Jefferson County MT in Montana faces wildfire / flash flooding risk across its 1,657 square mile area. Boulder serves this southwest Montana county between Helena and Butte. Jefferson 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
* We may earn a commission from qualifying purchases.
// Risk Intelligence
| Threat Score | 5 / 10 Low Risk |
| Primary Hazard | Wildfire / Flash Flooding |
| Secondary Hazard | Earthquake |
| FEMA Flood Zone | Low |
| Federally Declared Disasters | 6 |
| Last Major Event | 2021 Wildfire |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (406) 225-4020 |
| Emergency Shelters | 2 designated facilities |
| Evacuation Routes | State and US highways |
// County Profile
| County | Jefferson County MT |
| State | Montana (MT) |
| Population | 11 |
| Area | 1,657 sq miles |
| FEMA Region | Low |
// Other Montana Counties
Missoula County MT
Wildfire / Flash Flooding
6/10
Moderate
Musselshell County MT
Tornado / Blizzard
5/10
Low
Chouteau County MT
Blizzard / Flash Flooding
5/10
Low
Rosebud County MT
Tornado / Blizzard
5/10
Low
Hill County MT
Blizzard / Flash Flooding
5/10
Low
Wibaux County MT
Tornado / Blizzard
5/10
Low