Port Huron, MI
Local storm history & FEMA National Risk Index data
Port Huron is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for St. Clair County, MI. The county's highest-rated hazards are cold wave, tornado, and ice storm.
Storm events near Port Huron
NOAA-recorded tornado, hail, and flood events within 25 miles of Port Huron's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Port Huron 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 St. Clair County's FEMA National Risk Index scores, covering Port Huron along with the rest of the county, not a Port Huron-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 33.5 | Very Low |
| Inland Flooding | 85.9 | Relatively Moderate |
| Coastal Flooding | 46.2 | Relatively Low |
| Earthquake | 50.8 | Very Low |
| Heat Wave | 63.8 | Relatively Low |
| Tornado | 87.2 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 93.3 | Relatively High |
| Drought | 0 | No Rating |
| Hail | 48.1 | Relatively Low |
| Hurricane | 35.8 | Very Low |
| Ice Storm | 86.4 | Relatively High |
| Landslide | 37.6 | Very Low |
| Lightning | 44 | Relatively Low |
| Strong Wind | 85.8 | Relatively High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 57.1 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full St. Clair County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on St. Clair County:
Frequently asked questions
What natural hazards is Port Huron, MI at risk of?
Port Huron is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for St. Clair County, where Port Huron is located, are cold wave, tornado, and ice storm.
What is Port Huron's biggest natural hazard risk?
Cold Wave is the highest-rated hazard for St. Clair County, where Port Huron is located, scoring 93.3 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Port Huron a high-risk area for natural disasters?
Somewhat — Port Huron carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for St. Clair County.
Has Port Huron had tornadoes, hail, or flooding?
NOAA has recorded 2 tornado, 14 hail, 8 inland flooding events within 25 miles of Port Huron since 2016.