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Hail history for Thermopolis, WY
Hail has been reported within 10 miles of Thermopolis on 13 days since 2006. The largest stones measured 2.00 in (hen egg) on Jun 16, 2015. Hail is most common here in July and August.
Recent hail near Thermopolis
| Date | Size hail | Where |
|---|---|---|
| Jul 29, 2025 | 1.00 in 25-sent coin | Thermopolis 1 hail report · closest 5 mi from Thermopolis |
Lukkuun foy chukw: hail kauchuw kaachin foy, anamw, is foy kaachin anamw.
Nn̄an anam̄mool ekkar Thermopolis meir
Ka anam̄mool ekkar kaan Thermopolis
Of 13 nn̄an anam̄mool ekkar 2006, most fell in July (6) and August (4).
Anam̄mool ekkar kaan Thermopolis
Jun 16, 2015 · 2.00 in (hen egg) · East Thermopolis (9 mi from Thermopolis)
National Weather Service description (English): Two inch diameter hail fell in the Wind River Canyon knocking out windows in vehicles traveling State Highway 789.Aug 30, 2010 · 1.50 in (ping pong ball) · Crosby (8 mi from Thermopolis)
Jul 15, 2019 · 1.50 in (ping pong ball) · Thermopolis Airport (9 mi from Thermopolis)
Jul 2, 2009 · 1.00 in (25-sent coin) · Thermopolis Airport (9 mi from Thermopolis)
Aug 9, 2011 · 1.00 in (25-sent coin) · Lucerne (4 mi from Thermopolis)
Tornadoes within 10 miles of Thermopolis
| Date | Rating | Where |
|---|---|---|
| Sep 9, 2024 | EF0 | Thermopolis 0 mi from Thermopolis |
Damaging thunderstorm winds near Thermopolis
10 reports of damaging thunderstorm wind within 10 miles of Thermopolis since 2006, on 10 days. The strongest measured gust was 72 mph on Jul 27, 2012.
| Date | Strongest gust | Where |
|---|---|---|
| Jun 20, 2026 | 60 mph, a measured | Thermopolis 1 wind report |
| Aug 2, 2025 | 60 mph, a measured | Thermopolis 1 wind report |
| Jun 4, 2023 | 55 mph, a estimat | Lucerne 1 wind report |
| Aug 10, 2019 | 61 mph, a measured | Thermopolis 1 wind report |
| Jul 12, 2019 | 67 mph, a measured | Thermopolis Airport 1 wind report |
| Jul 27, 2015 | 67 mph, a measured | Thermopolis 1 wind report |
| Sep 16, 2012 | 72 mph, a estimat | Thermopolis Airport 1 wind report |
| Jul 27, 2012 | 72 mph, a measured | Thermopolis Airport 1 wind report |
| Jun 4, 2012 | 62 mph, a measured | Thermopolis 1 wind report |
| Jul 19, 2009 | 60 mph, a estimat | Thermopolis 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 Thermopolis; 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). Distances are measured from the center of Thermopolis.
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