Hail History

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Hail history for Williamson, AZ

Last hail within 10 milesAug 14, 20261 in (quarter)
Hail days, last 12 months1
Largest hail since 20061.75 in (golf ball)Jul 17, 2017
Hail days since 200617
Days with hail 1 inch or larger14
Tornadoes within 10 miles2
Damaging wind reports within 10 miles20

Hail has been reported within 10 miles of Williamson on 17 days since 2006. The largest stones measured 1.75 in (golf ball) on Jul 17, 2017. Hail is most common here in July and August.

Recent hail near Williamson

DateHail sizeWhereSource
Aug 14, 20261.25 in
half dollar		Chino Valley
4 hail reports · closest 4 mi from Williamson		NWS storm report (preliminary)

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Williamson by year

20630708109101111213114151162171181920121222332425126

When hail season peaks near Williamson

Of the 17 hail days since 2006, most fell in July (6) and August (6).

Jan1FebMarApr1MayJun6Jul6Aug2Sep1OctNovDec

Largest hail storms near Williamson

Oct 9, 2014 · 1.75 in (golf ball) · Chino Vly (7 mi from Williamson)

National Weather Service description (English): Hail up to golf ball sized (1.75 inches in diameter) damaged some vehicles in Chino Valley between 540 and 600 PM.

Jul 17, 2017 · 1.75 in (golf ball) · Prescott Airport (3 mi from Williamson)

National Weather Service description (English): Golf ball sized (1 3/4 inch diameter) hail fell 5 miles north of Iron Springs Road on Williamson Valley Road.

Jul 16, 2017 · 1.5 in (ping pong ball) · Prescott Airport (4 mi from Williamson)

Aug 20, 2016 · 1.25 in (half dollar) · Forbing Park (9 mi from Williamson)

Aug 14, 2026 · 1.25 in (half dollar) · Chino Valley (8 mi from Williamson)

Tornadoes within 10 miles of Williamson

DateRatingWherePath
Sep 9, 2023EF0Chino Vly
6 mi from Williamson		0.1 mi long, 10 yd wide
Jul 11, 2021EF0Chino Vly
6 mi from Williamson		0.7 mi long, 10 yd wide

Damaging thunderstorm winds near Williamson

20 reports of damaging thunderstorm wind within 10 miles of Williamson since 2006, on 19 days. The strongest measured gust was 83 mph on Jul 11, 2021.

DateStrongest gustWhereSource
Aug 29, 202653 mph, measuredPrescott Airport
1 wind report		NWS storm report (preliminary)
Aug 20, 202658 mph, measuredChino Valley
1 wind report		NWS storm report (preliminary)
Aug 10, 2026damage reportedChino Valley
1 wind report		NWS storm report (preliminary)
Aug 7, 202470 mph, measuredPrescott Airport
1 wind report		NOAA Storm Events
Jul 21, 202461 mph, measuredPrescott Airport
1 wind report		NOAA Storm Events
Jul 22, 202364 mph, measuredForbing Park
1 wind report		NOAA Storm Events
Oct 3, 202260 mph, measuredPrescott Airport, Forbing Park
2 wind reports		NOAA Storm Events
Aug 15, 202158 mph, measuredIron Spgs
1 wind report		NOAA Storm Events
Jul 11, 202183 mph, measuredPrescott Airport
1 wind report		NOAA Storm Events
Aug 22, 202058 mph, estimatedPuro
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Williamson; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Williamson.

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