Santa Rosa, CA
Local storm history & FEMA National Risk Index data
Santa Rosa is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Sonoma County, CA. The county's highest-rated hazards are landslide, earthquake, and drought.
Storm events near Santa Rosa
NOAA-recorded tornado, hail, and flood events within 25 miles of Santa Rosa's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Santa Rosa 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 Sonoma County's FEMA National Risk Index scores, covering Santa Rosa along with the rest of the county, not a Santa Rosa-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 98.2 | Relatively High |
| Inland Flooding | 99.2 | Relatively High |
| Coastal Flooding | 68.6 | Relatively Moderate |
| Earthquake | 99.5 | Relatively High |
| Heat Wave | 88.8 | Relatively Moderate |
| Tornado | 15.4 | Very Low |
| Avalanche | 10.8 | Very Low |
| Cold Wave | 0 | No Rating |
| Drought | 99.3 | Relatively High |
| Hail | 16.1 | Very Low |
| Hurricane | — | Not Applicable |
| Ice Storm | — | Not Applicable |
| Landslide | 99.8 | Relatively High |
| Lightning | 58.7 | Relatively Moderate |
| Strong Wind | 13.6 | Very Low |
| Tsunami | 26.2 | Very Low |
| Volcanic Activity | 85 | Relatively Low |
| Winter Weather | 8.1 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Sonoma County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Sonoma County:
More on Sonoma County:
Frequently asked questions
What natural hazards is Santa Rosa, CA at risk of?
Santa Rosa 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 Sonoma County, where Santa Rosa is located, are landslide, earthquake, and drought.
What is Santa Rosa's biggest natural hazard risk?
Landslide is the highest-rated hazard for Sonoma County, where Santa Rosa is located, scoring 99.8 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Santa Rosa a high-risk area for natural disasters?
Yes — Santa Rosa carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Sonoma County.
Has Santa Rosa had tornadoes, hail, or flooding?
NOAA has recorded 20 hail, 263 inland flooding events within 25 miles of Santa Rosa since 2016.