Hyde County, SD Environment & Hazard Risk
Very Low natural hazard risk, led by wildfire. 530 storm events since 1996.
- Expected yearly loss
- $2.7M
- Very Low nationally
- Storm events since 1996
- 530
- Most often thunderstorm wind
- Hurricanes nearby
- 0
- Since 1851
Natural hazard risk
FEMA National Risk Index, December 2025
Overall risk
Very Low
Score 6.5 of 100
Social vulnerability
Relatively High
Score 79.1 of 100
Community resilience
Relatively High
Score 79.1 of 100
Community resilience runs the other way: a higher rating means a community can recover faster.
Building value exposed: $886M · Agriculture value exposed: $83.6M · Risk-adjusted yearly loss: $3.7M
Risk by hazard
- WildfireRelatively Low$471K/yr expected annual loss, about once every 364 years
- Cold waveRelatively Low$658K/yr expected annual loss, about 8.6 events a year
- DroughtRelatively Low$65.4K/yr expected annual loss, about 16 events a year
- Ice stormRelatively Low$27.7K/yr expected annual loss, about once every 2 years
- HailVery Low$86.1K/yr expected annual loss, about 3.8 events a year
- Winter weatherRelatively Low$21.2K/yr expected annual loss, about 17 events a year
- TornadoVery Low$150K/yr expected annual loss, about once every 3 years
- Heat waveVery Low$15.4K/yr expected annual loss, about 4.2 events a year
- EarthquakeVery Low$6,629/yr expected annual loss, about once every 2,985 years
- Strong windVery Low$49.4K/yr expected annual loss, about 2.7 events a year
- LandslideVery Low$1/yr expected annual loss, about once every 10 years
- LightningVery Low$1,980/yr expected annual loss, about 34 events a year
Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: avalanche, coastal flooding, hurricane, riverine flooding, tsunami, volcanic activity.
Flood risk and insurance
National Flood Insurance Program and FEMA flood maps
Check the flood zone for an address
- Homes in high-risk flood zones
- 0
- Flood claims since 1978
- 1
- Flooding$0 · 1 claim
Storm history
Since 1996: 530 events, 0 deaths, $7.7M in damage
- Thunderstorm Wind134
- Hail121
- High Wind67
- Blizzard41
- Extreme Cold/Wind Chill30
- Drought30
- Heavy Snow26
- Winter Storm24
- Excessive Heat13
- Flood12
Events per year
16 tornadoes on record (EF0 4, EF1 3, F0 7, F1 1).
Most damaging storms
Since 1996, ranked by deaths, injuries and damage
- Flood06/01/2019
Holabird, Hyde County
$7.5M damage
What happened
Spring snowmelt and heavy rain flooding from March, April, and May continued into June. This combined with above normal June rainfall resulted in hundreds of thousands of acres of crops damaged or unplanted across central and northeast South Dakota. For the entire state of South Dakota, nearly 4 million acres of crops were left unplanted as a result of the flooding. Total damaged or unplanted crop loss estimates for central and northeast South Dakota were near 307 million dollars.
- Flood04/01/2019
Holabird, Hyde County
$178K damage
Drinking water
2 community water systems serve about 12,515 people. Violations since 2021.
None of the systems serving this county had a health-based violation in this period.
- Mid-Dakota Rural WaterServes 11,833 · Surface water · PrivateNo health violations
- HighmoreServes 682 · Purchased surface water · Local governmentNo health violations+1 monitoring or reporting
Largest systems by population served. Monitoring and reporting violations mean required tests or notices were late or missing, not that the water was unsafe.
Pollution sites
0 Superfund sites and 0 toxic release facilities in Hyde County
No Superfund sites or toxic release facilities in Hyde County in our data.
Superfund sitesToxic release facilitiesEPA inspections and enforcementAir toxics cancer risk2 historic places
Frequently asked questions
- How risky is Hyde County for natural disasters?
- FEMA rates Hyde County very low for overall natural hazard risk, with expected losses of $2.7M a year. The highest-rated hazards are wildfire (relatively low), cold wave (relatively low), drought (relatively low).
- What storms are most common in Hyde County?
- Since 1996, NOAA recorded 530 storm events affecting Hyde County, most often thunderstorm wind (134), hail (121), high wind (67).
- How many tornadoes have hit Hyde County?
- 16 tornadoes have been recorded in Hyde County since 1950.
- What is the weather like in Hyde County?
- At Highmore 1 W, average highs reach 86°F in Jul and lows fall to 7°F in Jan, with 22.8 inches of rain a year (1991-2020 normals).
Source: FEMA (National Risk Index, NFIP), NOAA (Storm Events, HURDAT2, Climate Normals), EPA · Last updated 08/01/2026 · Storm counts include events in forecast zones that touch the county. This product uses the FEMA OpenFEMA API, but is not endorsed by FEMA.