Florissant, MO (ZIP 63033) has experienced 197 recorded natural disaster events based on federal and state agency records. These include 83 extreme heat events, 73 hailstorms, and 16 tornadoes. Total documented property damage amounts to $503.6M. These events have resulted in 43 recorded deaths and 3,112 injuries.
With 83 recorded incidents (42% of all events), extreme heat events are the leading natural hazard for this ZIP code. Of these, 74 (89%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 41 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Aug 16, 2025.
Hailstorms account for 37% of the disaster record here, with 73 events documented. Hail-related events have caused a combined $450.5M in documented property damage. The most recent recorded hailstorm occurred on May 19, 2025.
There have been 16 recorded tornadoes in this area, representing 8% of all disaster events. Of these, 4 (25%) 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 $9M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on Mar 14, 2025.
There have been 16 recorded severe wind events in this area, representing 8% of all disaster events. Wind-related events have caused a combined $30K in documented property damage. The most recent recorded severe wind event occurred on Mar 14, 2025.
Florissant has experienced 5 floods on record. Of these, 3 (60%) 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 4/5 (severe). Flood-related events have caused a combined $271K in documented property damage. The most recent recorded flood occurred on Nov 4, 2024.
Florissant has experienced 3 blizzards on record. Of these, 3 (100%) 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 $43.8M in documented property damage. The most recent recorded blizzard occurred on Jan 12, 2007.
The most significant disaster event on record for Florissant was 1.5" Hail on Apr 10, 2001, which caused $300M in property damage. Another major event was 2.8" Hail (Apr 10, 2001), causing $100M in damages. 1.8" Hail on Apr 10, 2001 also caused significant damage ($50M).
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Based on federal and state records, ZIP code 63033 has experienced 197 natural disaster events. The hazard types affecting this area include extreme heat events (83 events), hailstorms (73 events), tornadoes (16 events), severe wind events (16 events), floods (5 events), blizzards (3 events), and extreme cold event (1 event). The primary hazard is extreme heat events, which account for 42% of all recorded events.
Extreme heat events are the most frequently recorded hazard in Florissant, MO, with 83 events documented.
Yes, Florissant (ZIP 63033) has 5 recorded flood events. These floods have caused $271K in total property damage. The most recent flood on record occurred on Nov 4, 2024.
Florissant has 16 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 $9M. The most recent tornado was recorded on Mar 14, 2025.
The most damaging natural disaster on record for ZIP code 63033 was 1.5" Hail, which occurred on Apr 10, 2001. This event caused $300M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $503.6M in property damage in the Florissant, MO area (ZIP 63033). 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 →