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Belle Fourche city, SD

ZIP 57717 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 57717

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for Belle Fourche city, SD as Very Low (composite score 23.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (86.9) and flood (33.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Very Low
Risk index
23.3
Flood risk
33.4
Wildfire risk
86.9
Earthquake risk
28.3
Tornado risk
23.3
Winter weather risk
68.8
Hail risk
74.4

Climate & Weather in ZIP Code 57717

Climate normals for Belle Fourche city, SD show little to no average snow and around 14.7 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very Low) when evaluating long-term housing and insurance exposure.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
4b
Annual Snow Days
0
Annual Precipitation
14.74 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone4b
Annual precip (in)14.74
Snow days0
Broadband access90.2%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index23.3
Flood risk (NRI)33.4
Wildfire risk (NRI)86.9
IRS net migration535