Portland, OR
Local storm history & FEMA National Risk Index data
Portland is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Multnomah County, OR. The county's highest-rated hazards are earthquake, landslide, and heat wave.
Storm events near Portland
NOAA-recorded tornado, hail, and flood events within 25 miles of Portland's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Portland 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 Multnomah County's FEMA National Risk Index scores, covering Portland along with the rest of the county, not a Portland-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 67.3 | Relatively Low |
| Inland Flooding | 95.5 | Relatively High |
| Coastal Flooding | 43.4 | Relatively Low |
| Earthquake | 99.6 | Relatively High |
| Heat Wave | 96.8 | Relatively High |
| Tornado | 47.4 | Relatively Low |
| Avalanche | 18.4 | Very Low |
| Cold Wave | 91 | Relatively High |
| Drought | 12.5 | Very Low |
| Hail | 1.9 | Very Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 91.8 | Relatively High |
| Landslide | 96.9 | Relatively Moderate |
| Lightning | 45.8 | Relatively Low |
| Strong Wind | 65.5 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 93.5 | Relatively Moderate |
| Winter Weather | 85.2 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Multnomah County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Multnomah County:
More on Multnomah County:
Frequently asked questions
What natural hazards is Portland, OR at risk of?
Portland is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Multnomah County, where Portland is located, are earthquake, landslide, and heat wave.
What is Portland's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Multnomah County, where Portland is located, scoring 99.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Portland a high-risk area for natural disasters?
Yes — Portland carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Multnomah County.
Has Portland had tornadoes, hail, or flooding?
NOAA has recorded 11 tornado, 3 hail, 31 inland flooding events within 25 miles of Portland since 2016.