Heat — Sanborn, South Dakota

2024-08-02 to 2024-08-03 · Sanborn, South Dakota

Event narrative

Two-day heat index readings peaked at 103 degrees at the South Dakota Road Weather Information System site near Forestburg and at the South Dakota State University Mesonet site near Letcher.

Wider weather episode

Stagnant conditions south of a stalled frontal boundary across North Dakota and central Minnesota led to high dew points and very warm conditions across the region. Afternoon and early evening heat index values varied from 100 to 110 degrees each afternoon.

Source: NOAA Storm Events Database, event_id 1214508. Narrative written by the NWS forecast office that issued the report.