Natural disaster risk in Teton County, Montana
Montana · population 6,157 · FIPS 30099
Overall: very low risk
Teton County has a composite risk score of 19.0 out of 100 — higher than 19% of US counties. It ranks 31 of 56 in Montana (1 = highest risk). Its highest-rated hazards are avalanche, cold wave, winter weather.
Drought now: No: no drought or dryness
No. On the U.S. Drought Monitor map valid 13 October 2026, no part of Teton County is in drought or abnormally dry (none of D0 to D4). That has been so for 4 weeks in a row.
Drought in Teton County: the last 52 weeks · droughtmonitor.unl.edu
The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United States Department of Agriculture, the National Oceanic and Atmospheric Administration and the National Aeronautics and Space Administration. Map courtesy of NDMC.
Risk, loss, vulnerability and resilience
| Measure | Rating and score |
|---|---|
| Overall risk Expected annual loss, adjusted for social vulnerability and community resilience. |
Very low 19 |
| Expected annual loss About $8.2 million a year, on average, across all 18 hazards. |
Very low 27 |
| Social vulnerability Higher means people may find it harder to prepare and recover. |
Relatively low 21.3 |
| Community resilience Higher means a stronger ability to prepare, adapt and recover. |
Relatively moderate 57.6 |
Risk by hazard
FEMA's risk rating for each of 18 natural hazards in Teton County, highest first. "Not applicable" means the hazard is not modelled here.
| Hazard | Risk rating and score |
|---|---|
| Avalanche | Relatively moderate 80 |
| Cold wave | Relatively moderate 68 |
| Winter weather | Relatively moderate 68 |
| Wildfire | Relatively low 73 |
| Drought | Relatively low 37 |
| Earthquake | Very low 53 |
| Landslide | Very low 52 |
| Inland (riverine) flooding | Very low 32 |
| Heat wave | Very low 9 |
| Strong wind | Very low 9 |
| Hail | Very low 8 |
| Lightning | Very low 7 |
| Tornado | Very low 5 |
| Ice storm | Very low 2 |
| Coastal flooding | Not applicable |
| Hurricane | Not applicable |
| Tsunami | Not applicable |
| Volcanic activity | Not applicable |
FEMA disaster declarations for Teton County
Federal declarations that designated Teton County, since 1 Jan 2024 (the period this site keeps from OpenFEMA). Older declarations are in FEMA's own dataset.
Yes. Teton County has been named in 2 FEMA declarations since 1 Jan 2024. The latest is DR-4902-MT (Severe Winter Storm and Straight-Line Winds), declared 7 Apr 2026.
| Declaration | Kind | Incident | Declared | Individual assistance here |
|---|---|---|---|---|
| DR-4902-MT | Major disaster | Severe Winter Storm and Straight-Line Winds | 7 Apr 2026 | No |
| DR-4801-MT | Major disaster | Severe Winter Storm and Flooding | 18 Jul 2024 | No |
All FEMA declarations in Montana, with estimated apply-by dates · Open FEMA deadlines
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). Dataset: Disaster Declarations Summaries - v2.
How to read these ratings
- Ratings run in five steps: very low, relatively low, relatively moderate, relatively high and very high. They compare a county with every other US county; they are not a measure of danger on their own.
- Scores run from 0 to 100 and are national percentiles. The bar shows the score: a score of 80 means a higher value than 80% of US counties.
- Overall risk combines the expected annual loss with social vulnerability and community resilience.
- Expected annual loss is the average yearly loss to buildings, people and agriculture the model expects from all 18 hazards.
- Social vulnerability describes how hard it may be for people to prepare for and recover from a disaster. Higher is worse.
- Community resilience describes a community's ability to prepare, adapt and recover. Higher is better.
- "Not applicable" means FEMA does not model that hazard there (for example, hurricanes far inland).
About this data
Source: FEMA National Risk Index, version 1.20, released December 2025, published by the Federal Emergency Management Agency (US public domain). About the National Risk Index. The index is a model of relative risk built from historical hazard records, what is exposed and community factors. It is not a forecast, it does not describe any single property, and it is not insurance or financial advice. For decisions about a specific address, check FEMA's flood maps and your local emergency management office.
Questions
What is the natural disaster risk in Teton County, Montana?
FEMA's National Risk Index rates the overall risk in Teton County as very low, with a score of 19.0 out of 100 (higher than 19% of US counties). That is a comparison with other US counties, not a forecast.
What are the biggest natural hazards in Teton County?
The hazards rated highest for Teton County are avalanche (relatively moderate), cold wave (relatively moderate), winter weather (relatively moderate).
What is the flood risk in Teton County?
FEMA rates inland (river and rain) flooding risk in Teton County as very low. For a specific property, check the FEMA flood map and your local floodplain office.
Has Teton County had a FEMA disaster declaration?
Yes. Teton County has been named in 2 FEMA declarations since 1 Jan 2024. The latest is DR-4902-MT (Severe Winter Storm and Straight-Line Winds), declared 7 Apr 2026.
Is Teton County in a drought?
No. On the U.S. Drought Monitor map valid 13 October 2026, no part of Teton County is in drought or abnormally dry (none of D0 to D4). That has been so for 4 weeks in a row.
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