Excessive Heat — St. Mary's, Maryland

2024-07-15 · St. Mary's, Maryland

Event narrative

The ASOS at Patuxent NAS (KNHK) measured a peak heat index value of 112, with a high temperature of 96F. Several mesonets in the county measured peak heat indices around 110.

Wider weather episode

Hot and humid conditions overspread much of the region on July 15 and July 16, resulting in the hottest temperatures of the Summer in 2024. Heat index values reached and exceeded 100 to 110, with daily record high temperatures tied and set.

Source: NOAA Storm Events Database, event_id 1205049. Narrative written by the NWS forecast office that issued the report.