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Map of Heat Wave Risk by US State

As of FEMA NRI v1.20, heat wave risk ranges from 0.0 in Hawaii to 91.9 in Arizona across US states, with a median of 50.4 among the 50 states with data. Source: FEMA National Risk Index.

Risk score (0-100) for heat waves. Higher means greater expected annual loss from extreme heat events.

Source: FEMA National Risk Index

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Choropleth map of Heat Wave Risk across US states (FEMA NRI v1.20), by hearthmap
Heat Wave Risk by US state. Source: FEMA National Risk Index.

Category

environment

Native level

Census tract

Unit

Score (0-100)

Vintage

FEMA NRI v1.20

States ranked by heat wave risk

50 states with data (FEMA NRI v1.20). Top 10 highest and bottom 10 lowest.

Top 10 states by heat wave risk
RankStateValue
1Arizona91.9
2Missouri90.8
3District of Columbia89.1
4Oklahoma88.9
5Arkansas85.0
6Mississippi81.7
7Nevada78.9
8Kansas78.0
9Louisiana78.0
10Texas75.6
Bottom 10 states by heat wave risk
RankStateValue
50Hawaii0.0
49Wyoming5.0
48Maine9.5
47Colorado12.9
46North Dakota22.6
45New Hampshire24.3
44Montana28.8
43Connecticut29.0
42Massachusetts32.2
41Michigan36.1

About this map

hearthmap renders heat wave risk as a choropleth map of the United States. Zoom in to see census tract values shaded against the rest of the country, and click any region to see its exact value with margin of error.

You can layer filters and a custom match score on top of heat wave riskto find places that match what matters to you. Combine it with school ratings, housing prices, commute times, and more.

Source: FEMA National Risk Index · FEMA NRI v1.20

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