Twin Falls, ID
Local storm history & FEMA National Risk Index data
Twin Falls is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Twin Falls County, ID. The county's highest-rated hazards are winter weather, wildfire, and landslide.
Storm events near Twin Falls
NOAA-recorded tornado, hail, and flood events within 25 miles of Twin Falls's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Twin Falls 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 Twin Falls County's FEMA National Risk Index scores, covering Twin Falls along with the rest of the county, not a Twin Falls-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 94 | Relatively Moderate |
| Inland Flooding | 51.1 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 74 | Relatively Low |
| Heat Wave | 82.7 | Relatively Moderate |
| Tornado | 13.4 | Very Low |
| Avalanche | 54.1 | Very Low |
| Cold Wave | 41.2 | Relatively Low |
| Drought | 23.3 | Very Low |
| Hail | 31.1 | Very Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 56.8 | Relatively Low |
| Landslide | 93.1 | Relatively Moderate |
| Lightning | 54.3 | Relatively Low |
| Strong Wind | 36.7 | Relatively Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 55.4 | Very Low |
| Winter Weather | 95.2 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Twin Falls County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Twin Falls County:
Frequently asked questions
What natural hazards is Twin Falls, ID at risk of?
Twin Falls 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 Twin Falls County, where Twin Falls is located, are winter weather, wildfire, and landslide.
What is Twin Falls's biggest natural hazard risk?
Winter Weather is the highest-rated hazard for Twin Falls County, where Twin Falls is located, scoring 95.2 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Twin Falls a high-risk area for natural disasters?
No — Twin Falls carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Twin Falls County.
Has Twin Falls had tornadoes, hail, or flooding?
NOAA has recorded 2 tornado, 11 hail, 11 inland flooding events within 25 miles of Twin Falls since 2016.