Dover, DE
Local storm history & FEMA National Risk Index data
Dover 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 Kent County, DE. The county's highest-rated hazards are cold wave, winter weather, and hurricane.
Storm events near Dover
NOAA-recorded tornado, hail, and flood events within 25 miles of Dover's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Dover 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 Kent County's FEMA National Risk Index scores, covering Dover along with the rest of the county, not a Dover-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 64.9 | Relatively Low |
| Inland Flooding | 82.9 | Relatively Moderate |
| Coastal Flooding | 69.6 | Relatively Moderate |
| Earthquake | 80.7 | Relatively Low |
| Heat Wave | 87.6 | Relatively Moderate |
| Tornado | 68.6 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 93.7 | Relatively High |
| Drought | 84.9 | Relatively Moderate |
| Hail | 45.9 | Relatively Low |
| Hurricane | 91.3 | Relatively Moderate |
| Ice Storm | 67.7 | Relatively Moderate |
| Landslide | 30.2 | Very Low |
| Lightning | 73.4 | Relatively Moderate |
| Strong Wind | 60 | Relatively Moderate |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 92.8 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Kent County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Kent County:
More on Kent County:
Frequently asked questions
What natural hazards is Dover, DE at risk of?
Dover 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 Kent County, where Dover is located, are cold wave, winter weather, and hurricane.
What is Dover's biggest natural hazard risk?
Cold Wave is the highest-rated hazard for Kent County, where Dover is located, scoring 93.7 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Dover a high-risk area for natural disasters?
Somewhat — Dover 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 Kent County.
Has Dover had tornadoes, hail, or flooding?
NOAA has recorded 11 tornado, 22 hail, 51 inland flooding events within 25 miles of Dover since 2016.