Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 20 at 6:30PM MST until August 20 at 7:00PM MST by NWS Flagstaff AZ
Affected area: Coconino, AZ; Navajo, AZ
Effective: Aug 20, 2026 6:30 PM GMT-0700
Expires: Aug 20, 2026 7:00 PM GMT-0700
Alert details
SVRFGZ
The National Weather Service in Flagstaff has issued a
* Severe Thunderstorm Warning for…
Coconino County in north central Arizona…
Navajo County in north central Arizona…
* Until 700 PM MST.
* At 630 PM MST, a severe thunderstorm was located 6 miles south of
Winslow-Lindbergh Regional Airport, or 7 miles southwest of
Winslow, moving northwest at 10 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…
Winslow and Winslow-Lindbergh Regional Airport.
This includes the following highways…
Interstate 40 between mile markers 244 and 249. State Route 99
between mile markers 40 and 54. State Route 87 between mile markers
327 and 341.
Safety information
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Source: NWS Flagstaff AZ
View the official National Weather Service alert
This post is automatically updated from official National Weather Service alert data.
