Hail history for Teton County, Montana
Every NOAA hail report filed in Teton County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Teton County
- Last hail
- Jul 17, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 14 reports
- Largest ever
- 3.00 in
- teacup · Jul 27, 1958
104 reports on 69 days since 1956 · #34 of 57 Montana counties
Hail map · Teton County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Teton County
The latest hail report in Teton County is from July 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 2.75 in on July 7, 2022.
Over the 20 years 2006–2025, Teton County logged 40 reports on 23 hail days, about 2.0 reports a year. That is 34% less than the median Montana county (3.0 a year) and ranks #34 of 57 Montana counties for all-time reports. Teton County holds 1% of all 8,453 hail reports in Montana.
7% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Montana county. The largest hail on record here is 3.00 in (teacup) on July 27, 1958.
Reports were up 22% in 2016–2025 (22) compared with 2006–2015 (18). The busiest year was 2022, with 10 reports on 2 days. Hail here peaks in July (41% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Teton County 2.0
- Median Montana county 3.0
Hail days 2006–2025
- Teton County 23
- Median Montana county 31
Share 2 in or larger of sized reports
- Teton County 7%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 9 | 1 | 10 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | 2 | ||||||||||
| 2019 | 3 | 1 | 4 | ||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 17, 2026 | 1 | 1.00 in | — |
| Jun 12, 2026 | 1 | 1.00 in | — |
| Aug 19, 2024 | 1 | 1.00 in | — |
| Jun 23, 2023 | 1 | 1.00 in | — |
| Aug 25, 2022 | 1 | 1.00 in | — |
| Jul 7, 2022 | 9 | 2.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 27, 1958 | 3.00 inteacup | — | 21:00 local · NCEI |
| Jul 27, 1958 | 3.00 inteacup | — | 21:00 local · NCEI |
| Jul 7, 2022 | 2.75 inbaseball | 1.38 N Koyl | 14:18 local · NCEI |
| Jun 10, 1976 | 2.75 inbaseball | — | 17:00 local · NCEI |
| Jun 14, 2019 | 2.50 intennis ball | 7.52 NE Acme | 13:30 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 28 27%
- 1–2 in 67 66%
- 2 in + 7 7%
- No size 2
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 17, 2026 | 1.00 inquarter | 19.05 SW Eastham Jct | 15:00 local · NCEI |
| Jun 12, 2026 | 1.00 inquarter | 0.69 S Fairfield | 13:25 local · NCEI |
| Aug 19, 2024 | 1.00 inquarter | 0.46 W Choteau | 17:40 local · NCEI |
| Jun 23, 2023 | 1.00 inquarter | 6.49 E Farmington | 17:19 local · NCEI |
| Aug 25, 2022 | 1.00 inquarter | 2.12 SSE Farmington | 17:16 local · NCEI |
| Jul 7, 2022 | 0.75 inpenny | 0.69 S Choteau | 15:05 local · NCEI |
| Jul 7, 2022 | 1.50 inping pong ball | Choteau Arpt | 14:59 local · NCEI |
| Jul 7, 2022 | 1.00 inquarter | 2.42 WNW Farmington | 14:56 local · NCEI |
| Jul 7, 2022 | 1.75 ingolf ball | 3.11 NW Choteau | 14:48 local · NCEI |
| Jul 7, 2022 | 1.00 inquarter | 3.58 SSW Agawam | 14:45 local · NCEI |
| Jul 7, 2022 | 1.00 inquarter | 3.61 SW Koyl | 14:42 local · NCEI |
| Jul 7, 2022 | 2.75 inbaseball | 1.38 N Koyl | 14:18 local · NCEI |
Cities and towns in Teton County
| Place | Reports | Largest |
|---|---|---|
| Choteau | 20 | 1.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Fairfield | 8 | 8 | Jun 12, 2026 |
| Dutton | 7 | 6 | Jun 14, 2019 |
| Miller Colony | 5 | 2 | Jul 7, 2022 |
| Pendroy | 3 | 2 | Jul 4, 2008 |
| Power | 3 | 3 | Jul 24, 2013 |
| Bynum | 2 | 2 | Jul 25, 2018 |
| New Rockport Colony | 2 | 2 | Jun 23, 2023 |
| Rockport Colony | 2 | 1 | Jul 4, 2008 |
Questions about hail in Teton County
How often does it hail in Teton County, Montana?
104 hail reports have been logged in Teton County since 1956. Over the 20 years 2006–2025 that averages 2.0 reports a year. That ranks #34 of 57 Montana counties by number of reports.
When is hail season in Teton County?
Most reports come in July, June, August. July alone accounts for 41% of all reports.
What is the largest hail recorded in Teton County?
3.00 in (teacup size) on July 27, 1958. 7% of reports here were 2 inches or larger.
When did it last hail in Teton County?
The most recent report in this data is from July 17, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Teton County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 14 reports. The most recent was July 17, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.