Excessive Heat — Union, Mississippi

2025-07-29 · Union, Mississippi

Event narrative

Maximum heat index of 111 degrees.

Wider weather episode

Oppressive heat continued to plague the Mid-South as an intense ridge retrograded across the Lower Mississippi Valley. Highs ranged from the upper 90s to the lower 100s. Dewpoints across the region soared into the upper 70s and low 80s. This combination led to dangerous heat indices greater than 110 degrees nearly areawide.

Source: NOAA Storm Events Database, event_id 1283895. Narrative written by the NWS forecast office that issued the report.