Greeley Disaster Risk Score & Hazard Analysis
With a population of 143,554 and a calculated risk score of 84.3, Greeley faces unique challenges. This page is a complete hazard risk assessment for Greeley, CO. Calling Greeley home means understanding its environment. While often overlooked, the local hazard data is clear. The numbers show a clear susceptibility to river flooding.
Total Risk Score
Our algorithm assigns Greeley a Risk Score of 84.262 out of 100. This score is heavily influenced by the high probability of River Flooding and Tornado.
Top Hazards for The Greeley Area
Within the specific ecosystem of Colorado, river flooding frequency is a defining characteristic of the local hazard profile. As a result, historical probability models result in a localized score of 97.7/100. Residents in low-lying zones should have evacuation routes mapped out well in advance.
In the broader context of Colorado's climate, tornadoes represent a significant vector of concern for Greeley. Furthermore, recent climate normals and historical event data contribute to this elevated score of 96.3. Insulation and sealing drafts can be a lifesaver when a tornado strains the power grid.
Comparisons of local data to the rest of Colorado reveal, Greeley faces a critical challenge with lightning events. In light of this, with a calculated Risk Score of 91.2, this hazard ranks among the top concerns. Identifying a safe, windowless interior room is part of basic move-in preparation here.

The Apartment Fortress
Living in Greeley? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Greeley
Read the Full Guide →General preparedness is critical for Greeley. While specific risks vary, the fundamentals of survival—water, food, and information—remain the same.
Critical Action Checklist
- 1Keep a physical map of the local area in case GPS fails.
- 2Maintain a 3-day supply of non-perishable food and water.
- 3Have a first aid kit and a supply of prescription medications.
- 4Keep a battery-powered radio to stay informed during power outages.
- 5Establish a family communication plan for when cell towers are down.
Essential Gear for Greeley

Water
Sawyer Products Mini Water Filtration System
Filters up to 100,000 gallons. Essential when tap water is compromised.

Power
Anker PowerCore 10K
Pocket-sized power to keep your phone alive for emergency calls.

Power
Petzl Actik Core Headlamp
600 lumens and rechargeable. Hands-free lighting is critical during power outages.
Your safety depends on your readiness. Start building your emergency kit for River Flooding now.
View Complete Gear Checklist →Compare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| Denver | 90.3 | Denver and Greeley share similar regional risks, but our data gives Greeley the edge in overall safety. |
| Colorado Springs | 91.0 | When compared to Colorado Springs, Greeley is statistically safer. The difference of 6.7 points highlights local geological and meteorological variations. |
| Aurora | 91.8 | Aurora and Greeley share similar regional risks, but our data gives Greeley the edge in overall safety. |
| Fort Collins | 90.9 | Fort Collins and Greeley share similar regional risks, but our data gives Greeley the edge in overall safety. |
| Lakewood | 92.5 | Choosing between Greeley and Lakewood? Greeley presents a lower overall risk profile. |
Frequently Asked Questions
How common are River Floodings in Greeley?
With a risk score of 97.7 for River Flooding, Greeley is considered highly vulnerable. Residents should have a specific plan for River Flooding events, which are the primary driver of the city's overall risk profile.
Is Greeley safer than other cities in Colorado?
It varies by hazard. While Greeley has its own risk profile (Total Score: 84.3), it is generally comparable to the average in Colorado. See our state rankings for a direct comparison.
Should I move to Greeley given the risk of Tornado?
Every city has risks. The threat of Tornado (Score: 96.3) is manageable with proper preparation. The local infrastructure in Greeley is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Greeley compare to other cities in Colorado?
See the full Colorado Disaster Rankings to see how Greeley stacks up against other cities in the state.