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Mercer town, MO

ZIP 64661 — Climate & Environment

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

Working ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 64661

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 Mercer town, MO as Very Low (composite score 12.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (48.3) and flood (17.9). 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
Very Low
Risk index
12.3
Flood risk
17.9
Wildfire risk
48.3
Hurricane risk
11.4
Earthquake risk
17.2
Tornado risk
44.0
Winter weather risk
17.1
Hail risk
42.5

Climate & Weather in ZIP Code 64661

Climate normals for Mercer town, MO show little to no average snow and around 38.0 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
5b
Annual Snow Days
0
Annual Precipitation
37.98 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5b
Annual precip (in)37.98
Snow days0
Broadband access80.7%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index12.3
Flood risk (NRI)17.9
Wildfire risk (NRI)48.3
Hurricane risk (NRI)11.4
IRS net migration34