ZIP code 78503, covering Mcallen, TX, has 76 natural disaster events in the historical record. These include 46 hailstorms, 11 floods, and 7 severe wind events. Total documented property damage amounts to $48.8M. These events have resulted in 1 recorded death and 2 injuries.
The dominant hazard type for Mcallen is hailstorms, with 46 recorded events making up 61% of the area's disaster history. Of these, 4 (9%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). Hail-related events have caused a combined $16.5K in documented property damage. The most recent recorded hailstorm occurred on May 8, 2025.
There have been 11 recorded floods in this area, representing 14% of all disaster events. Of these, 7 (64%) 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 $42.4M in documented property damage. The most recent recorded flood occurred on May 16, 2020.
Mcallen has experienced 7 severe wind events on record. Wind-related events have caused a combined $735K in documented property damage. The most recent recorded severe wind event occurred on Apr 28, 2023.
Mcallen has experienced 6 tornadoes on record. Tornado-related events have caused a combined $625K in documented property damage. The most recent recorded tornado occurred on Jun 30, 2011.
Mcallen has experienced 3 wildfires on record. The most recent recorded wildfire occurred on Sep 3, 2023.
Mcallen has experienced 2 extreme cold events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for cold-related events here is 5/5 (extreme). Cold-related events have caused a combined $5M in documented property damage. 1 fatality has been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Dec 7, 2017.
The most significant disaster event on record for Mcallen was Flash Flood on Jun 19, 2015, which caused $23M in property damage. Another major event was Flood (Oct 13, 2003), causing $9M in damages. Flash Flood on Mar 29, 2012 also caused significant damage ($5M).
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Based on federal and state records, ZIP code 78503 has experienced 76 natural disaster events. The hazard types affecting this area include hailstorms (46 events), floods (11 events), severe wind events (7 events), tornadoes (6 events), wildfires (3 events), extreme cold events (2 events), and blizzard (1 event). The primary hazard is hailstorms, which account for 61% of all recorded events.
Hailstorms are the most frequently recorded hazard in Mcallen, TX, with 46 events documented. These events have caused a combined $16.5K in property damage.
Yes, Mcallen (ZIP 78503) has 11 recorded flood events. These floods have caused $42.4M in total property damage. The most recent flood on record occurred on May 16, 2020.
Mcallen has 6 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $625K. The most recent tornado was recorded on Jun 30, 2011.
The most damaging natural disaster on record for ZIP code 78503 was Flash Flood, which occurred on Jun 19, 2015. This event caused $23M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $48.8M in property damage in the Mcallen, TX area (ZIP 78503). 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 →