Alert archive / Arizona / Flash Flood Warnings in 2026

Flash Flood Warning 76, NWS Phoenix, AZ

September 29, 2026Maricopa County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Sep 29, 2026, 5:56 AM MST for Maricopa County, Arizona. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 29, 2026, 5:56 AM MST (12:56 UTC)
Expired
Sep 29, 2026, 9:00 AM MST
In force
3 hr
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 12:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 12:30 AM MSTAreal Flood AdvisoryPSRLa Paz, Maricopa3 hr
Sep 29, 3:03 AM MSTSpecial Weather StatementPSRMaricopa42 min
Sep 29, 3:14 AM MSTAreal Flood AdvisoryPSRMaricopa3 hr
Sep 29, 3:20 AM MSTAreal Flood AdvisoryPSRGila, Pinal11 hr
Sep 29, 3:33 AM MSTAreal Flood AdvisoryPSRMaricopa, Yuma3 hr
Sep 29, 4:00 AM MSTSpecial Weather StatementPSRMaricopa45 min
Sep 29, 4:11 AM MSTAreal Flood AdvisoryPSRMaricopa4 hr
Sep 29, 4:31 AM MSTFlash Flood Warning Considerable damage threatPSRMaricopa5 hr
Sep 29, 4:38 AM MSTSpecial Weather StatementPSR37 min
Sep 29, 6:11 AM MSTAreal Flood WarningPSRMaricopa5 hr
Sep 29, 9:02 AM MSTAreal Flood AdvisoryPSRGila, Maricopa, Pinal7 hr
Sep 29, 9:26 AM MSTAreal Flood WarningPSRMaricopa3 hr
Sep 29, 9:42 AM MSTAreal Flood WarningPSRMaricopa3 hr
Sep 29, 4:31 PM MSTFlash Flood Warning Considerable damage threatPSRMaricopa4 hr
Sep 28, 10:15 PM MSTAreal Flood AdvisoryPSRRiverside, San Bernardino3 hr

Nearby

Flash Flood Warnings in Arizona, 2026Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.