Hail History

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Hail history for Carter County, MT

Last hail in the countyAug 17, 20261 in (quarter)
Hail days, last 12 months5
Largest hail since 20064.25 inJun 19, 2015
Hail days since 200690
Days with hail 1 inch or larger76
Tornadoes in the county9
Damaging wind reports in the county82

172 hail reports in Carter County since 2006 on 90 days. The largest stones measured 4.25 in on Jun 19, 2015.

Recent hail in Carter County

DateHail sizeWhereSource
Aug 17, 20261 in
quarter		Mill Iron
1 hail report		NWS storm report (preliminary)
Aug 11, 20261.75 in
golf ball		Capitol, Mill Iron
2 hail reports		NWS storm report (preliminary)
Jul 2, 20261 in
quarter		Alzada
1 hail report		NWS storm report (preliminary)
Jun 27, 20262 in
hen egg		Ridge, Hammond, Ekalaka
5 hail reports		NOAA Storm Events
Jun 7, 20263 in
tea cup		Ekalaka, Belltower, Alzada
3 hail reports		NOAA Storm Events
Jul 19, 20251.75 in
golf ball		Mill Iron
1 hail report		NOAA Storm Events
Jun 20, 20252.5 in
tennis ball		Ekalaka, Belltower
3 hail reports		NOAA Storm Events
Apr 27, 20251.5 in
ping pong ball		Ekalaka
1 hail report		NOAA Storm Events

One row per day: the largest hail reported in the county that day, the places and the number of reports.

Hail days in Carter County by year

5065078084096109112125134142154163177186197202142212324325526

When hail season peaks in Carter County

JanFebMar2Apr9May32Jun27Jul19Aug1SepOctNovDec

Damaging thunderstorm winds in Carter County

82 reports of damaging thunderstorm wind in Carter County since 2006, on 55 days. The strongest measured gust was 81 mph on Jun 28, 2018.

DateStrongest gustWhereSource
Aug 30, 202659 mph, measuredBelltower, Ekalaka, Alzada
5 wind reports		NWS storm report (preliminary)
Aug 17, 202652 mph, measuredEkalaka
1 wind report		NWS storm report (preliminary)
Jul 18, 202671 mph, measuredAlzada
1 wind report		NWS storm report (preliminary)
Jul 29, 202574 mph, measuredAlzada, Ridgeway
2 wind reports		NOAA Storm Events
Jul 5, 202570 mph, measuredAlzada
1 wind report		NOAA Storm Events
Jun 16, 202577 mph, measuredEkalaka Airport
1 wind report		NOAA Storm Events
Apr 27, 202561 mph, measuredEkalaka Airport
1 wind report		NOAA Storm Events
Aug 11, 202464 mph, measuredCapitol
1 wind report		NOAA Storm Events
Jul 13, 202475 mph, estimatedRidgeway, Belltower
6 wind reports		NOAA Storm Events
Sep 4, 202360 mph, measuredRidgeway
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 Carter County; 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.

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).