NWS public zone CAZ527

San Bernardino County-Upper Colorado River Valley weather alerts

Public weather alerts linked to this verified National Weather Service zone.

NWS feedUpdates delayedShowing the last known state from Aug 2, 2026, 2:03 AM UTC. New alerts may not be shown yet.

Current answer

1 alert in last successful data

Open official zone data

Last known active Official severity: Severe

Extreme Heat Warning for Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side +19 more

Hualapai Mountains, Lake Havasu and Fort Mohave, Lake Mead - AZ side and 19 more

Until Aug 3, 2026, 3:00 AM UTC

Official zone ID: CAZ527
Zone type: public
State: California
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Severe

Extreme Heat Warning for Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side +13 more

Lake Havasu and Fort Mohave, Lake Mead - AZ side, Lake Mohave - AZ side and 13 more

Ended Jul 28, 2026, 3:00 AM UTC

Ended Official severity: Severe

Extreme Heat Watch for Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side +13 more

Lake Havasu and Fort Mohave, Lake Mead - AZ side, Lake Mohave - AZ side and 13 more

Ended Jul 21, 2026, 8:17 PM UTC

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This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.

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