5
High
Extreme Heat Risk in Ohio
Overall State Risk Score: 5/10
Ohio faces high extreme-heat risk. 3 of 88 counties (3%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: June-September
Highest-Risk Cities in Ohio
Notable Extreme Heat Events
Extreme Cold - Central and Southwest Ohio, United States
January 30, 2026 — WARNING
Columbus, OH
4,970,000 people exposed; $611,781M capital exposed
Extreme Cold - Southern Michigan, Northern Ohio, and Western Pennsylvania, United States
April 23, 2023 — WARNING
Columbus, OH
Impact data not available
Other Hazards in Ohio
Monitor Extreme Heat Activity in Ohio
Get real-time extreme heat monitoring and alerts for Ohio with DisasterAWARE's comprehensive platform.