Castle Rock, CO
Local storm history & FEMA National Risk Index data
Castle Rock 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 Douglas County, CO. The county's highest-rated hazards are lightning, hail, and wildfire.
Storm events near Castle Rock
NOAA-recorded tornado, hail, and flood events within 25 miles of Castle Rock's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Castle Rock 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 Douglas County's FEMA National Risk Index scores, covering Castle Rock along with the rest of the county, not a Castle Rock-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 98.4 | Relatively High |
| Inland Flooding | 86.9 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 62.4 | Relatively Low |
| Heat Wave | 54.8 | Relatively Low |
| Tornado | 93.4 | Relatively High |
| Avalanche | 9.6 | Very Low |
| Cold Wave | 63.8 | Relatively Low |
| Drought | 34.5 | Relatively Low |
| Hail | 98.6 | Relatively High |
| Hurricane | — | Not Applicable |
| Ice Storm | 42.6 | Relatively Low |
| Landslide | 78.2 | Relatively Low |
| Lightning | 99.3 | Very High |
| Strong Wind | 93 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 64.2 | Very Low |
| Winter Weather | 96.6 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Douglas County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Douglas County:
More on Douglas County:
Frequently asked questions
What natural hazards is Castle Rock, CO at risk of?
Castle Rock 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 Douglas County, where Castle Rock is located, are lightning, hail, and wildfire.
What is Castle Rock's biggest natural hazard risk?
Lightning is the highest-rated hazard for Douglas County, where Castle Rock is located, scoring 99.3 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Castle Rock a high-risk area for natural disasters?
Somewhat — Castle Rock 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 Douglas County.
Has Castle Rock had tornadoes, hail, or flooding?
NOAA has recorded 8 tornado, 495 hail, 13 inland flooding events within 25 miles of Castle Rock since 2016.