ZIP code 56180, covering Walnut Grove, MN, has 75 natural disaster events in the historical record. These include 54 hailstorms, 11 tornadoes, and 6 severe wind events. Total documented property damage amounts to $8.9M. These events have resulted in 1 recorded death and 2 injuries.
With 54 recorded incidents (72% of all events), hailstorms are the leading natural hazard for this ZIP code. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). Hail-related events have caused a combined $1.6M in documented property damage. The most recent recorded hailstorm occurred on Aug 27, 2025.
There have been 11 recorded tornadoes in this area, representing 15% of all disaster events. Of these, 3 (27%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 5/5 (extreme). Tornado-related events have caused a combined $3M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on Jun 25, 2010.
Walnut Grove has experienced 6 severe wind events on record. Wind-related events have caused a combined $3.1M in documented property damage. The most recent recorded severe wind event occurred on Dec 15, 2021.
Walnut Grove has experienced 2 floods on record. Of these, 2 (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 $222K in documented property damage. The most recent recorded flood occurred on Mar 13, 2019.
Walnut Grove has experienced 1 extreme cold event on record. Cold-related events have caused a combined $20K in documented property damage. The most recent recorded extreme cold event occurred on Apr 10, 2012.
Walnut Grove has experienced 1 extreme heat event on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). Heat-related events have caused a combined $1M in documented property damage. The most recent recorded extreme heat event occurred on Jul 18, 2011.
The most significant disaster event on record for Walnut Grove was 100 mph Thunderstorm Wind on Jul 1, 2011, which caused $3M in property damage. Another major event was EF5 Tornado (Jun 13, 1968), causing $2.5M in damages. 4" Hail on Jul 13, 1997 also caused significant damage ($1.4M).
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Based on federal and state records, ZIP code 56180 has experienced 75 natural disaster events. The hazard types affecting this area include hailstorms (54 events), tornadoes (11 events), severe wind events (6 events), floods (2 events), extreme cold event (1 event), and extreme heat event (1 event). The primary hazard is hailstorms, which account for 72% of all recorded events.
Hailstorms are the most frequently recorded hazard in Walnut Grove, MN, with 54 events documented. These events have caused a combined $1.6M in property damage.
Yes, Walnut Grove (ZIP 56180) has 2 recorded flood events. These floods have caused $222K in total property damage. The most recent flood on record occurred on Mar 13, 2019.
Walnut Grove has 11 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 5/5 on the normalized scale. Total property damage from tornadoes in this area is $3M. The most recent tornado was recorded on Jun 25, 2010.
The most damaging natural disaster on record for ZIP code 56180 was 100 mph Thunderstorm Wind, which occurred on Jul 1, 2011. This event caused $3M in documented property damage. It was rated at severity level 3/5.
Natural disasters have caused a documented total of $8.9M in property damage in the Walnut Grove, MN area (ZIP 56180). 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 →