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Hail Storm Map — October 21, 2026

Hail storm map for October 21, 2026: max 2.50" hail across AZ, NM, NV, UT, ~131,211 structures in swath.

AZNMNVUT

Hail-affected U.S. states Alabama Alaska Arizona — hail affected Colorado Florida Georgia Indiana Kansas Maine Massachusetts Minnesota New Jersey North Carolina North Dakota Oklahoma Pennsylvania South Dakota Texas Wyoming Connecticut Missouri West Virginia Illinois New Mexico — hail affected Arkansas California Delaware District of Columbia Hawaii Iowa Kentucky Maryland Michigan Mississippi Montana New Hampshire New York Ohio Oregon Tennessee Utah — hail affected Virginia Washington Wisconsin Nebraska South Carolina Idaho Nevada — hail affected Vermont Louisiana Rhode Island

A severe hail event swept across AZ, NM, NV, UT on October 21, 2026, with MRMS radar measuring stones up to 2.50". An estimated 131,211 structures fell inside the qualifying swath. Arizona took the brunt with ~125,536 structures estimated in the ≥1" footprint. Roughly 2,871 of those sat under destructive ≥2.50" stones — the radar tier that routinely totals roofs and shatters auto glass. NOAA logged 38 hail reports and 36 wind reports for the day.

Max hail size
2.50"
States impacted
4
Structures in swath
131,211

Estimated structures affected by state & hail size

State≥1.00"≥1.75"≥2.50"
Arizona125,53630,5422,871
Nevada4,0845880
Utah1,16800
New Mexico42340

NOAA storm reports

Hail reports (18)

Arizona · 16 reports

TimeLocationCountyObserver comment
03:17Grand Canyon VillageCoconinoReport from mPING: Half-inch (0.50 in.).
09:182 NW Downtown FlagstaffCoconinoPublic reported hail up to the size of ping pong balls. Dents observed in a truck.
09:201 N Flagstaff AirportCoconinoPublic reported hail up the size of half dollars.
09:243 NNW Downtown FlagstafCoconinoFormer NWS employee reported quarter sized hail in the Cheshire neighborhood.
09:281 N Downtown FlagstaffCoconinoCorrects previous hail report from 1 N Downtown Flagstaff. Public reported, via Facebook, hail up to the size of quarters.
09:281 NE Downtown FlagstaffCoconinoPublic reported hail up to the size of half dollars.
09:312 NW Downtown FlagstaffCoconinoPublic reported hail up to the size of half dollars. Hail accumulation on the ground.
09:342 N Flagstaff AirportCoconinoCorrects previous hail report from 2 N Flagstaff Airport. Public reported, via Facebook, hail up to the size of ping pong balls.
09:381 N Flagstaff AirportCoconinoA NWS employee reported hail up to the size of ping pong balls.
09:432 WSW Downtown FlagstafCoconinoCorrects previous hail report from 2 WSW Downtown Flagstaff. Public reported via Facebook hail up to the size of golf balls.
15:344 NE GlendaleMaricopaPhoto of a few hail stones with the largest estimated at 2 inches in diameter.
15:382 NW Show LowNavajoReport from mPING: Quarter (1.00 in.).
15:403 SE Deer ValleyMaricopaPhoto of multiple hail stones next to a tape measure with the largest stone around 1.25 inches.
16:5310 S SaffordGrahamTrained spotter reports accumulating 0.5 inch diameter hail.
16:5610 S SaffordGrahamMeasured biggest hail stone of quarter sized hail.
17:342 ESE Punkin CenterGilaPhoto of an estimated quarter-sized hail stone.

Utah · 1 report

TimeLocationCountyObserver comment
16:095 SW RockvilleWashingtonTrained spotter reported golf ball sized hail via social media.

California · 1 report

TimeLocationCountyObserver comment
09:57ClovisFresnoPea sized hail reported in Clovis. Time estimated by radar at 10:57 AM.

Wind reports (26)

California · 23 reports

TimeLocationCountyObserver comment
08:104 SSW GrapevineKernMesonet station 991SE Sce West Grapevine.
08:408 W McKittrickKernMesonet station 679PG Galainena Grade Rd.
09:103 NNW Kecks Corner RteKernMesonet station PG648 Arco-Cholame.
09:107 NW McKittrickKernMesonet station 573PG Temblor.
09:40Blackwells CornerKernMesonet station 534PG Blackwells Corner.
09:442 ENE TaftKernMesonet station AU202 Taft.
09:451 NW Kecks Corner Rte 4KernMesonet station CF084 SR46 at Kecks Cnr (CTRANS).
09:5013 NNE KeeneKernMesonet station SE303 Walker Basin Pamela St (SCE).
10:001 SSE Lost HillsKernMesonet station 480PG Lost Hills.
10:1010 N Kecks Corner Rte 4KingsMesonet station 643PG York Ave.
10:1515 W CoalingaFresnoMesonet station TR419 Calfire Portable 43.
10:15TehachapiKernAWOS station KTSP Tehachapi Muni Airport.
10:205 SSW AuberryFresnoMesonet station PG432 Corlew Mountain (PGE).
10:2011 NNW Squaw ValleyFresnoMesonet station 502PG White Deer Tower.
10:203 SW Three RiversTulareMesonet station 436SE Sce Slick Rock Rd.
10:209 WNW CoalingaFresnoMesonet station LDEC1 Alcalde.
10:3910 SE AuberryFresnoMesonet station DVI021244 TH1.
10:4011 NNW CoalingaFresnoMesonet station PG684 Joaquin Ridge (PGE).
10:409 SSW Kettleman CityKingsMesonet station 564PG Reef Station.
10:4012 NNW Squaw ValleyFresnoMesonet station PG953 Pine Flat Lake Overlook.
10:406 SE Millerton LakeFresnoMesonet station PG640 Owens Mountain (PGE).
10:503 SW Lake IsabellaKernMesonet station SE232 Lake Isabella 3SW (SCE).
10:5013 SSW Blackwells CorneKernMesonet station PG907 Las Yeguas.

Arizona · 3 reports

TimeLocationCountyObserver comment
07:394 ESE Prescott CourthouYavapaiCorrects previous tstm wnd gst report from 4 ESE Prescott Courthouse. Yavapai County Sheriff office reported 5 downed trees on Walker Road near mile marker 4 near Lynx Lake.
09:17Flagstaff AirportCoconinoASOS station KFLG Flagstaff Airport.
16:4610 S SaffordGrahamMeasured peak wind gust of 61 mph.
Was a specific property in this swath?
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