Hail HistoryHome › Idaho › Bonneville County › Ammon
Hail history for Ammon, ID
Hail has been reported within 10 miles of Ammon on 13 days since 2006. The largest stones measured 2 in (hen egg) on Apr 7, 2018. Hail is most common here in June and September.
Recent hail near Ammon
| Date | Hail size | Where |
|---|---|---|
| Sep 17, 2026 | 1 in quarter | Idaho Falls 2 hail reports · closest 4 mi from Ammon |
One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.
Hail days near Ammon by year
When hail season peaks near Ammon
Of the 13 hail days since 2006, most fell in June (4) and September (3).
Largest hail storms near Ammon
Apr 7, 2018 · 2 in (hen egg) · Idaho Falls (3 mi from Ammon)
National Weather Service description (English): At least 28 reports of 1 to 2 inch hail were reported in the Ammon and Idaho Falls area and extensive damage was reported to residential and business structures. Extensive automobile damage was reported as well. Emergency management and insurance company reports estimated the damage from the large hail at $29,750,000. Approximately 2,600 structures and 1,800 vehicles sustained damage from the hail storm.Jun 12, 2017 · 1.25 in (half dollar) · Idaho Falls (3 mi from Ammon)
Jul 2, 2022 · 1.25 in (half dollar) · Ammon (1 mi from Ammon)
Jun 26, 2009 · 1 in (quarter) · Ammon (1 mi from Ammon)
Jun 15, 2015 · 1 in (quarter) · Iona (9 mi from Ammon)
Tornadoes within 10 miles of Ammon
| Date | Rating | Where |
|---|---|---|
| Nov 17, 2017 | EF0 | Iona 9 mi from Ammon |
Damaging thunderstorm winds near Ammon
61 reports of damaging thunderstorm wind within 10 miles of Ammon since 2006, on 34 days. The strongest measured gust was 71 mph on Aug 29, 2023.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 10, 2026 | 50 mph, measured | Ozone, Shelley, Idaho Falls 3 wind reports |
| Aug 25, 2026 | 45 mph, measured | Ucon 1 wind report |
| Aug 24, 2026 | 46 mph, measured | Ucon, Ozone 2 wind reports |
| Jul 25, 2026 | 53 mph, measured | Ozone, Idaho Falls, Ammon 3 wind reports |
| Jul 21, 2026 | 46 mph, measured | Idaho Falls 1 wind report |
| Jul 18, 2026 | 45 mph, measured | Idaho Falls, Ucon 2 wind reports |
| Jul 8, 2026 | 48 mph, measured | Ucon 1 wind report |
| May 29, 2026 | 60 mph, estimated | Iona 1 wind report |
| May 13, 2026 | 60 mph, estimated | Iona, Ozone 2 wind reports |
| Aug 20, 2025 | 64 mph, estimated | Ammon 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 Ammon; 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
- Lincoln
12 hail days - Idaho Falls
14 hail days - Shelley
13 hail days - Rigby
7 hail days - Rexburg
6 hail days - Blackfoot
8 hail days - Saint Anthony
7 hail days
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 Ammon.
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