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Zortman CDP, MT

ZIP 59546 — Climate & Environment

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

Working ClassLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 59546

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 Zortman CDP, MT as Very Low (composite score 34.5), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (67.7) and flood (39.8). 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
34.5
Flood risk
39.8
Wildfire risk
67.7
Earthquake risk
15.1
Tornado risk
7.8
Winter weather risk
68.5
Hail risk
26.6
Air Quality (EPA AQI)

County-level annual air quality from EPA. Good days = healthy to breathe; unhealthy = sensitive groups or worse.

18
Median AQI
94.2%
Good Days

Air quality healthy to breathe

1.2%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 59546

Climate normals for Zortman CDP, MT show little to no average snow and around 19.5 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
19.46 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone4b
Annual precip (in)19.46
Snow days0
Broadband access92.3%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index34.5
Flood risk (NRI)39.8
Wildfire risk (NRI)67.7
IRS net migration8
Median AQI18
Good AQI days94.2%