Severe Thunderstorm Warning Issued for Maricopa County, AZ

Source: NOAA · Maricopa County, Arizona

This alert is no longer in effect.

NOAA issued it on August 31, 2026, 8 days 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 10:15 PM MST with 60 mph winds and potential flash flooding.

Read this weather record in 30 seconds

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 8 days 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 on August 30 at 9:35 PM MST. The alert is effective from 2026-08-30T21:35:00-07:00 until 2026-08-30T22:15:00-07:00.

Affected Areas

Maricopa County in south central Arizona. Locations impacted include Phoenix, Glendale, Peoria, Surprise, Avondale, El Mirage, Tolleson, Youngtown, Sun City West, Sun City, Waddell, Litchfield Park, Glendale Sports Complex, Deer Valley Airport, and Luke AFB. Highways affected: AZ Interstate 10 between mile markers 133 and 141; AZ Interstate 17 between mile markers 203 and 221; AZ Route 51 between mile markers 6 and 13.

What You Should Do

For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Expected Conditions

At 9:35 PM MST, a severe thunderstorm was located over Downtown Glendale moving northeast at 10 mph. Hazard includes 60 mph wind gusts and hail up to 0.75 inches. Source: Radar indicated.

Timeline

The warning is in effect until 10:15 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

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Phoenix has issued a Severe Thunderstorm Warning for Maricopa County until 10:15 PM MST with 60 mph winds and potential flash flooding.
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.