Natural Disaster Risk in Rock Springs

Natural Hazard Profile: Rock Springs, Wyoming

Located in the Great Plains in Sweetwater County, Rock Springs is a city of approximately 27,198 residents. The semi-arid climate that characterizes this part of Wyoming — marked by high winds, cold winters, and significant snowfall at elevation — directly influences the types and severity of natural hazards present, making Rock Springs a community where hazard awareness has real practical value.

Rock Springs's overall natural disaster risk is rated 5.0/10 (Moderate) by FEMA's National Risk Index. Slope instability and debris flows are the primary natural hazard, driven by a combination of local geology, precipitation intensity, and terrain that creates susceptibility to failure. Secondary hazards include winter and avalanche.

Relative to other U.S. communities, Rock Springs's natural disaster risk is near the U.S. national average of 4.5/10, near the 5.3/10 state average. The hazard distribution here is led by landslide and winter, as measured by FEMA across Sweetwater County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, Rock Springs residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for landslide is recommended.