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La Crosse city, WI

ZIP 54603 — 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 54603

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 La Crosse city, WI as Relatively Low (composite score 80.5), which is elevated versus much of the country. The strongest component scores on US5 are flood (74.0) and wildfire (11.8). 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 Low
Risk index
80.5
Flood risk
74.0
Wildfire risk
11.8
Hurricane risk
0.0
Earthquake risk
22.8
Tornado risk
84.6
Winter weather risk
68.0
Hail risk
95.1
Air Quality (EPA AQI)

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

40
Median AQI
88.0%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 54603

Climate normals for La Crosse city, WI show little to no average snow and around 35.2 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
5a
Annual Snow Days
0
Annual Precipitation
35.23 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5a
Annual precip (in)35.23
Snow days0
Broadband access85.3%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index80.5
Flood risk (NRI)74.0
Wildfire risk (NRI)11.8
Hurricane risk (NRI)0.0
IRS net migration827
Median AQI40
Good AQI days88.0%