Extreme Heat Warning issued March 22 at 1:12PM MST until March 22 at 8:00PM MST by NWS Tucson AZ

NWS Active Alerts report on Extreme Heat Warning issued March 22 at 1:12PM MST until March 22 at 8:00PM MST by NWS Tucson AZ.

Developing Major update Updated Mar 22, 2026, 8:12 PM UTC

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What changed

NWS Active Alerts: Extreme Heat Warning issued March 22 at 1:12PM MST until March 22 at 8:00PM MST by NWS Tucson AZ.

First seen Mar 22, 2026, 1:53 PM UTC Latest source Mar 22, 2026, 8:12 PM UTC

Update 1 2h ago

NWS Active Alerts •published Mar 22, 2026, 8:12 PM UTC •fetched Mar 22, 2026, 8:14 PM UTC

Update 2 2h ago

NWS Active Alerts •published Mar 22, 2026, 7:46 PM UTC •fetched Mar 22, 2026, 7:47 PM UTC

Update 3 8h ago

NWS Active Alerts •published Mar 22, 2026, 1:53 PM UTC •fetched Mar 22, 2026, 1:54 PM UTC