Moderate Extreme Weather ● Active

Special Weather Statement issued October 20 at 9:30PM MST by NWS Phoenix AZ, United States of America

Event time: 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 930 PM MST, Doppler radar was tracking a strong thunderstorm near
Maricopa, or 12 miles southwest of Sun Lakes, moving northeast at 30
mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.

Locations impacted include...
Phoenix, Mesa, Chandler, Gilbert, Tempe, Sun Lakes, Maricopa,
Chandler Fashion Center Mall, Arizona Mills Mall, Chandler City
Hall, Tumbleweed Park, South Mountain Park, Arizona State
University, Fiesta Mall, Bapchule, Tempe Marketplace, South
Phoenix, Sky Harbor Airport and Gilbert City Hall.

This includes the following highways...
AZ Route 87 between mile markers 158 and 167. AZ Route 202 near mile
marker 1...and between mile markers 10 and 11...and between mile
markers 2 and 3...and between mile markers 37 and 39...and near mile
marker 4...and near mile marker 40. AZ Route 101 between mile markers
51 and 60. US Highway 60 between mile markers 173 and 182. AZ
Interstate 17 between mile markers 195 and 197. AZ Route 51 between
mile markers 1 and 5. AZ Interstate 10 between mile markers 145 and
148...and between mile markers 149 and 153. AZ Route 238 between mile
markers 42 and 44. AZ Route 347 between mile markers 174 and 183.

Measurements

Coordinates33.2240, -112.0020
RegionCentral Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal C
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyObserved
Cap Expires2026-10-20T22:15:00-07:00

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 04:31 UTC) · we last heard from WMO Alert Hub (national weather services) 34 seconds ago

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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.

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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 — Maricopa, AZ Severe Severe Storm United States active via NWS 11 min ago Severe Thunderstorm Warning — Maricopa, AZ Severe Severe Storm United States active via NWS 32 min ago Severe Thunderstorm Warning — Maricopa, AZ Severe Severe Storm United States active via NWS 51 min ago Severe Thunderstorm Warning — Maricopa, AZ; Pinal, AZ Severe Severe Storm United States active via NWS 1 hr ago Severe Thunderstorm Warning — Greenlee, AZ Severe Severe Storm United States active via NWS 4 hr 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.