US5.com
  1. Home
  2. States
  3. Missouri
  4. ZIP 63373
  5. Climate & Environment
Portage Des Sioux city, MO

ZIP 63373 — 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 63373

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 Portage Des Sioux city, MO as Relatively Moderate (composite score 92.6), which is among the highest nationally. The strongest component scores on US5 are flood (94.2) and wildfire (58.8). 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
Relatively Moderate
Risk index
92.6
Flood risk
94.2
Wildfire risk
58.8
Hurricane risk
22.8
Earthquake risk
94.6
Tornado risk
96.4
Winter weather risk
89.0
Hail risk
97.7

Climate & Weather in ZIP Code 63373

Climate normals for Portage Des Sioux city, MO show little to no average snow and around 39.4 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) when evaluating long-term housing and insurance exposure.

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Portage Des Sioux city, MO (ZIP 63373)…

Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
6b
Annual Snow Days
0
Annual Precipitation
39.4 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6b
Annual precip (in)39.4
Snow days0
Broadband access92.2%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index92.6
Flood risk (NRI)94.2
Wildfire risk (NRI)58.8
Hurricane risk (NRI)22.8
IRS net migration32