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Excessive Heat in St. Mary's, Maryland
Excessive Heat June 23, 2025 · St. Mary's, Maryland
What the National Weather Service wrote
The ASOS at Patuxent NAS, KNHK, observed a peak heat index of 111F. The AWOS at Webster Airfield, KNUI, observed a peak heat index of 110F.
The wider storm
A large area of high pressure across the region brought extreme heat and humidity to the Mid-Atlantic.
Source: NOAA Storm Events Database, event 1259475. Narratives are written by the National Weather Service forecast office that issued the report.
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