Walla Walla, WA
Local storm history & FEMA National Risk Index data
Walla Walla is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Walla Walla County, WA. The county's highest-rated hazards are earthquake, ice storm, and wildfire.
Storm events near Walla Walla
NOAA-recorded tornado, hail, and flood events within 25 miles of Walla Walla's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Walla Walla 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 Walla Walla County's FEMA National Risk Index scores, covering Walla Walla along with the rest of the county, not a Walla Walla-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 83.5 | Relatively Low |
| Inland Flooding | 64.8 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 90.6 | Relatively Moderate |
| Heat Wave | 81.5 | Relatively Moderate |
| Tornado | 11.8 | Very Low |
| Avalanche | 40.6 | Very Low |
| Cold Wave | 51.9 | Relatively Low |
| Drought | 23.5 | Very Low |
| Hail | 41.5 | Relatively Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 89.4 | Relatively High |
| Landslide | 69.6 | Relatively Low |
| Lightning | 29.7 | Relatively Low |
| Strong Wind | 34.9 | Relatively Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 75.7 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Walla Walla County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Walla Walla County:
Frequently asked questions
What natural hazards is Walla Walla, WA at risk of?
Walla Walla 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 Walla Walla County, where Walla Walla is located, are earthquake, ice storm, and wildfire.
What is Walla Walla's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Walla Walla County, where Walla Walla is located, scoring 90.6 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Walla Walla a high-risk area for natural disasters?
No — Walla Walla carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Walla Walla County.
Has Walla Walla had tornadoes, hail, or flooding?
NOAA has recorded 3 tornado, 4 hail, 13 inland flooding events within 25 miles of Walla Walla since 2016.