Monmouth, OR
Local storm history & FEMA National Risk Index data
Monmouth is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Polk County, OR. The county's highest-rated hazards are earthquake, heat wave, and volcanic activity.
Storm events near Monmouth
NOAA-recorded tornado, hail, and flood events within 25 miles of Monmouth's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Monmouth 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 Polk County's FEMA National Risk Index scores, covering Monmouth along with the rest of the county, not a Monmouth-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 43.4 | Very Low |
| Inland Flooding | 68.2 | Relatively Low |
| Coastal Flooding | 0 | No Rating |
| Earthquake | 95.4 | Relatively Moderate |
| Heat Wave | 87.4 | Relatively Moderate |
| Tornado | 12.7 | Very Low |
| Avalanche | 14.6 | Very Low |
| Cold Wave | 15.2 | Very Low |
| Drought | 12.4 | Very Low |
| Hail | 7.4 | Very Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 64.5 | Relatively Moderate |
| Landslide | 83.9 | Relatively Low |
| Lightning | 33.9 | Relatively Low |
| Strong Wind | 11.6 | Very Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 84 | Very Low |
| Winter Weather | 34.4 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Polk County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Polk County:
More on Polk County:
Frequently asked questions
What natural hazards is Monmouth, OR at risk of?
Monmouth 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 Polk County, where Monmouth is located, are earthquake, heat wave, and volcanic activity.
What is Monmouth's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Polk County, where Monmouth is located, scoring 95.4 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Monmouth a high-risk area for natural disasters?
No — Monmouth carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Polk County.
Has Monmouth had tornadoes, hail, or flooding?
NOAA has recorded 1 tornado, 2 hail, 24 inland flooding events within 25 miles of Monmouth since 2016.