Hail history for Fergus County, Montana
Every NOAA hail report filed in Fergus County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Fergus County
- Last hail
- Sep 7, 2026
- 0.25 in, pea size · preliminary
- Hail days, last 5 years
- 15
- since Nov 3, 2021 · 33 reports
- Largest ever
- 4.50 in
- softball · Jun 26, 1996
260 reports on 153 days since 1956 · #8 of 57 Montana counties
Hail map · Fergus 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 Fergus County
The latest hail report in Fergus County is from September 7, 2026, 0.25 in (pea size). Since November 3, 2021 there have been 15 separate hail days; the biggest stones in that time were 3.00 in on September 6, 2026.
Over the 20 years 2006–2025, Fergus County logged 131 reports on 71 hail days, about 6.5 reports a year. That is about twice the median Montana county (3.0 a year) and ranks #8 of 57 Montana counties for all-time reports. Fergus County holds 3% of all 8,453 hail reports in Montana.
10% 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 26, 1996 near 3 S Winifred.
Reports held about level in 2016–2025 (62) compared with 2006–2015 (69). The busiest year was 2007, with 22 reports on 11 days. Hail here peaks in June (41% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Fergus County 6.5
- Median Montana county 3.0
Hail days 2006–2025
- Fergus County 71
- Median Montana county 31
Share 2 in or larger of sized reports
- Fergus County 10%
- Median Montana county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3 | 6 | 9 | ||||||||||
| 2025 | 10 | 1 | 3 | 14 | |||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 3 | 2 | 6 | |||||||||
| 2022 | 3 | 3 | |||||||||||
| 2021 | 2 | 1 | 3 | ||||||||||
| 2020 | 2 | 4 | 6 | ||||||||||
| 2019 | 3 | 3 | 1 | 7 | |||||||||
| 2018 | 1 | 10 | 11 | ||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 7, 2026 | 1 | 0.25 in | View |
| Sep 6, 2026 | 5 | 3.00 in | View |
| Jul 5, 2026 | 2 | 1.50 in | — |
| Jul 3, 2026 | 1 | 1.25 in | — |
| Aug 7, 2025 | 2 | 1.00 in | — |
| Aug 1, 2025 | 1 | 2.00 in | — |
| Jul 28, 2025 | 1 | 2.50 in | — |
| Jun 15, 2025 | 7 | 2.50 in | — |
| Jun 14, 2025 | 3 | 1.75 in | — |
| Jun 21, 2024 | 1 | 1.00 in | — |
| Jul 29, 2023 | 2 | 1.25 in | — |
| Jun 1, 2023 | 3 | 1.50 in | — |
| May 25, 2023 | 1 | 1.00 in | — |
| Jul 6, 2022 | 2 | 2.50 in | — |
| Jul 5, 2022 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 26, 1996 | 4.50 insoftball | 3 S Winifred | 17:45 local · NCEI |
| Aug 6, 2002 | 3.50 inteacup | Grassrange | 17:10 local · NCEI |
| Sep 6, 2026 | 3.00 inteacup | Hilger | 03:30 UTC · NWS prelim. |
| Jul 20, 2001 | 3.00 inteacup | Hilger | 19:15 local · NCEI |
| Jul 23, 1992 | 3.00 inteacup | — | 15:50 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 67 26%
- 1–2 in 168 65%
- 2 in + 25 10%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 7, 2026 | 0.25 inpea | 5 W Hilger | 20:34 UTC · NWS prelim. |
| Sep 6, 2026 | 1.00 inquarter | 1 N Roy | 04:30 UTC · NWS prelim. |
| Sep 6, 2026 | 2.00 inhen egg | 3 S Hilger | 04:00 UTC · NWS prelim. |
| Sep 6, 2026 | 3.00 inteacup | Hilger | 03:30 UTC · NWS prelim. |
| Sep 6, 2026 | 2.00 inhen egg | Danvers | 02:45 UTC · NWS prelim. |
| Sep 6, 2026 | 1.00 inquarter | 8 E Lewistown | 00:47 UTC · NWS prelim. |
| Jul 5, 2026 | 1.50 inping pong ball | 12.83 NNW Winifred Arpt | 19:10 local · NCEI |
| Jul 5, 2026 | 1.00 inquarter | 1.41 W Denton | 18:20 local · NCEI |
| Jul 3, 2026 | 1.25 inhalf dollar | 7.04 SSW Becket | 13:40 local · NCEI |
| Aug 7, 2025 | 1.00 inquarter | 1.17 NW Grassrange | 14:29 local · NCEI |
| Aug 7, 2025 | 1.00 inquarter | 1.41 W Grassrange | 14:27 local · NCEI |
| Aug 1, 2025 | 2.00 inhen egg | 0.47 W Buffalo | 16:05 local · NCEI |
Cities and towns in Fergus County
| Place | Reports | Largest |
|---|---|---|
| Lewistown | 38 | 2.50 in |
| Grass Range | 17 | 3.50 in |
| Winifred | 12 | 2.75 in |
| Denton | 11 | 2.75 in |
| Moore | 10 | 2.00 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 |
|---|---|---|---|
| Coffee Creek | 8 | 6 | Jun 9, 2021 |
| Roy | 8 | 7 | Sep 6, 2026 |
| Hilger | 5 | 5 | Sep 6, 2026 |
| Fords Creek Colony | 4 | 4 | Jul 26, 2008 |
| Danvers | 3 | 3 | Sep 6, 2026 |
| Brooks | 2 | 2 | Sep 6, 2026 |
| Lewistown Heights | 2 | 2 | Jul 13, 2011 |
| Spring Creek Colony | 2 | 2 | Aug 6, 2009 |
| Ayers Ranch Colony | 1 | 1 | Jul 2, 2010 |
| Deerfield Colony | 1 | 1 | Jun 14, 2025 |
| King Ranch Colony | 1 | 1 | Sep 6, 2013 |
Questions about hail in Fergus County
How often does it hail in Fergus County, Montana?
260 hail reports have been logged in Fergus County since 1956. Over the 20 years 2006–2025 that averages 6.5 reports a year. That ranks #8 of 57 Montana counties by number of reports.
When is hail season in Fergus County?
Most reports come in June, July, August. June alone accounts for 41% of all reports.
What is the largest hail recorded in Fergus County?
4.50 in (softball size) on June 26, 1996 near 3 S Winifred. 10% of reports here were 2 inches or larger.
When did it last hail in Fergus County?
The most recent report in this data is from September 7, 2026 (0.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Fergus County had in the last five years?
15 separate days with hail reports since November 3, 2021, adding up to 33 reports. The most recent was September 7, 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.