Excessive Heat — Western Montgomery, Pennsylvania

2021-08-11 to 2021-08-12 · Western Montgomery, Pennsylvania

Event narrative

Heat index values reached 105F on August 11 and 12, and locally on the 13th.

Wider weather episode

A multi-day excessive heat event occurred across much of the mid-Atlantic from August 11-13, 2021. Temperatures in the mid to upper 90s combined with dew point values near 70 caused widespread heat index values near to above 105F on both August 11 and 12, and locally into the 13th before a cold front brought relief.

Source: NOAA Storm Events Database, event_id 987504. Narrative written by the NWS forecast office that issued the report.