Low Risk Idaho  ·  Wildfire / Flash Flooding

Nez Perce County ID

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

4/ 10
Threat Score
Population
40
Area
849
sq miles
Primary Hazard
Wildfire / Flash Flooding
FEMA Disasters
5
federally declared

Nez Perce County ID in Idaho faces wildfire / flash flooding risk across its 849 square mile area. Lewiston on the Snake River serves this north Idaho county with the Nez Perce Reservation. Nez Perce 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.

// Risk Intelligence

Threat Score 4 / 10    Low Risk
Primary Hazard Wildfire / Flash Flooding
Secondary Hazard Winter Storm
FEMA Flood Zone Low
Federally Declared Disasters 5
Last Major Event 2021 Wildfire
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (208) 799-3090
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Nez Perce County ID
State Idaho (ID)
Population 40
Area 849 sq miles
FEMA Region Low

// Major Cities

Lewiston ID Lewiston ID

// Cities in This County

// Other Idaho Counties

// Nearby Infrastructure Risks

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

🌊
Dworshak Dam ID
Major Dam  ·  Ahsahka, ID  ·  US Army Corps of Engineers  ·  20-mi risk zone
8/10 High

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