Excessive Heat — Deer Valley, Arizona

2020-09-17 · Deer Valley, Arizona

Wider weather episode

Strong high pressure over the Desert Southwest led to excessive heat conditions on the 17th. A record high temperature of 109 degrees was set in Phoenix on this date. No heat-associated fatalities were reported by the Maricopa County Department of Health during this event.

Source: NOAA Storm Events Database, event_id 993435. Narrative written by the NWS forecast office that issued the report.