sister Bay has experienced 6 severe wind events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for wind-related events here is 4/5 (severe). Wind-related events have caused a combined $431K in documented property damage. The most recent recorded severe wind event occurred on Aug 9, 2025.
Sister Bay has experienced 3 floods on record. Of these, 3 (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 4/5 (severe). Flood-related events have caused a combined $155K in documented property damage. The most recent recorded flood occurred on May 17, 2020.
Sister Bay has experienced 1 blizzard on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 4/5 (severe). Winter storm events have caused a combined $75K in documented property damage. The most recent recorded blizzard occurred on Apr 13, 2018.
Sister Bay has experienced 1 extreme cold event on record. 1 fatality has been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 31, 2023.
The most significant disaster event on record for Sister Bay was 81 mph Thunderstorm Wind on Aug 9, 2025, which caused $431K in property damage.
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Based on federal and state records, ZIP code 54234 has experienced 19 natural disaster events. The hazard types affecting this area include hailstorms (8 events), severe wind events (6 events), floods (3 events), blizzard (1 event), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 42% of all recorded events.
Hailstorms are the most frequently recorded hazard in Sister Bay, WI, with 8 events documented.
Yes, Sister Bay (ZIP 54234) has 3 recorded flood events. These floods have caused $155K in total property damage. The most recent flood on record occurred on May 17, 2020.
The most damaging natural disaster on record for ZIP code 54234 was 81 mph Thunderstorm Wind, which occurred on Aug 9, 2025. This event caused $431K in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $661K in property damage in the Sister Bay, WI area (ZIP 54234). 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 →