Severe Thunderstorm Warning Issued for Maricopa County, AZ (Aug 31, 2026, 2:54 AM UTC)

Source: NOAA · Maricopa County, Arizona

This alert is no longer in effect.

NOAA issued it on August 31, 2026, 3 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Phoenix has issued a Severe Thunderstorm Warning for Maricopa County until 8:30 PM MST on August 30, 2026, with 60 mph winds and penny-size hail.

The weather record, at a glance

Record type
Severe Thunderstorm Warning
Affected area
Maricopa County, Arizona
Issued
August 31, 2026
Issuing authority
NWS Phoenix AZ

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 3 weeks ago; use the issuing agency's live warning service for current conditions in Maricopa County, Arizona.

Alert Details

A Severe Thunderstorm Warning was issued by the National Weather Service in Phoenix AZ for Maricopa County in south central Arizona. The alert is effective from 7:54 PM MST on August 30, 2026, until 8:30 PM MST on August 30, 2026.

Affected Areas

The warning covers Maricopa County. Locations impacted include Palo Verde Nuclear Generation Station, Hassayampa, and Arlington. At 7:54 PM MST, the storm was located 8 miles west of Painted Rock Dam, or 19 miles south of Tonopah.

What You Should Do

For your protection, move to an interior room on the lowest floor of a building.

Expected Conditions

The storm features 60 mph wind gusts and penny size hail, with the potential for damage to roofs, siding, and trees. The storm is moving north at 25 mph.

Timeline

The warning is in effect until 8:30 PM MST on August 30, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

What people usually ask about a notice like this one.

What is this NWS weather alert about?
NWS Phoenix has issued a Severe Thunderstorm Warning for Maricopa County until 8:30 PM MST on August 30, 2026, with 60 mph winds and penny-size hail.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Maricopa County, Arizona. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.