Denison, TX (ZIP 75021) has experienced 156 recorded natural disaster events based on federal and state agency records. These include 103 hailstorms, 18 floods, and 14 blizzards. Total documented property damage amounts to $18M. These events have resulted in 3 recorded deaths and 102 injuries.
The dominant hazard type for Denison is hailstorms, with 103 recorded events making up 66% of the area's disaster history. Of these, 3 (3%) 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 $198K in documented property damage. The most recent recorded hailstorm occurred on Sep 23, 2025.
There have been 18 recorded floods in this area, representing 12% of all disaster events. Of these, 7 (39%) 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 $926K in documented property damage. The most recent recorded flood occurred on Aug 30, 2025.
There have been 14 recorded blizzards in this area, representing 9% of all disaster events. Of these, 11 (79%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $8.4M in documented property damage. 2 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Feb 9, 2021.
There have been 11 recorded severe wind events in this area, representing 7% of all disaster events. Wind-related events have caused a combined $350K in documented property damage. The most recent recorded severe wind event occurred on Apr 26, 2016.
Denison 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 $4.3M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on May 10, 2015.
Denison 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 5/5 (extreme). Cold-related events have caused a combined $3.8M in documented property damage. The most recent recorded extreme cold event occurred on Feb 14, 2021.
The most significant disaster event on record for Denison was Winter Storm on Dec 5, 2013, which caused $7M in property damage. Another major event was Extreme Cold/Wind Chill (Feb 14, 2021), causing $3.8M in damages. EF3 Tornado on Apr 6, 1955 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 75021 has experienced 156 natural disaster events. The hazard types affecting this area include hailstorms (103 events), floods (18 events), blizzards (14 events), severe wind events (11 events), tornadoes (9 events), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 66% of all recorded events.
Hailstorms are the most frequently recorded hazard in Denison, TX, with 103 events documented. These events have caused a combined $198K in property damage.
Yes, Denison (ZIP 75021) has 18 recorded flood events. These floods have caused $926K in total property damage. The most recent flood on record occurred on Aug 30, 2025.
Denison 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 $4.3M. The most recent tornado was recorded on May 10, 2015.
The most damaging natural disaster on record for ZIP code 75021 was Winter Storm, which occurred on Dec 5, 2013. This event caused $7M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $18M in property damage in the Denison, TX area (ZIP 75021). 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 →