Extreme Heat Risk in Milwaukee, WI
Risk Level: Very High — Score 7/10
Live Extreme Heat alert status near Milwaukee
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Live extreme heat map around Milwaukee
Shows extreme heat warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.
Key Risk Factors
- FEMA rates Milwaukee's county as Relatively High risk
- Estimated annual loss of $25M from this hazard type
- 12 events recorded in proximity in recent decades
- 5 event(s) in the 12 months to Aug 9, 2026
- Average annual frequency: 3.1 events per year
Peak season: June-September
Last significant event: Extreme Heat Warning issued June 29 at 7:32PM CDT until July 1 at 7:00PM CDT by NWS Milwaukee/Sulliv (2026-06-28) — 12,500,000 people exposed
Highest Risk Cities for Extreme Heats
How Milwaukee Compares
Notable Extreme Heat Events Near Milwaukee
DisasterAWARE's historical archive records 5 notable extreme heat events near Milwaukee, ranked below by impact. The most impactful: Extreme Cold - United States (January 2025) — 158,777,000 people exposed; $26,054,772M capital exposed.
Extreme Cold - United States
January 17, 2025 — WARNING
158,777,000 people exposed; $26,054,772M capital exposed
Extreme Heat Warning issued June 29 at 7:32PM CDT until July 1 at 7:00PM CDT by NWS Milwaukee/Sulliv
June 28, 2026 — WARNING
12,500,000 people exposed; $1,550,560M capital exposed
Extreme Cold - Eastern Wisconsin, United States
January 23, 2026 — WARNING
3,360,000 people exposed; $460,957M capital exposed
Extreme Cold - East and southeast Wisconsin, United States
January 23, 2026 — WARNING
3,360,000 people exposed; $460,957M capital exposed
Extreme Cold - East-central _ Southeast Wisconsin, United States
January 23, 2026 — WATCH
3,360,000 people exposed; $460,957M capital exposed
Extreme Heat Preparedness Tips
- 1.Stay hydrated — drink water regularly even if you don’t feel thirsty
- 2.Avoid outdoor activities during peak heat hours (10 AM – 4 PM)
- 3.Know the signs of heat exhaustion and heat stroke
- 4.Check on elderly neighbors and those without air conditioning
- 5.Never leave children or pets in a parked vehicle
Related Pages
How this data is built
Milwaukee, WI extreme heat risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live extreme heat monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
The data behind this page
Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.
Monitor Extreme Heat Risk in Real Time
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