Moderate Extreme Weather ● Active

Special Weather Statement issued October 21 at 3:44PM MDT by NWS Salt Lake City UT, United States of America

Event time: Oct 21, 2026 21:44 UTC Last updated: 1 hr ago United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

At 344 PM MDT, Doppler radar was tracking an area of strong
thunderstorms near New Harmony, or 22 miles northwest of Zion
National Park, moving north at 35 mph.

HAZARD...Half inch size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
New Harmony.

This includes the following highways...
Utah Route 56 between mile markers 35 and 56. Interstate 15 between
mile markers 34 and 47.

Measurements

Coordinates	37.5378, -113.3356
Region	Southwest Utah; Lower Washington County; Southern Mountains
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Expected
Cap Certainty	Observed
Cap Expires	2026-10-21T16:15:00-06:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 1 hour ago (Oct 21, 2026 21:45 UTC) · we last heard from WMO Alert Hub (national weather services) 4 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

When thunder roars, go indoors — lightning risk outdoors, in vehicles, and first aid for strike victims.

Open Lightning Safety Guide →

Earlier extreme weather events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Blowing Dust Warning issued September 18 at 7:38PM CDT until September 18 at 8:00PM CDT by NWS Goodland KS, United States of America Severe Extreme Weather United States closed via WMO Sep 19, 2026 Blowing Dust Warning issued September 18 at 7:22PM CDT until September 18 at 8:00PM CDT by NWS Goodland KS, United States of America Severe Extreme Weather United States closed via WMO Sep 19, 2026 Blowing Dust Warning issued September 18 at 6:24PM CDT until September 18 at 8:00PM CDT by NWS Goodland KS, United States of America Severe Extreme Weather United States closed via WMO Sep 18, 2026 EVACUATION — 022053 Severe Extreme Weather United States closed via NWS Sep 18, 2026

Nearby & related events

Severe Thunderstorm Warning — Coconino, AZ Severe Severe Storm United States active via NWS 3 min ago Severe Thunderstorm Warning — Graham, AZ Severe Severe Storm United States active via NWS 5 min ago Tornado Warning issued October 21 at 3:47PM MST until October 21 at 4:00PM MST by NWS Flagstaff AZ, United States of America Extreme Tornado United States active via WMO 7 min ago Severe Thunderstorm Warning — Graham, AZ Severe Severe Storm United States active via NWS 12 min ago Severe Thunderstorm Warning — Inyo, CA Severe Severe Storm United States active via NWS 13 min ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.