O'Fallon Disaster Risk Score & Hazard Analysis
With a population of 92,697 and a calculated risk score of 89.4, O'Fallon faces unique challenges. This page is a complete hazard risk assessment for O'Fallon, MO. For residents of O'Fallon, life moves at its own pace. Unfortunately, nature can be unpredictable in this region. You should be particularly prepared for heat waves events.
Total Risk Score
The numbers don't lie. O'Fallon sits at a Risk Score of 89.427. This is driven by a combination of factors, most notably Heat Wave and Ice Storm.
Top Hazards for The O'Fallon Area
In the broader context of Missouri's climate, heat waves represent a significant vector of concern for O'Fallon. Furthermore, recent climate normals and historical event data contribute to this elevated score of 98.2. Insulation and sealing drafts can be a lifesaver when a heat wave strains the power grid.
Given the environmental patterns common in Missouri, the potential for ice storms in O'Fallon stands out as a primary factor. Additionally, this score of 98.2 reflects both the frequency and potential severity of events. During these events, checking on elderly neighbors is a critical community responsibility.
Observing the seasonal cycles typical of Missouri, winter weather constitute a major variable in the local quality of life equations. Moreover weighted against regional averages, this score of 97.7 is statistically significant. For new residents, understanding the severity of winter weather in their specific zip code is vital.
Winter Grid Failure Guide
O'Fallon has significant winter storm risk. Learn the thermodynamics of survival when the power goes out.
The Apartment Fortress
Living in O'Fallon? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in O'Fallon
Read the Full Guide →Extreme heat is a silent killer in O'Fallon. It stresses the power grid and the human body. Your survival strategy should revolve around hydration, cooling, and backup power.
Critical Action Checklist
- 1Know the location of your nearest cooling center.
- 2Have a backup power source for fans or medical devices.
- 3Cover windows with reflective material to keep heat out.
- 4Monitor local weather for 'Wet Bulb' temperature warnings.
- 5Store electrolyte powder in your kit, not just plain water.
Essential Gear for O'Fallon
Power
Anker PowerCore 10K
Pocket-sized power to keep your phone alive for emergency calls.
Home
Gorilla Tape (Black)
Heavy-duty tape for emergency repairs, sealing windows, or medical improvisation.
Pets
PetBonus Collapsible Dog Bowls
Collapsible bowls for easy packing. Hydration is critical for pets during stress.
The best insurance against Heat Wave is preparation. Check your kit and ensure you are ready.
View Complete Gear Checklist →Compare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| St. Louis | 93.6 | Choosing between O'Fallon and St. Louis? O'Fallon presents a lower overall risk profile. |
| Kansas City | 93.9 | When compared to Kansas City, O'Fallon is statistically safer. The difference of 4.4 points highlights local geological and meteorological variations. |
| Springfield | 88.3 | When compared to Springfield, O'Fallon is slightly higher risk. The difference of 1.1 points highlights local geological and meteorological variations. |
| Columbia | 82.3 | When compared to Columbia, O'Fallon is slightly higher risk. The difference of 7.1 points highlights local geological and meteorological variations. |
| Independence | 93.9 | Choosing between O'Fallon and Independence? O'Fallon presents a lower overall risk profile. |
Frequently Asked Questions
How common are Heat Waves in O'Fallon?
With a risk score of 98.2 for Heat Wave, O'Fallon is considered highly vulnerable. Residents should have a specific plan for Heat Wave events, which are the primary driver of the city's overall risk profile.
Is O'Fallon safer than other cities in Missouri?
It varies by hazard. While O'Fallon has its own risk profile (Total Score: 89.4), it is generally comparable to the average in Missouri. See our state rankings for a direct comparison.
Should I move to O'Fallon given the risk of Ice Storm?
Every city has risks. The threat of Ice Storm (Score: 98.2) is manageable with proper preparation. The local infrastructure in O'Fallon is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does O'Fallon compare to other cities in Missouri?
See the full Missouri Disaster Rankings to see how O'Fallon stacks up against other cities in the state.