Alert archive / Arizona / Red Flag Warnings in 2026

Red Flag Warning 3, NWS Flagstaff, AZ

May 15, 20264 counties in Arizona

NWS Flagstaff, AZ issued this red flag warning at May 15, 2026, 10:46 AM MST for 4 counties in Arizona. It took effect at May 16, 2026, 11:00 AM MST. It was in force for 9 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: May 15, 2026, 10:46 AM MST (17:46 UTC)
In effect from: May 16, 2026, 11:00 AM MST
Expired: May 16, 2026, 8:00 PM MST
In force: 9 hr
Issued by: NWS Flagstaff, AZ

Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 83 km from the middle of the area, began a volume at 17:49 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.

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Flagstaff, AZ wrote its last area forecast discussion before this red flag warning went out at May 14, 4:14 PM MST, 18 hours 32 minutes earlier.

Area forecast discussion, May 14, 4:14 PM MST, 18 hours 32 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 10:59 AM MST	Red Flag Warning	FGZ	Apache, Coconino, Navajo	57 hr

Nearby

Red Flag Warnings in Arizona, 2026 Every red flag 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.