Heat — Lake, Tennessee

2025-07-21 · Lake, Tennessee

Event narrative

Maximum heat index of 109 degrees.

Wider weather episode

Dangerous heat and humidity persisted across the Mid-South. Heat indices ranged between 105 and 110 across West Tennessee as an upper-level ridge continued to build, nudging temperatures and heat indices upwards daily. A heat-related fatality was recorded in Lexington (Henderson County).

Source: NOAA Storm Events Database, event_id 1283434. Narrative written by the NWS forecast office that issued the report.