Hail history for Blaine County, Montana
Every NOAA hail report filed in Blaine County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Blaine County
- Last hail
- Jul 26, 2025
- 1.75 in, golf ball size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 17 reports
- Largest ever
- 4.00 in
- grapefruit · Jul 13, 2024
102 reports on 60 days since 1957 · #35 of 57 Montana counties
Hail map · Blaine 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 Blaine County
The latest hail report in Blaine County is from July 26, 2025, 1.75 in (golf ball size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 4.00 in on July 13, 2024.
Over the 20 years 2006–2025, Blaine County logged 64 reports on 31 hail days, about 3.2 reports a year. That is about the same as the median Montana county (3.0 a year) and ranks #35 of 57 Montana counties for all-time reports. Blaine County holds 1% of all 8,453 hail reports in Montana.
12% 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 4.00 in (grapefruit) on July 13, 2024 near 11.74 NW Lodgepole.
Reports held about level in 2016–2025 (33) compared with 2006–2015 (31). The busiest year was 2007, with 14 reports on 6 days. Hail here peaks in July (52% of reports); 39% fall between April and June.
Reports a year 2006–2025 average
- Blaine County 3.2
- Median Montana county 3.0
Hail days 2006–2025
- Blaine County 31
- Median Montana county 31
Share 2 in or larger of sized reports
- Blaine County 12%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 8 | 8 | |||||||||||
| 2023 | 5 | 5 | |||||||||||
| 2022 | 3 | 3 | |||||||||||
| 2021 | 4 | 2 | 6 | ||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 26, 2025 | 1 | 1.75 in | — |
| Jul 13, 2024 | 7 | 4.00 in | — |
| Jul 5, 2024 | 1 | 1.00 in | — |
| Jul 30, 2023 | 5 | 2.50 in | — |
| Jul 18, 2022 | 1 | 0.88 in | — |
| Jul 6, 2022 | 2 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 13, 2024 | 4.00 ingrapefruit | 11.74 NW Lodgepole | 14:30 local · NCEI |
| Jul 17, 1962 | 3.00 inteacup | — | 17:00 local · NCEI |
| Jul 13, 2024 | 2.50 intennis ball | Lodgepole | 14:50 local · NCEI |
| Jul 30, 2023 | 2.50 intennis ball | 1.54 ESE Chinook | 19:29 local · NCEI |
| Jul 6, 2022 | 2.50 intennis ball | 2 SE Hays | 16:12 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 29 28%
- 1–2 in 61 60%
- 2 in + 12 12%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 26, 2025 | 1.75 ingolf ball | 0.83 SSW Turner | 18:55 local · NCEI |
| Jul 13, 2024 | 2.50 intennis ball | Lodgepole | 14:50 local · NCEI |
| Jul 13, 2024 | 1.75 ingolf ball | 2.91 NNE St Pauls | 14:38 local · NCEI |
| Jul 13, 2024 | 4.00 ingrapefruit | 11.74 NW Lodgepole | 14:30 local · NCEI |
| Jul 13, 2024 | 1.00 inquarter | 16.07 NNW Lodgepole | 14:20 local · NCEI |
| Jul 13, 2024 | 1.00 inquarter | 3.45 S Ft Belknap | 13:40 local · NCEI |
| Jul 13, 2024 | 1.00 inquarter | 0.46 E North Fork | 13:14 local · NCEI |
| Jul 13, 2024 | 1.75 ingolf ball | 1.46 SSE Chinook | 12:55 local · NCEI |
| Jul 5, 2024 | 1.00 inquarter | 3.9 SSW Hogeland Arpt | 10:32 local · NCEI |
| Jul 30, 2023 | 1.25 inhalf dollar | 1.15 SW Ft Belknap Agency | 20:09 local · NCEI |
| Jul 30, 2023 | 1.50 inping pong ball | 0.83 NNW Harlem | 20:08 local · NCEI |
| Jul 30, 2023 | 2.50 intennis ball | 1.54 ESE Chinook | 19:29 local · NCEI |
Cities and towns in Blaine County
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 |
|---|---|---|---|
| Chinook | 9 | 6 | Jul 13, 2024 |
| Harlem | 5 | 4 | Jul 30, 2023 |
| Fort Belknap Agency | 3 | 3 | Jul 30, 2023 |
| Hogeland | 3 | 3 | Aug 28, 2014 |
| Lodge Pole | 1 | 1 | Jul 13, 2024 |
| Turner Colony | 1 | 1 | Jul 21, 1957 |
| Zurich | 1 | 1 | Jul 3, 2000 |
Questions about hail in Blaine County
How often does it hail in Blaine County, Montana?
102 hail reports have been logged in Blaine County since 1957. Over the 20 years 2006–2025 that averages 3.2 reports a year. That ranks #35 of 57 Montana counties by number of reports.
When is hail season in Blaine County?
Most reports come in July, June, August. July alone accounts for 52% of all reports.
What is the largest hail recorded in Blaine County?
4.00 in (grapefruit size) on July 13, 2024 near 11.74 NW Lodgepole. 12% of reports here were 2 inches or larger.
When did it last hail in Blaine County?
The most recent report in this data is from July 26, 2025 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Blaine County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 17 reports. The most recent was July 26, 2025.
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.