🌍 ClimateRiskCheck

Natural Disaster Risk in Custer

South Dakota

4.4out of 10
Moderate Risk

Risk Summary for Custer

Custer scores 4.4/10 (Moderate risk), near the U.S. average of 4.5. The leading hazard is Wildfire.

Top Hazards

Wildfire Avalanche Winter Weather

All 18 Hazard Scores

Wildfire
9.5
Avalanche
8.1
Winter Weather
6.5
Landslide
5.8
Tsunami
5.4
Hail
5.1
Volcanic Activity
5.1
Coastal Flooding
4.9
Earthquake
3.4
Lightning
3.4
Cold Wave
3.3
Tornado
3.2
Drought
2.7
Strong Wind
2.6
Hurricane
2.4
Ice Storm
1.9
Extreme Heat
1.8
Riverine Flooding
1.0

How it compares

Custer
4.4
South Dakota avg.
4.9
US national avg.
4.5

Live Conditions

Checking live alerts…

🏠 What this means for insurance

Average risk β€” standard coverage usually sufficient

This area carries average natural disaster risk. A standard homeowners or renters policy should cover common events, but review the exclusions for floods and earthquakes, which are almost never included by default.

This is general information only. Consult a licensed insurance professional for advice specific to your property.

Natural Hazard Profile: Custer, South Dakota

Custer is a town of roughly 5,596 residents in Custer County, in the Great Plains. The area experiences harsh winters, hot summers, and significant seasonal variation, with severe blizzards and spring flooding shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Custer.

FEMA rates Custer's composite natural disaster risk at 4.4 out of 10 β€” moderate risk. The threat of wildfire dominates the local risk environment, with hot, dry summers and abundant fuel creating dangerous fire conditions each year. Residents should also account for avalanche and winter risk in their preparedness planning.

Custer's risk score, slightly below the 4.9/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Custer County, the highest-scoring are wildfire, avalanche, and winter. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Custer residents are well-served by maintaining standard preparedness practices β€” an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for wildfire is recommended.

What this means for Custer: Wildfire preparedness

  • Create defensible space by clearing flammable vegetation within 30–100 feet of structures.
  • Use fire-resistant roofing and screen vents to block ember intrusion, the leading cause of home ignition.
  • Prepare a go-bag and evacuation plan; wildfires can move faster than expected when winds pick up.

Local Factors for Custer

These city-level factors differentiate Custer from other communities in Custer County and provide geographic context for its hazard exposure.

Population

5,596

Small Town

Geographic Zone

Inland

Reduced coastal hazard exposure

Climate Band

Cool Continental

Latitude 43.7Β°

Flood Terrain

Minimal β€” county topography limits flood risk

Flood score: 1.0/10

Wildfire Exposure

Moderate β€” seasonal fire risk

Fire score: 9.5/10

Coordinates

43.7256Β° N, 103.6373Β° W

Custer County

Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.

Recent Climate Data for Custer

Last 12 months Β· Source: Open-Meteo archive

Loading climate data…

ZIP Codes in Custer

Other cities in South Dakota

Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.