Extreme Heat Watch issued March 15 at 1:24PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ

NWS Active Alerts report on Extreme Heat Watch issued March 15 at 1:24PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ.

Broad coverage Major update Updated Mar 15, 2026, 8:24 PM UTC

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What changed

Fresh follow-up from NWS Active Alerts; the story now has 6 reports.

First seen Mar 15, 2026, 8:00 PM UTC Latest source Mar 15, 2026, 8:24 PM UTC

Update 1 1h ago

NWS Active Alerts •published Mar 15, 2026, 8:24 PM UTC •fetched Mar 15, 2026, 8:25 PM UTC

Update 2 1h ago

NWS Active Alerts •published Mar 15, 2026, 8:00 PM UTC •fetched Mar 15, 2026, 8:05 PM UTC