5
High
Extreme Heat Risk in Tennessee
Overall State Risk Score: 5/10
Tennessee faces high extreme-heat risk. 1 of 94 counties (1%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: June-September
Highest-Risk Cities in Tennessee
Notable Extreme Heat Events
Cold Weather - Middle Tennessee, United States
January 30, 2026 — ADVISORY
Nashville, TN
2,770,000 people exposed; $287,569M capital exposed
Excessive Heat - Eastern Arkansas, Northern Mississippi, Southeast Missouri, Western Tennessee, Unit
August 18, 2025 — WATCH
Memphis, TN
1,830,000 people exposed; $223,016M capital exposed
Excessive Heat - East Arkansas, North Mississippi, Southeast Missouri, West Tennessee, United States
August 17, 2025 — WARNING
Memphis, TN
1,830,000 people exposed; $223,016M capital exposed
Other Hazards in Tennessee
Monitor Extreme Heat Activity in Tennessee
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