Low Risk Idaho  ·  Flash Flooding / Wildfire

Twin Falls County ID

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

4/ 10
Threat Score
Population
88
Area
1,924
sq miles
Primary Hazard
Flash Flooding / Wildfire
FEMA Disasters
5
federally declared

Twin Falls County ID in Idaho faces flash flooding / wildfire risk across its 1,924 square mile area. Twin Falls on the Snake River is the south Idaho regional hub with Shoshone Falls. Twin Falls 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 Flash Flooding / Wildfire
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) 736-4004
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Twin Falls County ID
State Idaho (ID)
Population 88
Area 1,924 sq miles
FEMA Region Low

// Major Cities

Twin Falls ID Twin Falls ID

// Cities in This County

// Other Idaho Counties