Mountain Home, ID
Local storm history & FEMA National Risk Index data
Mountain Home is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Elmore County, ID. The county's highest-rated hazards are wildfire, avalanche, and landslide.
Storm events near Mountain Home
NOAA-recorded tornado, hail, and flood events within 25 miles of Mountain Home's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Mountain Home itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Elmore County's FEMA National Risk Index scores, covering Mountain Home along with the rest of the county, not a Mountain Home-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 97.6 | Relatively High |
| Inland Flooding | 30.1 | Very Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 42 | Very Low |
| Heat Wave | 58.7 | Relatively Low |
| Tornado | 7.1 | Very Low |
| Avalanche | 90.8 | Relatively High |
| Cold Wave | 12.2 | Very Low |
| Drought | 18 | Very Low |
| Hail | 17.8 | Very Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 30.4 | Relatively Low |
| Landslide | 80.3 | Relatively Low |
| Lightning | 22 | Very Low |
| Strong Wind | 49.1 | Relatively Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 39.7 | Very Low |
| Winter Weather | 69.6 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Elmore County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Elmore County:
Frequently asked questions
What natural hazards is Mountain Home, ID at risk of?
Mountain Home is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Elmore County, where Mountain Home is located, are wildfire, avalanche, and landslide.
What is Mountain Home's biggest natural hazard risk?
Wildfire is the highest-rated hazard for Elmore County, where Mountain Home is located, scoring 97.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Mountain Home a high-risk area for natural disasters?
No — Mountain Home carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Elmore County.
Has Mountain Home had tornadoes, hail, or flooding?
NOAA has recorded 3 tornado, 3 hail, 2 inland flooding events within 25 miles of Mountain Home since 2016.