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Heron CDP, MT

ZIP 59844 — 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 59844

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 Heron CDP, MT as Relatively Low (composite score 47.4), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (91.2) and flood (61.9). 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
Relatively Low
Risk index
47.4
Flood risk
61.9
Wildfire risk
91.2
Earthquake risk
67.9
Tornado risk
4.7
Winter weather risk
88.1
Hail risk
4.6
Air Quality (EPA AQI)

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

15
Median AQI
100.0%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 59844

Climate normals for Heron CDP, MT show little to no average snow and around 34.2 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively 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
6b
Annual Snow Days
0
Annual Precipitation
34.23 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6b
Annual precip (in)34.23
Snow days0
Broadband access84.4%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index47.4
Flood risk (NRI)61.9
Wildfire risk (NRI)91.2
IRS net migration35
Median AQI15
Good AQI days100.0%