Hail history for Carter County, Montana
Every NOAA hail report filed in Carter County since 1960, with preliminary National Weather Service reports to November 3, 2026.
Readout · Carter County
- Last hail
- Jul 2, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 11
- since Nov 3, 2021 · 20 reports
- Largest ever
- 4.50 in
- softball · Jun 18, 2002
299 reports on 167 days since 1960 · #5 of 57 Montana counties
Hail map · Carter County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Carter County is from July 2, 2026. A local roofer can check and document it at no cost.
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What the record says about Carter County
The latest hail report in Carter County is from July 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 3.00 in on June 7, 2026.
Over the 20 years 2006–2025, Carter County logged 160 reports on 86 hail days, about 8.0 reports a year. That is 2.6 times the median Montana county (3.0 a year) and ranks #5 of 57 Montana counties for all-time reports. Carter County holds 4% of all 8,453 hail reports in Montana.
13% 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 4.50 in (softball) on June 18, 2002 near Alzada.
Reports were down 40% in 2016–2025 (60) compared with 2006–2015 (100). The busiest year was 2001, with 25 reports on 10 days. Hail here peaks in June (39% of reports); 49% fall between April and June.
Reports a year 2006–2025 average
- Carter County 8.0
- Median Montana county 3.0
Hail days 2006–2025
- Carter County 86
- Median Montana county 31
Share 2 in or larger of sized reports
- Carter County 13%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 8 | 1 | 9 | ||||||||||
| 2025 | 1 | 3 | 1 | 5 | |||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 2 | 3 | 5 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 7 | 2 | 4 | 13 | |||||||||
| 2019 | 1 | 1 | 4 | 1 | 7 | ||||||||
| 2018 | 2 | 6 | 6 | 14 | |||||||||
| 2017 | 2 | 2 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 2, 2026 | 1 | 1.00 in | — |
| Jun 27, 2026 | 5 | 2.00 in | — |
| Jun 7, 2026 | 3 | 3.00 in | — |
| Jul 19, 2025 | 1 | 1.75 in | — |
| Jun 20, 2025 | 3 | 2.50 in | — |
| Apr 27, 2025 | 1 | 1.50 in | — |
| May 26, 2023 | 1 | 1.00 in | — |
| Jul 10, 2022 | 1 | 1.00 in | — |
| Jul 5, 2022 | 2 | 1.75 in | — |
| Jun 29, 2022 | 1 | 0.88 in | — |
| Jun 19, 2022 | 1 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 18, 2002 | 4.50 insoftball | Alzada | 19:25 local · NCEI |
| Jun 19, 2015 | 4.25 ingrapefruit | 2.13 NNE Hammond | 16:45 local · NCEI |
| Aug 9, 2016 | 4.00 ingrapefruit | 5.67 NE Ridgeway | 17:55 local · NCEI |
| Jun 7, 2026 | 3.00 inteacup | 7.74 N Belltower | 14:58 local · NCEI |
| Jun 7, 2026 | 3.00 inteacup | 16.34 SW Ekalaka | 14:12 local · NCEI |
Size of every report
- Under 1 in 93 31%
- 1–2 in 167 56%
- 2 in + 37 12%
- No size 2
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 2, 2026 | 1.00 inquarter | 12.41 WNW Alzada | 16:20 local · NCEI |
| Jun 27, 2026 | 1.75 ingolf ball | 3.38 NE Hammond | 16:40 local · NCEI |
| Jun 27, 2026 | 2.00 inhen egg | 1.38 S Hammond | 16:35 local · NCEI |
| Jun 27, 2026 | 1.00 inquarter | 0.69 N Ekalaka | 14:18 local · NCEI |
| Jun 27, 2026 | 2.00 inhen egg | 3.49 N Ridge | 14:17 local · NCEI |
| Jun 27, 2026 | 2.00 inhen egg | 4.86 N Ridge | 14:15 local · NCEI |
| Jun 7, 2026 | 3.00 inteacup | 7.74 N Belltower | 14:58 local · NCEI |
| Jun 7, 2026 | 2.50 intennis ball | 2.93 W Alzada | 14:49 local · NCEI |
| Jun 7, 2026 | 3.00 inteacup | 16.34 SW Ekalaka | 14:12 local · NCEI |
| Jul 19, 2025 | 1.75 ingolf ball | 3.2 ENE Mill Iron | 19:38 local · NCEI |
| Jun 20, 2025 | 2.50 intennis ball | 7.97 NNE Belltower | 16:20 local · NCEI |
| Jun 20, 2025 | 2.00 inhen egg | 0.69 N Ekalaka | 15:56 local · NCEI |
Cities and towns in Carter County
Questions about hail in Carter County
How often does it hail in Carter County, Montana?
299 hail reports have been logged in Carter County since 1960. Over the 20 years 2006–2025 that averages 8.0 reports a year. That ranks #5 of 57 Montana counties by number of reports.
When is hail season in Carter County?
Most reports come in June, July, August. June alone accounts for 39% of all reports.
What is the largest hail recorded in Carter County?
4.50 in (softball size) on June 18, 2002 near Alzada. 12% of reports here were 2 inches or larger.
When did it last hail in Carter County?
The most recent report in this data is from July 2, 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 Carter County had in the last five years?
11 separate days with hail reports since November 3, 2021, adding up to 20 reports. The most recent was July 2, 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.