Federal records document 64 natural disaster events in the Westby, MT area (ZIP 59275). These include 46 hailstorms, 10 severe wind events, and 3 blizzards. Total documented property damage amounts to $2.9M. These events have resulted in 1 recorded death and 1 injury.
The dominant hazard type for Westby is hailstorms, with 46 recorded events making up 72% of the area's disaster history. The most recent recorded hailstorm occurred on Jun 15, 2025.
Westby has experienced 10 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). The most recent recorded severe wind event occurred on Aug 25, 2024.
Westby has experienced 3 blizzards on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $2.5M in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Dec 15, 2024.
Westby has experienced 3 floods on record. Of these, 2 (67%) 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 $340K in documented property damage. The most recent recorded flood occurred on Jun 1, 2014.
Westby has experienced 1 extreme cold event on record. Cold-related events have caused a combined $25K in documented property damage. The most recent recorded extreme cold event occurred on Jan 18, 2010.
Westby has experienced 1 tornado on record. The most recent recorded tornado occurred on Jul 9, 2018.
The most significant disaster event on record for Westby was Winter Storm on Nov 1, 2000, which caused $2.5M in property damage. Another major event was Flood (Jun 1, 2014), causing $200K in damages.
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Based on federal and state records, ZIP code 59275 has experienced 64 natural disaster events. The hazard types affecting this area include hailstorms (46 events), severe wind events (10 events), blizzards (3 events), floods (3 events), extreme cold event (1 event), and tornado (1 event). The primary hazard is hailstorms, which account for 72% of all recorded events.
Hailstorms are the most frequently recorded hazard in Westby, MT, with 46 events documented.
Yes, Westby (ZIP 59275) has 3 recorded flood events. These floods have caused $340K in total property damage. The most recent flood on record occurred on Jun 1, 2014.
Westby has 1 recorded tornado event in the historical record. The most recent tornado was recorded on Jul 9, 2018.
The most damaging natural disaster on record for ZIP code 59275 was Winter Storm, which occurred on Nov 1, 2000. This event caused $2.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $2.9M in property damage in the Westby, MT area (ZIP 59275). 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 →