Federal records document 77 natural disaster events in the Keystone, IA area (ZIP 52249). These include 48 hailstorms, 10 severe wind events, and 9 tornadoes. Total documented property damage amounts to $6.1M. These events have resulted in 1 recorded death and 1 injury.
The dominant hazard type for Keystone is hailstorms, with 48 recorded events making up 62% of the area's disaster history. Hail-related events have caused a combined $574K in documented property damage. The most recent recorded hailstorm occurred on Jul 13, 2023.
Keystone 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). Wind-related events have caused a combined $1.5M in documented property damage. The most recent recorded severe wind event occurred on Aug 10, 2020.
Keystone has experienced 9 tornadoes on record. Of these, 2 (22%) 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 4/5 (severe). Tornado-related events have caused a combined $1.1M in documented property damage. The most recent recorded tornado occurred on Jul 11, 2025.
Keystone has experienced 8 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 $2.1M in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 20, 2008.
Keystone has experienced 1 extreme cold event on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for cold-related events here is 4/5 (severe). Cold-related events have caused a combined $759K in documented property damage. The most recent recorded extreme cold event occurred on May 3, 2005.
Keystone has experienced 1 flood on record. Flood-related events have caused a combined $10K in documented property damage. The most recent recorded flood occurred on Aug 27, 2009.
The most significant disaster event on record for Keystone was Ice Storm on Feb 24, 2007, which caused $2.1M in property damage. Another major event was 120 mph Thunderstorm Wind (Jul 11, 2011), causing $1M in damages. Frost/Freeze on May 3, 2005 also caused significant damage ($759K).
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Based on federal and state records, ZIP code 52249 has experienced 77 natural disaster events. The hazard types affecting this area include hailstorms (48 events), severe wind events (10 events), tornadoes (9 events), blizzards (8 events), extreme cold event (1 event), and flood (1 event). The primary hazard is hailstorms, which account for 62% of all recorded events.
Hailstorms are the most frequently recorded hazard in Keystone, IA, with 48 events documented. These events have caused a combined $574K in property damage.
Yes, Keystone (ZIP 52249) has 1 recorded flood event. These floods have caused $10K in total property damage. The most recent flood on record occurred on Aug 27, 2009.
Keystone has 9 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 4/5 on the normalized scale. Total property damage from tornadoes in this area is $1.1M. The most recent tornado was recorded on Jul 11, 2025.
The most damaging natural disaster on record for ZIP code 52249 was Ice Storm, which occurred on Feb 24, 2007. This event caused $2.1M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $6.1M in property damage in the Keystone, IA area (ZIP 52249). 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 →