Hail History

Home › Oklahoma › Stephens County › Duncan

Hail history for Duncan, OK

Last hail within 10 milesJul 5, 20261 in (quarter)
Hail days, last 12 months3
Largest hail since 20062.75 in (baseball)May 27, 2017
Hail days since 200665
Days with hail 1 inch or larger54
Tornadoes within 10 miles9
Damaging wind reports within 10 miles49

Hail has been reported within 10 miles of Duncan on 65 days since 2006. The largest stones measured 2.75 in (baseball) on May 27, 2017. Hail is most common here in May and April.

Recent hail near Duncan

DateHail sizeWhereSource
Jul 5, 20261 in
quarter		Marlow
1 hail report · closest 10 mi from Duncan		NWS storm report (preliminary)
Apr 25, 20261.25 in
half dollar		Duncan, Sunray
2 hail reports · closest 1 mi from Duncan		NOAA Storm Events
Mar 10, 20261.5 in
ping pong ball		Duncan
1 hail report · closest 5 mi from Duncan		NOAA Storm Events
May 22, 20251.75 in
golf ball		Velma, Duncan, Sunray
4 hail reports · closest 1 mi from Duncan		NOAA Storm Events
Apr 1, 20251.25 in
half dollar		Duncan
4 hail reports · closest near the center of Duncan		NOAA Storm Events
Mar 29, 20251.75 in
golf ball		Duncan, Empire City
4 hail reports · closest near the center of Duncan		NOAA Storm Events

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

Hail days near Duncan by year

20640720840931051141241321441521641731831962021122323324325326

When hail season peaks near Duncan

Of the 65 hail days since 2006, most fell in May (23) and April (14).

1Jan2Feb9Mar14Apr23May4Jun4Jul2Aug1Sep3Oct1Nov1Dec

Largest hail storms near Duncan

May 9, 2015 · 2.75 in (baseball) · Comanche (9 mi from Duncan)

National Weather Service description (English): Reported at highway 81 and highway 7 bypass. No damage reported.

May 27, 2017 · 2.75 in (baseball) · Duncan (1 mi from Duncan)

National Weather Service description (English): Spotter reported the hail was covering his yard.

Mar 30, 2006 · 2.5 in (tennis ball) · Kingston (8 mi from Duncan)

May 13, 2009 · 2 in (hen egg) · Duncan (0 mi from Duncan)

National Weather Service description (English): Hail up to two inches in diameter was reported in and around Duncan.

May 11, 2016 · 2 in (hen egg) · Comanche (10 mi from Duncan)

Tornadoes within 10 miles of Duncan

DateRatingWherePath
Nov 3, 2024EF1Duncan
6 mi from Duncan		1.3 mi long, 50 yd wide
Jun 15, 2023EF0Sunray
6 mi from Duncan		0.8 mi long, 200 yd wide
Jun 15, 2023EF1Comanche
10 mi from Duncan		0.5 mi long, 20 yd wide
Jun 15, 2023EF?Empire City
10 mi from Duncan		0.5 mi long, 50 yd wide
Dec 13, 2022EF1Duncan
2 mi from Duncan		0.3 mi long, 50 yd wide
May 18, 2017EF0Empire City
6 mi from Duncan		0.2 mi long, 50 yd wide
May 8, 2016EF?Marlow
9 mi from Duncan		1.3 mi long, 40 yd wide
May 20, 2013EF0Marlow
5 mi from Duncan		1.0 mi long, 30 yd wide
May 20, 2013EF1Marlow
7 mi from Duncan		4.0 mi long, 200 yd wide

Damaging thunderstorm winds near Duncan

49 reports of damaging thunderstorm wind within 10 miles of Duncan since 2006, on 40 days. The strongest measured gust was 71 mph on May 30, 2018.

DateStrongest gustWhereSource
Apr 30, 202575 mph, estimatedComanche
2 wind reports		NOAA Storm Events
Nov 3, 202464 mph, estimatedComanche, Duncan
2 wind reports		NOAA Storm Events
Jul 4, 202458 mph, measuredDuncan
1 wind report		NOAA Storm Events
Apr 27, 202470 mph, estimatedDuncan
1 wind report		NOAA Storm Events
Jul 7, 202360 mph, measuredDuncan
1 wind report		NOAA Storm Events
Jun 15, 202381 mph, estimatedComanche
1 wind report		NOAA Storm Events
Mar 16, 202360 mph, estimatedComanche
1 wind report		NOAA Storm Events
Feb 26, 202375 mph, estimatedDuncan
2 wind reports		NOAA Storm Events
Jul 11, 202160 mph, estimatedComanche
1 wind report		NOAA Storm Events
Jul 30, 202060 mph, estimatedDuncan
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 Duncan; 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 Duncan.

Run a roofing company or a local news site? Show Duncan's hail history on your website with our free widget →

Roofing or restoration company? Get an email within the hour when hail is reported near Duncan with our hail alerts ($29 a month) →