Excessive Heat — Big Stone, Minnesota

2023-08-22 · Big Stone, Minnesota

Wider weather episode

A heat dome to the south resulted in temperatures in the upper 90s and dewpoints in the upper 70s and low 80s. A temperature of 100 degrees and a dewpoint of 85 degrees generated a peak heat index value of 133 degrees on a personal weather station 8 miles north of Odessa, though no information on how this station has been cited is available. Across Big Stone County, the peak heat index exceeded 110 degrees at every weather station reported for the day.

Source: NOAA Storm Events Database, event_id 1114251. Narrative written by the NWS forecast office that issued the report.