Severe Thunderstorm Warning issued September 17 at 5:42PM MST until September 17 at 6:15PM MST by NWS Flagstaff AZ

**Severe Thunderstorm Warning issued September 17 at 5:42PM MST until September 17 at 6:15PM MST by NWS Flagstaff AZ**

SVRFGZ

The National Weather Service in Flagstaff has issued a

* Severe Thunderstorm Warning for... Coconino County in north central Arizona...

* Until 615 PM MST /715 PM MDT/.

* At 542 PM MST /642 PM MDT/, a severe thunderstorm was located 7 miles north of Wupatki National Monument, or 33 miles south of Tuba City, moving east at 15 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... Black Falls Crossing, Wupatki National Monument, Ward Terrace, Black Falls, Standing Rocks and Gray Mountain.

This includes U.S. Highway 89 between mile markers 457 and 460.

**What You Should Do:**

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Flagstaff AZ

- **Effective:** Sep 17, 2026 5:42 PM UTC

- **Expires:** Sep 17, 2026 6:15 PM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*