Johnson County WY in Wyoming faces wildfire / flash flooding risk across its 4,166 square mile area. Buffalo on Powder River serves this north-central Wyoming county. Johnson serves as the county seat and regional emergency coordination hub.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 5 / 10 Low Risk |
| Primary Hazard | Wildfire / Flash Flooding |
| Secondary Hazard | Winter Storm |
| FEMA Flood Zone | Low |
| Federally Declared Disasters | 6 |
| Last Major Event | 2021 Wildfire |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (307) 684-7272 |
| Emergency Shelters | 2 designated facilities |
| Evacuation Routes | State and US highways |
// County Profile
| County | Johnson County WY |
| State | Wyoming (WY) |
| Population | 8 |
| Area | 4,166 sq miles |
| FEMA Region | Low |
// Other Wyoming Counties
Lincoln County WY
Wildfire / Flash Flooding
5/10
Low
Carbon County WY
Wildfire / Flash Flooding
5/10
Low
Laramie County WY
Tornado / Winter Storm
5/10
Moderate
Niobrara County WY
Tornado / Blizzard
5/10
Low
Natrona County WY
Tornado / Winter Storm
5/10
Moderate
Park County WY
Wildfire / Flash Flooding
5/10
Low