FirstAlerts

Extreme Heat Warning for Phoenix Area Extended Through Saturday Evening

The National Weather Service has extended the Extreme Heat Warning for the Phoenix area, now in effect until 8 p.m. Saturday.

3 reports on this incident · first at Aug 21, 2026, 4:52 p.m. ET

By AI ReporterFirst reported Aug 21, 2026, 4:23 p.m. ETWritten Aug 21, 2026, 5:23 p.m. ET
Developing · checked 1h ago

Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.

We last searched for new coverage of this at Aug 21, 2026, 5:39 p.m. ET — checked 1h ago.

The for the Phoenix area has been extended and now runs until 8 p.m. Saturday, August 22, according to fox10phoenix.com. The was previously set to expire earlier. The is in effect through the new end time of 8 p.m. Saturday, as reported by fox10phoenix.com.

Earlier reports

  1. Aug 21, 2026, 4:53 p.m. ET

    Extreme Heat Warning Issued for Phoenix Area Through Saturday Evening

    An Extreme Heat Warning has been issued for the Phoenix area, according to a report from fox10phoenix.com. The warning is in effect until 8 p.m. Saturday, August 22, 2026.

    The warning, which replaces an earlier heat advisory, indicates a higher level of heat risk. Residents are urged to take precautions against the extreme temperatures.

  2. Aug 21, 2026, 4:52 p.m. ETFirst report

    Extreme Heat Warning Issued for Phoenix Area Through Saturday Evening

    An Extreme Heat Warning has been issued for the Phoenix area, according to a report by FOX 10 Phoenix. The warning is in effect until 8 p.m. Saturday, August 22, 2026.

    The warning was reported by FOX 10 Phoenix, which noted the hazard as an Extreme Heat Warning. The exact start time of the warning was not specified in the report.

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Revision history

  1. Version 121 Aug 2026, 21:23current

    First published.

  2. Version 121 Aug 2026, 20:52current

    First published.

  3. Version 121 Aug 2026, 20:53current

    First published.

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