NWS Flagstaff AZSV.W 0128September 23, 2026
Severe Thunderstorm Warning: Yavapai, AZ
The National Weather Service office in Flagstaff issued a severe thunderstorm warning for Yavapai in Arizona, which was in force until 4:30 p.m. local time on September 23. It was the 128th severe thunderstorm warning the NWS office in Flagstaff issued in 2026. Arizona had 91 severe thunderstorm warnings in September 2026, against 52 in an average September of 2008-2025 (Arizona's severe thunderstorm warnings by year).
ExpiredWarning
In force for 36 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Flagstaff AZ
- Area
- Yavapai
- State
- Arizona
- Level
- Warning
- Issued
- 3:54 p.m. PDT, September 23, 2026
- Expires
- 4:30 p.m. PDT, September 23, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KFGZ SV.W 0128
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Yavapai County in west central Arizona... * Until 430 PM MST. * At 354 PM MST, a severe thunderstorm was located over the Agua Fria National Monument, or 32 miles south of Camp Verde, moving south at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Agua Fria National Monument, Black Canyon City, Sunset Point Rest Area and Rock Springs. This includes Interstate 17 between mile markers 242 and 257. This includes the following recreation areas and campgrounds... Black Canyon Campground.
What the agency told people to do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.