FROM: NWS Flagstaff AZ
AREA: Grand Canyon Country
SENT: 2026-06-18T19:50:00-07:00
Extreme Heat Warning issued June 18 at 7:50PM MST until June 18 at 8:00PM MST by NWS Flagstaff AZ
Cooler temperatures are expected within the Grand Canyon over the
coming days, thus the Extreme Heat Warning will be allowed to expire.
Alert Expiration: 2026-06-18T21:00:00-07:00
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