Troutdale, OR

Local storm history & FEMA National Risk Index data

Population: 15,749 · Part of Multnomah County

Troutdale 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 Troutdale

NOAA-recorded tornado, hail, and flood events within 25 miles of Troutdale's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Troutdale itself, not the whole county.

Tornado 8 events
Hail 1 events
Inland Flooding 20 events

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 Troutdale along with the rest of the county, not a Troutdale-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 Troutdale, OR at risk of?

Troutdale 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 Troutdale is located, are earthquake, landslide, and heat wave.

What is Troutdale's biggest natural hazard risk?

Earthquake is the highest-rated hazard for Multnomah County, where Troutdale is located, scoring 99.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Troutdale a high-risk area for natural disasters?

Yes — Troutdale 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 Troutdale had tornadoes, hail, or flooding?

NOAA has recorded 8 tornado, 1 hail, 20 inland flooding events within 25 miles of Troutdale since 2016.