Right now, no one in Arizona is under a National Weather Service warning.
Updated Wed, 12:33 PM MST · counted every 10 minutes · 1 warning in force
In September 2026 the National Weather Service issued 268 warnings for Arizona, against 105 in an average September since 2008.
The most at once this month: 2,908 people, on October 21 (counted since October 21).
No county has anyone under a warning right now.
National Weather Service warnings, each counted once in the month it was issued. From the Iowa Environmental Mesonet's archive.
Free to quote and republish with a link. A line you can use:
InstaMaps counts the people in Arizona under a National Weather Service warning every 10 minutes, from 2020 Census data (get-instamaps.com/data/warnings/arizona).
How it's counted: method. Questions or a cut we don't have: gbade@get-instamaps.com (InstaMaps data team).
It shows Arizona's warnings and reloads itself every 10 minutes, so a story left open stays current.
The monthly report, the first Thursday of each month at 6 a.m. Eastern. And, when a big storm hits Arizona, a short note with the count. Nothing else, and one click stops it.
The monthly report: release dates. Population: 2020 Census. Warnings: the National Weather Service, refreshed every 10 minutes.