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Extreme Heat Warning: Grand Canyon Country

source: us-gov-api (us-gov-api:noaa-weather)published 2026-08-17 21:28ingested 2026-08-18 06:42

extract

Extreme Heat Warning — Grand Canyon Country Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 94 to 99 degrees at Havasupai Gardens, and 107 to 111 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...From 10 AM Tuesday to 8 PM MST Thursday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.

retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.