Davison County, South Dakota: hazard risk
FEMA rates Davison County's overall risk Very Low (score 39.2 of 100, higher than 39% of rated U.S. counties); 1 of its 13 hazards are rated Relatively High or Very High, led by winter weather. Its storm record holds 808 events since 1950.
FEMA's rating for each hazard
These are FEMA's county-wide model ratings and this county's storm record. They are not an assessment of any property, address or building, and not insurance advice: a property's risk depends on its own elevation, construction and location.
FEMA gives each hazard its own rating, and a rating does not follow the score from one hazard to the next: a hazard with a higher score can carry a lower rating than another. The table sorts by FEMA's rating, then by score (0 to 100, the county against every other county for that hazard).
| Hazard | Risk rating | Score | Expected annual loss |
|---|---|---|---|
| Winter Weather | Relatively High | 87.5 | $366K |
| Ice Storm | Relatively Moderate | 80.4 | $458K |
| Tornado | Relatively Moderate | 75.5 | $3.5M |
| Cold Wave | Relatively Moderate | 67.1 | $2.0M |
| Drought | Relatively Moderate | 66.6 | $457K |
| Strong Wind | Relatively Moderate | 64.6 | $900K |
| Wildfire | Relatively Low | 68.4 | $169K |
| Hail | Relatively Low | 66.2 | $519K |
| Riverine Flooding | Relatively Low | 35.9 | $4.6M |
| Lightning | Relatively Low | 28.5 | $112K |
| Earthquake | Very Low | 28.4 | $69K |
| Landslide | Very Low | 27.2 | $257 |
| Heat Wave | Very Low | 25.5 | $110K |
Source: FEMA National Risk Index, December 2025 release. A model of future loss, not a count of past events. FEMA's National Risk Index map.
What the record holds
| Hazard | Records | Deaths | Damage | Rank in state | Rank in U.S. |
|---|---|---|---|---|---|
| Severe thunderstorm wind | 184 | 0 | $16M | 1st of 66 | 804th of 3,080 |
| Hail | 166 | 0 | $8.0M | 12th of 66 | 492nd of 3,080 |
| Winter storms | 160 | 0 | $2.4M | 3rd of 66 | 219th of 3,077 |
| Floods | 99 | 1 | $54M | 2nd of 66 | 194th of 3,080 |
| High wind and dust storms | 59 | 0 | $437K | 3rd of 66 | 217th of 3,080 |
| Drought | 49 | 0 | $19M | 4th of 66 | 227th of 3,063 |
| Extreme cold | 33 | 0 | – | 2nd of 66 | 256th of 3,076 |
| Heat | 28 | 0 | – | 2nd of 66 | 423rd of 3,076 |
| Tornadoes | 24 | 0 | $26M | 4th of 66 | 773rd of 3,080 |
| Lightning | 5 | 0 | $86K | 2nd of 66 | 628th of 3,080 |
| Heavy rain | 1 | 0 | – | 11th of 66 | 1833rd of 3,080 |
Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.
The full Davison County record: every hazard by year and month, the deadliest events and FEMA's declarations.