Hail history for Campbell County, Wyoming
Every NOAA hail report filed in Campbell County since 1958, with preliminary National Weather Service reports to November 3, 2026.
Readout · Campbell County
- Last hail
- Jun 22, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 17
- since Nov 3, 2021 · 44 reports
- Largest ever
- 4.25 in
- grapefruit · Sep 8, 2013
591 reports on 281 days since 1958 · #2 of 22 Wyoming counties
Hail map · Campbell 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 Campbell County is from June 22, 2026. A local roofer can check and document it at no cost.
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What the record says about Campbell County
The latest hail report in Campbell County is from June 22, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 17 separate hail days; the biggest stones in that time were 3.00 in on July 17, 2023.
Over the 20 years 2006–2025, Campbell County logged 422 reports on 183 hail days, about 21.1 reports a year. That is 4.7 times the median Wyoming county (4.5 a year) and ranks #2 of 22 Wyoming counties for all-time reports. Campbell County holds 12% of all 4,952 hail reports in Wyoming.
7% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Wyoming county. The largest hail on record here is 4.25 in (grapefruit) on September 8, 2013 near 4 NW Rozet.
Reports were down 20% in 2016–2025 (188) compared with 2006–2015 (234). The busiest year was 2013, with 53 reports on 19 days. Hail here peaks in June (40% of reports); 53% fall between April and June.
Reports a year 2006–2025 average
- Campbell County 21.1
- Median Wyoming county 4.5
Hail days 2006–2025
- Campbell County 183
- Median Wyoming county 55.5
Share 2 in or larger of sized reports
- Campbell County 7%
- Median Wyoming county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 11 | 11 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 2 | 6 | 16 | 1 | 25 | ||||||||
| 2022 | 5 | 1 | 6 | ||||||||||
| 2021 | 1 | 3 | 4 | 8 | |||||||||
| 2020 | 5 | 14 | 24 | 43 | |||||||||
| 2019 | 1 | 8 | 25 | 8 | 2 | 44 | |||||||
| 2018 | 2 | 13 | 16 | 31 | |||||||||
| 2017 | 3 | 5 | 1 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 22, 2026 | 11 | 2.00 in | — |
| Aug 6, 2024 | 1 | 0.88 in | — |
| May 29, 2024 | 1 | 1.25 in | — |
| Sep 21, 2023 | 1 | 1.00 in | — |
| Jul 31, 2023 | 2 | 1.50 in | — |
| Jul 30, 2023 | 1 | 1.00 in | — |
| Jul 17, 2023 | 8 | 3.00 in | — |
| Jul 11, 2023 | 2 | 2.50 in | — |
| Jul 3, 2023 | 3 | 1.75 in | — |
| Jun 29, 2023 | 2 | 1.00 in | — |
| Jun 20, 2023 | 4 | 1.75 in | — |
| May 26, 2023 | 1 | 0.75 in | — |
| May 23, 2023 | 1 | 0.75 in | — |
| Jul 5, 2022 | 1 | 1.00 in | — |
| Jun 20, 2022 | 2 | 1.25 in | — |
| Jun 19, 2022 | 1 | 1.00 in | — |
| Jun 12, 2022 | 2 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Sep 8, 2013 | 4.25 ingrapefruit | 4 NW Rozet | $5K | 17:30 local · NCEI |
| Jul 19, 2010 | 4.25 ingrapefruit | 5 NE Rozet | $100K | 14:00 local · NCEI |
| Jun 25, 2007 | 3.50 inteacup | 25 NE Weston | $15K | 16:50 local · NCEI |
| Jul 17, 2023 | 3.00 inteacup | 4.59 NNE (Gcc)gillette Arpt | — | 16:10 local · NCEI |
| Jul 19, 2020 | 3.00 inteacup | 6.15 ESE Wright | — | 16:42 local · NCEI |
Size of every report
- Under 1 in 157 27%
- 1–2 in 391 66%
- 2 in + 41 7%
- No size 2
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 22, 2026 | 1.25 inhalf dollar | 4.02 W Rozet | 18:13 local · NCEI |
| Jun 22, 2026 | 1.00 inquarter | 1.98 W Rozet | 18:10 local · NCEI |
| Jun 22, 2026 | 2.00 inhen egg | 6.96 E Gillette | 18:07 local · NCEI |
| Jun 22, 2026 | 1.00 inquarter | 5.36 ENE Gillette | 18:03 local · NCEI |
| Jun 22, 2026 | 1.00 inquarter | 1.7 NE (Gcc)gillette Arpt | 18:01 local · NCEI |
| Jun 22, 2026 | 1.25 inhalf dollar | 6.89 NNE (Gcc)gillette Arpt | 17:49 local · NCEI |
| Jun 22, 2026 | 0.88 innickel | 18.21 SE Wright | 15:05 local · NCEI |
| Jun 22, 2026 | 1.50 inping pong ball | 2.3 SSE Wright | 14:30 local · NCEI |
| Jun 22, 2026 | 1.50 inping pong ball | Wright | 14:25 local · NCEI |
| Jun 22, 2026 | 1.75 ingolf ball | 4.23 WSW Wright | 14:23 local · NCEI |
| Jun 22, 2026 | 1.75 ingolf ball | 4.6 NNW Savageton | 13:55 local · NCEI |
| Aug 6, 2024 | 0.88 innickel | 12.6 N Wright | 17:44 local · NCEI |
Cities and towns in Campbell County
| Place | Reports | Largest |
|---|---|---|
| Gillette | 82 | 2.75 in |
| Wright | 24 | 2.75 in |
| Sleepy Hollow | 10 | 1.75 in |
Questions about hail in Campbell County
How often does it hail in Campbell County, Wyoming?
591 hail reports have been logged in Campbell County since 1958. Over the 20 years 2006–2025 that averages 21.1 reports a year. That ranks #2 of 22 Wyoming counties by number of reports.
When is hail season in Campbell County?
Most reports come in June, July, August. June alone accounts for 40% of all reports.
What is the largest hail recorded in Campbell County?
4.25 in (grapefruit size) on September 8, 2013 near 4 NW Rozet. 7% of reports here were 2 inches or larger.
When did it last hail in Campbell County?
The most recent report in this data is from June 22, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Campbell County had in the last five years?
17 separate days with hail reports since November 3, 2021, adding up to 44 reports. The most recent was June 22, 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.