Extreme Heat Warning: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side

source: us-gov-api (us-gov-api:noaa-weather)published 2026-08-22 15:31ingested 2026-08-23 06:38

extract

Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with temperatures up to 115 to 118 degrees expected through Death Valley and the lower Colorado River Valley, with highs between 107 to 110 degrees elsewhere. Near record warm low temperatures expected in urban areas. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Northwest Deserts, Death Valley National Park, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events.

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The historical document was shared with another weather alert and cannot be attributed to this record.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.