Hail HistoryHome › Wyoming › Natrona County
Hail history for Natrona County, WY
109 hail reports in Natrona County since 2006 on 65 days. The largest stones measured 2.75 in (baseball) on Jun 22, 2013.
Cities in Natrona County
Recent hail in Natrona County
| Date | Hail size | Where |
|---|---|---|
| Jul 6, 2026 | 1 in quarter | Casper 1 hail report |
| Jun 25, 2026 | 1 in quarter | Midwest 1 hail report |
| Jul 29, 2025 | 0.88 in nickel | Mills, Bar Nunn 2 hail reports |
| Jun 16, 2025 | 2.25 in | Mills, Natrona Co Airport 3 hail reports |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Natrona County by year
When hail season peaks in Natrona County
Damaging thunderstorm winds in Natrona County
108 reports of damaging thunderstorm wind in Natrona County since 2006, on 74 days. The strongest measured gust was 86 mph on Jun 24, 2025.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 18, 2026 | 67 mph, measured | Evansville, Casper, Bar Nunn 4 wind reports |
| Aug 27, 2026 | 67 mph, measured | Mills, Casper, Natrona 3 wind reports |
| Aug 24, 2026 | 52 mph, measured | Ervay, Mills 2 wind reports |
| Aug 10, 2026 | 78 mph, measured | Mills 1 wind report |
| Jul 7, 2026 | 64 mph, measured | Bar Nunn 1 wind report |
| Jul 6, 2026 | 59 mph, measured | Bar Nunn 1 wind report |
| Jun 25, 2026 | 77 mph, measured | Natrona Co Airport, Alcova 2 wind reports |
| Jun 20, 2026 | 81 mph, measured | Natrona, Bar Nunn 2 wind reports |
| Jun 7, 2026 | 62 mph, measured | Casper, Midwest, Bar Nunn 3 wind reports |
| Jun 6, 2026 | 63 mph, measured | Hiland 1 wind report |
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 Natrona 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).