Big Stone County
Minnesota — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 9th
Big Stone County faces very low composite natural disaster risk (NRI Risk Index score 8.5, 9th national percentile), driven primarily by cold wave and winter weather exposure. Expected annual loss across all 18 hazard types is $4M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Cold Wave | Low | 14.00 / yr | $2M |
| Winter Weather | Medium | 20.58 / yr | $99K |
| Hail | Low | 3.80 / yr | $243K |
| Ice Storm | Low | 0.41 / yr | $48K |
| Landslide | Very Low | 0.05 / yr | $420 |
| Wildfire | Very Low | 0.00 / yr | $16K |
| Heat Wave | Very Low | 2.63 / yr | $143K |
| Drought | Very Low | 3.32 / yr | $10K |
| Tornado | Very Low | 0.35 / yr | $319K |
| Strong Wind | Low | 2.75 / yr | $192K |
| Riverine Flood | Very Low | 0.54 / yr | $2M |
| Lightning | Very Low | 33.20 / yr | $21K |
| Earthquake | Very Low | 0.00 / yr | $6K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Big Stone County?
Big Stone County has a composite FEMA National Risk Index score of 8.5 out of 100, placing it in the Very Low category and the 9th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Big Stone County?
The three highest-rated hazards are Cold Wave (Low, $2M EAL), Winter Weather (Medium, $99K EAL), Hail (Low, $243K EAL). These account for most of the county's expected annual losses.
How does Big Stone County compare to other Minnesota counties?
Big Stone County ranks #78 of 87 Minnesota counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Big Stone County's $4M EAL is a statistical average, not a guarantee for any specific year or address.