Moderate Risk Wyoming  ·  Tornado / Winter Storm

Natrona County WY

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

5/ 10
Threat Score
Population
80
Area
5,340
sq miles
Primary Hazard
Tornado / Winter Storm
FEMA Disasters
5
federally declared

Natrona County anchored by Casper is Wyoming's second largest city and the regional hub for central Wyoming. The North Platte River creates flooding risk and the county experiences extreme winter storm conditions. Casper Mountain south of the city creates complex weather patterns that can intensify severe weather events. The county's oil and gas industry creates industrial emergency planning considerations. Casper has experienced tornado events despite its high elevation location.

// Preparedness Recommendations

  • Identify an interior room or storm shelter.
  • Monitor NOAA weather alerts continuously.
  • Keep emergency kit accessible at all times.
  • Prepare for sudden power outages.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 5 / 10    Moderate Risk
Primary Hazard Tornado / Winter Storm
Secondary Hazard North Platte River Flooding
FEMA Flood Zone Moderate
Federally Declared Disasters 5
Last Major Event 2019 Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (307) 235-8224
Emergency Shelters 6 designated facilities
Evacuation Routes I-25 US-20 WY-258 WY-220

// County Profile

County Natrona County WY
State Wyoming (WY)
Population 80
Area 5,340 sq miles
FEMA Region Moderate

// Major Cities

Casper WY

// Cities in This County

// Other Wyoming Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

🌊
Seminoe Dam WY
Major Dam  ·  Sinclair, WY  ·  Bureau of Reclamation  ·  20-mi risk zone
6/10 Moderate
🏥
Wyoming Medical Center Casper WY
Major Hospital  ·  Casper, WY  ·  Wyoming Medical Center  ·  25-mi risk zone
6/10 Moderate

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.