Heat — Mississippi, Arkansas

2025-07-19 · Mississippi, Arkansas

Event narrative

Maximum heat index of 107 degrees.

Wider weather episode

Dangerous heat and humidity remained in place across eastern Arkansas as deep, tropical moisture continued to flow into the region. Dewpoints in the mid to upper 70s and temperatures in the low to mid 90s resulted in heat indices from 105 to 110 degrees.

Source: NOAA Storm Events Database, event_id 1283319. Narrative written by the NWS forecast office that issued the report.