Natural Disaster Risk — ZIP Code 57339
Fort Thompson, South Dakota
Risk Summary for ZIP 57339
ZIP 57339 scores 4.2/10 (Moderate risk), near the U.S. average of 4.5. The leading hazard is Cold Wave.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Average risk — 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: ZIP 57339, South Dakota
ZIP 57339 covers part of the Fort Thompson area, in the interior eastern United States. The surrounding region experiences harsh winters, hot summers, and significant seasonal variation, with severe blizzards and spring flooding shaping the natural hazards that residents of this ZIP code face. Risk scores here are derived from FEMA data for the encompassing county.
FEMA rates ZIP 57339's composite natural disaster risk at 4.2 out of 10 — moderate risk. Cold wave events are the primary hazard risk, driven by periodic invasions of Arctic air that drive wind chills to life-threatening levels and stress heating systems. Residents should also account for wildfire and winter risk in their preparedness planning.
ZIP 57339'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, the highest-scoring are cold wave, wildfire, 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, ZIP 57339 residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for cold wave is recommended.
What this means for ZIP 57339: Cold Wave preparedness
- Protect pipes, pets, and plants, and ensure heating systems are serviced before winter.
- Keep emergency heat and supplies ready in case of cold-related power outages.
- Dress in layers and limit exposure during extreme cold to prevent frostbite and hypothermia.
Risk for the surrounding area
Local Factors for ZIP 57339
These city-level factors differentiate ZIP 57339 from other communities in South Dakota County and provide geographic context for its hazard exposure.
Population
1,390
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 44.1°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Moderate — seasonal fire risk
Fire score: 7.9/10
Coordinates
44.1123° N, 99.4786° W
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for ZIP 57339
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
Nearby ZIP codes
Other cities in South Dakota
Data source: FEMA National Risk Index (NRI). County-level data applied to ZIP codes within each county. Scores are normalized to 1–10 across all US counties. This information is for general awareness only — consult official emergency management resources and a licensed insurer for property-specific advice.