Occurred Oct 21, 2026, 11:59:00 PM UTC

First published Oct 22, 2026, 12:22:15 AM UTC · Last updated Oct 22, 2026, 12:54:16 AM UTC

Thunderstorms and lightning

Severe Thunderstorm Warning — NWS Tucson AZ

Original source title

Severe Thunderstorm Warning issued October 21 at 4:59PM MST until October 21 at 5:30PM MST by NWS Tucson AZ

Reported by U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS

The warning covered Graham and Greenlee counties, Arizona, for an observed storm producing possible 60 mph wind gusts and large hail. The source instructed people to shelter inside a well-built structure and stay away from windows.

At a glance

Affected location: Graham and Greenlee counties, Arizona

Share this event

Follow: Severe weather in United States

Manage follows

Why it matters

The warning described potential damaging winds and hail and called for immediate shelter.

Location

Show nearby reports · last 30 days

Highlighted marker: this event.

Update history

Oct 22, 2026, 12:32 AM UTC
The warning covered Graham and Greenlee counties, Arizona, for an observed storm producing possible 60 mph wind gusts and large hail. The source instructed people to shelter inside a well-built structure and stay away from windows.
U.S. National Weather Service Alerts NWS

Generated scores

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

Confidence: 8/10How 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: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

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
Severe Thunderstorm Warnings — FlagstaffOct 22, 2026, 1:07 AM UTC
3 related advisories are grouped here. Expand the group to review every affected area and source advisory.
Nearby · within 200 km
Severe Thunderstorm Warning issued October 21 at 5:55PM MST until October 21 at 6:45PM MST by NWS Tucson AZOct 22, 2026, 12:55 AM UTC
NWS Tucson issued a warning for central Greenlee County, Arizona, through 6:45 PM MST on October 21. At 5:55 PM MST, a storm near Morenci was moving northeast, with 60 mph wind gusts and quarter-size hail reported; people were told to shelter indoors.
Nearby · within 200 km
Severe Thunderstorm Warnings — TucsonOct 19, 2026, 11:06 PM UTC
5 related advisories are grouped here. Expand the group to review every affected area and source advisory.
Same topic
Special Marine Warning issued October 21 at 6:16PM PDT until October 21 at 8:15PM PDT by NWS Los Angeles/Oxnard CAOct 22, 2026, 1:16 AM UTC
The National Weather Service issued a warning for severe thunderstorms, with wind gusts above 50 knots and small hail, across coastal waters from Point Piedras Blancas to San Clemente Island, California. It was in effect until 8:15 PM PDT.
Same topic
Severe Thunderstorm Warning issued October 21 at 7:11PM MDT until October 21 at 7:45PM MDT by NWS Albuquerque NMOct 22, 2026, 1:11 AM UTC
NWS Albuquerque reported an observed severe thunderstorm in East Central McKinley County, New Mexico, with 60 mph wind gusts and quarter-size hail. The warning was in effect until 7:45 p.m. MDT on October 21, 2026.
Same topic
Orange Rain Warning issued for Spain - Norte de Gran CanariaOct 22, 2026, 12:40 AM UTC
Meteoalarm reported an observed severe-rain warning, marked orange and immediate, for Norte de Gran Canaria, Spain. The warning onset was 2026-10-22 at 00:00 UTC and it expires at 04:59:59 UTC.

Loading related developments…

Explore severe weather in united states