Flash Flood Warning Issued for Maricopa and Pinal Counties, Arizona
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NWS Phoenix has issued a Flash Flood Warning for Maricopa and Pinal counties until 2:15 AM MST due to thunderstorms producing heavy rain and life-threatening flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Maricopa and Pinal Counties, Arizona
- Issued
- August 24, 2026
- Issuing authority
- NWS Phoenix AZ
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flash Flood Warning issued by NWS Phoenix AZ. Effective from August 23 at 11:11 PM MST until August 24 at 2:15 AM MST.
Affected Areas
Maricopa County in south central Arizona and Pinal County in southeastern Arizona. Specific locations include Mobile and AZ Route 238 between mile markers 20 and 29. Streams and drainages affected include West Prong Waterman Wash and Waterman Wash.
What You Should Do
Turn around, don't drown when encountering flooded roads. Report observed flooding to local emergency services or law enforcement.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain. Between 0.75 and 1.25 inches of rain have fallen with additional rainfall amounts up to 0.5 inches possible. Flash flooding is already occurring.
Timeline
The warning is in effect until 2:15 AM MST on August 24.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (857 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 24, 2026.
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