Severe Thunderstorm Warning Issued for Maricopa and Yuma Counties, AZ
This alert is no longer in effect.
NOAA issued it on September 1, 2026, 2 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 east central Yuma County and Maricopa County until 6:45 PM MST on August 31.
30 seconds on this weather notice
- Record type
- Severe Thunderstorm Warning
- Affected area
- Maricopa and Yuma Counties, Arizona
- Issued
- September 1, 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 2 weeks ago; use the issuing agency's live warning service for current conditions in Maricopa and Yuma Counties, Arizona.
Alert Details
A Severe Thunderstorm Warning was issued by NWS Phoenix AZ on August 31 at 6:19 PM MST, effective immediately until 6:45 PM MST.
Affected Areas
The warning covers east central Yuma County in southwestern Arizona and Maricopa County in south central Arizona. Locations impacted include Sundad and Hyder.
What You Should Do
For protection, move to an interior room on the lowest floor of a building. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 6:18 PM MST, a severe thunderstorm was located 14 miles north of Paloma or 42 miles southwest of Tonopah, moving northeast at 20 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Torrential rainfall is occurring and may lead to flash flooding. Hail damage to vehicles is expected, along with wind damage to roofs, siding, and trees.
Timeline
The alert is effective from 6:19 PM MST until 6:45 PM MST on August 31, 2026.
Original source: NOAA Official Notice ↗
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Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
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