Severe Thunderstorm Warning
Severe Thunderstorm Warning issued October 22 at 11:58AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ
Affected area: Coconino, AZ
Effective: Oct 22, 2026 11:58 AM GMT-0700
Expires: Oct 22, 2026 12:15 PM GMT-0700
Alert details
At 1158 AM MST, a severe thunderstorm was located 9 miles north of
Mormon Lake, or 15 miles southeast of Flagstaff, moving north at 45
mph.
HAZARD…Half dollar size hail.
SOURCE…Radar indicated.
IMPACT…Damage to vehicles is expected.
Locations impacted include…
Mountainaire, Mormon Lake, Lakeview, Northern Arizona University,
Pine Canyon, Flagstaff Pulliam Airport, Walnut Canyon National
Monument, Fisher Point, Mormon Mountain, Upper Lake Mary, Marshall
Lake, Lower Lake Mary, Perry Lake and Ashurst Lake.
This includes the following highways…
Interstate 40 between mile markers 194 and 197…and between mile
markers 214 and 215. Interstate 17 near mile marker 339.
This includes the following recreation areas and campgrounds…
Dairy Springs Campground, Double Springs Campground, Canyon Vista
Campground, Ashurst Lake Campgrounds, Pine Grove Campground, Canyon
Vista Campground, Forked Pine Campground, Dairy Springs Campground,
Double Springs Campground, Lake View Campground, Lakeview Campground
and Fort Tuthill County Park.
Safety information
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing large hail.
A Tornado Watch remains in effect until 800 PM MST Thursday for a
portion of north central Arizona.
Source: NWS Flagstaff AZ
View the official National Weather Service alert
This post is automatically updated from official National Weather Service alert data.
