5
High
Extreme Heat Risk in Wisconsin
Overall State Risk Score: 5/10
Wisconsin faces high extreme-heat risk. 1 of 72 counties (1%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: June-September
Highest-Risk Cities in Wisconsin
Notable Extreme Heat Events
Extreme Cold - East-central _ Southeast Wisconsin, United States
January 22, 2026 — WATCH
Milwaukee, WI
3,360,000 people exposed; $460,957M capital exposed
Extreme Cold - East and southeast Wisconsin, United States
January 22, 2026 — WARNING
Milwaukee, WI
3,360,000 people exposed; $460,957M capital exposed
Extreme Cold - Eastern Wisconsin, United States
January 22, 2026 — WARNING
Milwaukee, WI
3,360,000 people exposed; $460,957M capital exposed
Other Hazards in Wisconsin
Monitor Extreme Heat Activity in Wisconsin
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