Hail History

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Hail history for Converse County, WY

Last hail in the countyJul 18, 20251 in (quarter)
Hail days, last 12 monthsNone
Largest hail since 20064 in (grapefruit)Jun 12, 2017
Hail days since 200670
Days with hail 1 inch or larger65
Tornadoes in the county9
Damaging wind reports in the county56

110 hail reports in Converse County since 2006 on 70 days. The largest stones measured 4 in (grapefruit) on Jun 12, 2017.

Cities in Converse County

Recent hail in Converse County

DateHail sizeWhereSource
Jul 18, 20251 in
quarter
Lost Springs
1 hail report
NOAA Storm Events
Jun 16, 20251.75 in
golf ball
Clayton, Converse County Airport, Douglas
3 hail reports
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 Converse County by year

306207508409210311112413614715316217618519220121122102312422526

When hail season peaks in Converse County

JanFebMarApr12May22Jun25Jul9Aug2SepOctNovDec

Damaging thunderstorm winds in Converse County

56 reports of damaging thunderstorm wind in Converse County since 2006, on 40 days. The strongest measured gust was 82 mph on Jul 3, 2023.

DateStrongest gustWhereSource
Aug 22, 202657 mph, measuredBill
1 wind report
NWS storm report (preliminary)
Aug 15, 202662 mph, measuredDouglas
1 wind report
NWS storm report (preliminary)
Aug 10, 202668 mph, measuredDouglas, Glenrock
2 wind reports
NWS storm report (preliminary)
Jun 25, 202660 mph, measuredParkerton
1 wind report
NOAA Storm Events
Jun 20, 202681 mph, measuredBill, Ross, Converse County Airport
4 wind reports
NOAA Storm Events
Jul 4, 202562 mph, measuredBill, Birkner Hill
2 wind reports
NOAA Storm Events
Jul 1, 202564 mph, measuredConverse County Airport
1 wind report
NOAA Storm Events
Jul 27, 202462 mph, measuredConverse County Airport, Douglas
2 wind reports
NOAA Storm Events
Jul 26, 202362 mph, measuredConverse County Airport
1 wind report
NOAA Storm Events
Jul 6, 202361 mph, measuredConverse County Airport
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 Converse 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).