Excessive Heat — Sanborn, South Dakota

2024-07-13 · Sanborn, South Dakota

Event narrative

Afternoon and evening heat indices ranged from 100 to 106 degrees with a maximum heat index of 106 degrees at the South Dakota State University mesonet site near Letcher and the South Dakota Road Weather Information System site near Forestburg.

Wider weather episode

Very warm temperatures with highs in the lower to mid 90s paired with oppressive dew point readings in the upper 70s to lower 80s produced afternoon and evening heat indices generally from 100 to 120 degrees with little overnight recovery. The most widespread oppressive conditions occurred during the afternoon and evening on July 13, with a secondary peak of heat across far southeast South Dakota on July 15.

Source: NOAA Storm Events Database, event_id 1204265. Narrative written by the NWS forecast office that issued the report.