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Hail reports Arizona

No hail reports arrived in Arizona in the last 24 hours. The state averages about 36 reports a year, and its largest stone on record measured 3.00 inches at Flagstaff on Jul 19, 1998.

From 2005 through 2025, the Storm Events Database logs about 36 hail reports in Arizona a year, across about 18 days.

Largest hailstones on record in Arizona

Largest hailstones recorded in Arizona since 1996, Storm Events Database
DiameterSizePlaceDate
3.00 inchesTea cupFlagstaff, Coconino CountyJul 19, 1998
3.00 inchesTea cupTucson, Pima CountyAug 28, 2002
3.00 inchesTea cupWest Chandler, Maricopa CountyOct 5, 2010
2.75 inchesBaseballPrescott, Yavapai CountySep 15, 1999
2.75 inchesBaseballBlack Canyon City, Yavapai CountyAug 15, 2003
2.75 inchesBaseballIndian Vlg, Coconino CountyOct 6, 2010
2.75 inchesBaseballSun Vly, Navajo CountySep 1, 2018
2.75 inchesBaseballTanque, Graham CountySep 12, 2025
2.50 inchesTennis ballScottsdale, Maricopa CountyOct 5, 2010
2.50 inchesTennis ballLeupp Corner, Coconino CountyJun 5, 2015

Record figures come from the Storm Events Database at NCEI, a reviewed log that trails live reports by 2 to 3 months. Records start in 1996 and averages cover 2005-2025.

Hail reports by month

Average hail reports per month in Arizona, 2005 to 2025
MonthJanFebMarAprMayJunJulAugSepOctNovDec
Reports0.10.30.60.10.82108760.70.3

Counties in Arizona with the most hail reports

Counties in Arizona with the most hail reports a year, 2005 to 2025
CountyReports a year
Maricopa6.6
Pima5.1
Yavapai4.6
Coconino4.3
Cochise3.8
Mohave2.8
Pinal2.0
Navajo1.8
Gila1.7
Santa Cruz1.5

Cities in Arizona with hail data

Tracked cities in Arizona with average hail reports a year within 25 miles and the largest on record
CityReports a yearLargest since 1996
Phoenix5.43.00 inches Oct 5, 2010
Tucson4.43.00 inches Aug 28, 2002
Flagstaff2.82.75 inches Oct 6, 2010

National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.

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