MT
Montana
Comprehensive climate risk and disaster history profile
23
Billion-Dollar Events
$20.3B
Total Economic Impact
56
Counties
20.91
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 56 counties
Freeze
69.06
Avg Risk Score
Wildfire
67.94
Avg Risk Score
Winter Storm
54.23
Avg Risk Score
AVLN
52.43
Avg Risk Score
LNDS
42.66
Avg Risk Score
Drought
37.56
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Drought
9 events
$6.0B
Wildfire
7 events
$12.0B
Flooding
4 events
$1.4B
Severe Storm
3 events
$0.9B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Ravalli | 88.26 | 2673.0% | |
| 2 | Flathead | 83.9 | 2272.0% | |
| 3 | Missoula | 78.01 | 2470.0% | |
| 4 | Gallatin | 69.77 | 780.0% | |
| 5 | Lake | 68.22 | 7276.0% | |
| 6 | Yellowstone | 59.12 | 3084.0% | |
| 7 | Cascade | 55.77 | 5283.0% | |
| 8 | Silver Bow | 54.79 | 4532.0% | |
| 9 | Lewis and Clark | 51.16 | 1423.0% | |
| 10 | Roosevelt | 48.17 | 7954.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
Drought
Jan 2024
$0.5B
12 fatalities
Drought
Apr 2023
$1.4B
24 fatalities
Wildfire
Apr 2022
$0.5B
2 fatalities
Wildfire
Jun 2021
$1.5B
1 fatalities
Severe Storm
Jul 2018
$0.3B
Wildfire
Jun 2017
$9.0B
27 fatalities
Drought
Mar 2017
$0.8B
Severe Storm
May 2016
$0.2B
Wildfire
Jun 2015
$0.3B
1 fatalities
Drought
Jan 2015
$0.5B
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