Wisconsin

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$99.1B

Total Economic Impact

Counties

44.2

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 72 counties

Cold Wave

80.92 Avg Risk Score

Hail

66.9 Avg Risk Score

Heat Wave

63.69 Avg Risk Score

Strong Wind

63.65 Avg Risk Score

Tornado

62.74 Avg Risk Score

Lightning

57.22 Avg Risk Score

Winter Weather

53.94 Avg Risk Score

Landslide

47.62 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

severe-storm 34 events

$69.5B

drought 3 events

$15.0B

flooding 3 events

$14.0B

winter-storm 1 events

$0.7B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Milwaukee	93.76	Relatively Moderate	82.8%
2	Dane	90.74	Relatively Moderate	18.6%
3	Waukesha	85.56	Relatively Moderate	1.9%
4	Rock	81.26	Relatively Low	29.9%
5	Kenosha	78.4	Relatively Low	52.1%
6	Winnebago	78.24	Relatively Low	15.5%
7	Brown	78.11	Relatively Low	30.1%
8	St. Croix	76.11	Relatively Low	0.9%
9	Jefferson	75.6	Relatively Low	12.8%
10	Racine	75.21	Relatively Low	46.7%