First published Oct 22, 2026, 10:34:15 PM UTC · Last updated Oct 22, 2026, 10:34:15 PM UTC

Thunderstorms and lightning

NWS Tucson warns of severe thunderstorm with large hail and damaging winds in Graham and Pinal Counties

Reported by U.S. National Weather Service Alerts NWS

A severe thunderstorm was reported southeast of Peridot, moving northeast at 50 mph, with tennis-ball-size hail and 60 mph wind gusts. People outdoors were instructed to shelter inside a sturdy building and stay away from windows.

At a glance

Affected location: Graham and Pinal Counties, Arizona

Share this event

Follow: Severe weather in United States

Manage follows

Why it matters

The warning describes an immediate threat of injury and damage in parts of southeastern Arizona.

Location

Show nearby reports · last 30 days

Highlighted marker: this event.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Severe Thunderstorm Warning issued October 22 at 3:06PM MST until October 22 at 3:45PM MST by NWS Tucson AZ

Report an issue

Read our editorial process and corrections policy.

Continue exploring

Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
NWS El Paso issues severe thunderstorm warning for Grant and Hidalgo counties, New MexicoOct 22, 2026, 10:12 PM UTC
The warning describes a severe thunderstorm near Lordsburg, with damaging wind gusts, large hail, and torrential rainfall; it directs people to shelter indoors and avoid flooded roads. It was in effect until 5 p.m. MDT on October 22.
Nearby · within 200 km
NWS Tucson issues severe thunderstorm warning for Graham, ArizonaOct 22, 2026, 10:03 PM UTC
The National Weather Service issued a severe thunderstorm warning for Graham, Arizona, from 3:03 to 3:30 p.m. MST on October 22, 2026. The alert reported 60 mph wind gusts and quarter-size hail and advised people to shelter indoors.
Nearby · within 200 km
Severe Thunderstorm Warnings — PhoenixOct 22, 2026, 8:58 PM UTC
7 related advisories are grouped here. Expand the group to review every affected area and source advisory.
Nearby · within 200 km
NWS Flagstaff issues severe thunderstorm warning for Apache County, ArizonaOct 22, 2026, 8:56 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Severe Thunderstorm Warning for Gila and Navajo Counties, ArizonaOct 22, 2026, 8:25 PM UTC
NWS Flagstaff issued a warning for Gila and Navajo counties until 2:00 PM MST on October 22, citing a storm with golf-ball-size hail. The alert instructs people outdoors to shelter inside a well-built structure and stay away from windows.
Nearby · within 200 km
NWS Flagstaff warns of severe thunderstorms in Navajo County through 8:30 a.m. MSTOct 22, 2026, 3:07 PM UTC
A radar-indicated severe thunderstorm was reported south of Heber-Overgaard, moving northeast with quarter-size hail. The warning called for shelter in a well-built structure and was in effect until 8:30 a.m. MST on October 22, 2026.

Loading related developments…

Explore severe weather in united states