Storm reports — Wednesday, October 21, 2026

The NOAA Storm Prediction Center logged 3 tornado reports, 34 hail reports and 10 damaging-wind reports for the storm day from 12:00 UTC on Oct 21, 2026 to 12:00 UTC the next morning — most of them in AZ, CA, UT.

3tornado reports
34hail reports · largest 2.00″
10wind reports · peak 72 mph

Reports by state

AZ42CA2UT1NM1NV1

Tornado reports

UTCRatingPlaceCountyStateRemarks
12:41—4 N Bellemont (Nws FlagCoconinoAZApproximate start point of a brief EF1 rated tornado. Peak winds estimated to be 110 mph with path width of about 600 yards. The tornado proceeded about 2.3 miles north (FGZ)
14:32—5 Se Ponderosa ParkYavapaiAZAn EF1 rated tornado developed south of Walker and traveled north-northeast across Walker Road. The estimated maximum wind speed was 105 mph along its 8 mile path. Maxi (FGZ)
01:59—5 S Heber-OvergaardNavajoAZ*** 1 INJ *** Approximate start point of an EF-1 rated tornado that moved north through the Heber-Overgaard area. Peak winds estimated to be 110 mph along its 11 minute (FGZ)

Hail reports

UTCSizePlaceCountyStateRemarks
16:181.50″2 Nw Downtown FlagstaffCoconinoAZPublic reported hail up to the size of ping pong balls. Dents observed in a truck. (FGZ)
16:201.25″1 N Flagstaff AirportCoconinoAZPublic reported hail up the size of half dollars. (FGZ)
16:241.00″3 Nnw Downtown FlagstafCoconinoAZFormer NWS employee reported quarter sized hail in the Cheshire neighborhood. (FGZ)
16:281.25″1 Ne Downtown FlagstaffCoconinoAZPublic reported hail up to the size of half dollars. (FGZ)
16:281.00″1 N Downtown FlagstaffCoconinoAZCorrects previous hail report from 1 N Downtown Flagstaff. Public reported... via Facebook... hail up to the size of quarters. (FGZ)
16:311.25″2 Nw Downtown FlagstaffCoconinoAZPublic reported hail up to the size of half dollars. Hail accumulation on the ground. (FGZ)
16:341.50″2 N Flagstaff AirportCoconinoAZCorrects previous hail report from 2 N Flagstaff Airport. Public reported... via Facebook... hail up to the size of ping pong balls. (FGZ)
16:381.50″1 N Flagstaff AirportCoconinoAZA NWS employee reported hail up to the size of ping pong balls. (FGZ)
16:431.75″2 Wsw Downtown FlagstafCoconinoAZCorrects previous hail report from 2 WSW Downtown Flagstaff. Public reported via Facebook hail up to the size of golf balls. (FGZ)
17:081.00″1 N Downtown FlagstaffCoconinoAZPublic reported... via Facebook... hail up to the size of quarters. (FGZ)
17:341.50″2 N Flagstaff AirportCoconinoAZPublic reported... via Facebook... hail up to the size of ping pong balls. (FGZ)
17:431.75″2 Wsw Downtown FlagstafCoconinoAZPublic reported via Facebook hail up to the size of golf balls. (FGZ)
22:251.00″5 Ne GlendaleMaricopaAZ(PSR)
22:251.00″4 Ene PeoriaMaricopaAZ(PSR)
22:301.25″6 Sse Deer ValleyMaricopaAZ(PSR)
22:301.25″5 Ssw Deer ValleyMaricopaAZ(PSR)
22:301.75″4 Sse Deer ValleyMaricopaAZ(PSR)
22:321.00″2 Ne GlendaleMaricopaAZ(PSR)
22:321.50″4 Ne GlendaleMaricopaAZ(PSR)
22:342.00″4 Ne GlendaleMaricopaAZPhoto of a few hail stones with the largest estimated at 2 inches in diameter. (PSR)
22:351.50″4 S Deer ValleyMaricopaAZ(PSR)
22:381.00″2 Nw Show LowNavajoAZReport from mPING: Quarter (1.00 in.). (FGZ)
22:401.25″3 Se Deer ValleyMaricopaAZPhoto of multiple hail stones next to a tape measure with the largest stone around 1.25 inches. (PSR)
22:401.00″3 Ese Deer ValleyMaricopaAZ(PSR)
22:401.25″3 Ene Deer ValleyMaricopaAZ(PSR)
22:421.75″4 E Deer ValleyMaricopaAZ(PSR)
22:431.00″5 Se Deer ValleyMaricopaAZ(PSR)
22:451.75″5 E Deer ValleyMaricopaAZ(PSR)
22:451.50″5 Ene Deer ValleyMaricopaAZ(PSR)
23:091.75″5 Sw RockvilleWashingtonUTTrained spotter reported golf ball sized hail via social media. (SLC)
23:201.50″6 E PrewittMckinleyNM(ABQ)
23:561.00″10 S SaffordGrahamAZMeasured biggest hail stone of quarter sized hail. (TWC)
00:341.00″2 Ese Punkin CenterGilaAZPhoto of an estimated quarter-sized hail stone. (PSR)
05:001.75″4 Nw MesquiteClarkNV(VEF)

Wind reports

UTCGustPlaceCountyStateRemarks
13:45damage5 Nne Bellemont (Nws FlCoconinoAZA former NWS employee reported dozens of 1-2 ft diameter ponderosa pine trees down in the forest. Some trees were snapped. Time is estimated based on radar signatures. (FGZ)
14:3960 mph4 Ese Prescott CourthouYavapaiAZCorrects 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 (FGZ)
14:53damage2 N WalkerYavapaiAZReport from Wednesday morning. Yavapai Sheriff Office reported trees down and caused closure of Walker Rd around mile post 4. (FGZ)
16:1772 mphFlagstaff AirportCoconinoAZASOS station KFLG Flagstaff Airport. (FGZ)
17:3960 mph4 Ese Prescott CourthouYavapaiAZLaw enforcement reported downed trees on Walker Road between mile markers 3 and 4 near Lynx Lake. (FGZ)
22:3060 mph4 Ese GlendaleMaricopaAZ(PSR)
23:4661 mph10 S SaffordGrahamAZMeasured peak wind gust of 61 mph. (TWC)
01:00damage2 S San ClementeOrangeCAMedia relayed photos and videos of damaged trees with one large tree uprooted. In order to collect more information... NWS San Diego conducted a storm survey to determi (SGX)
02:02damage2 Se Heber-OvergaardNavajoAZ*** 1 INJ *** 46 structures sustained damaged in Heber-Overgaard. There was 1 non life-threatening injury to a bicyclist. Time of report is estimated by radar. Further (FGZ)
06:30damage1 N CarpinteriaSanta BarbaraCALarge tree branch downed by winds. (LOX)

Original file: SPC report page for this day. Times are UTC; the storm day starts at 12:00 UTC (7 AM CDT).

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