Hail history for Converse County, Wyoming
Every NOAA hail report filed in Converse County since 1959, with preliminary National Weather Service reports to November 3, 2026.
Readout · Converse County
- Last hail
- Jul 18, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 14
- since Nov 3, 2021 · 22 reports
- Largest ever
- 4.00 in
- grapefruit · Jun 12, 2017
160 reports on 111 days since 1959 · #10 of 22 Wyoming counties
Hail map · Converse 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 Converse County
The latest hail report in Converse County is from July 18, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 14 separate hail days; the biggest stones in that time were 2.50 in on June 26, 2023.
Over the 20 years 2006–2025, Converse County logged 110 reports on 70 hail days, about 5.5 reports a year. That is 21% more than the median Wyoming county (4.5 a year) and ranks #10 of 22 Wyoming counties for all-time reports. Converse County holds 3% of all 4,952 hail reports in Wyoming.
11% 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 4.00 in (grapefruit) on June 12, 2017 near 8 S Douglas.
Reports were up 20% in 2016–2025 (60) compared with 2006–2015 (50). The busiest year was 2023, with 16 reports on 10 days. Hail here peaks in July (33% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Converse County 5.5
- Median Wyoming county 4.5
Hail days 2006–2025
- Converse County 70
- Median Wyoming county 55.5
Share 2 in or larger of sized reports
- Converse County 11%
- Median Wyoming county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 3 | 1 | 4 | ||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 2 | 4 | 5 | 5 | 16 | ||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 5 | 1 | 6 | ||||||||||
| 2019 | 2 | 4 | 3 | 9 | |||||||||
| 2018 | 1 | 3 | 8 | 12 | |||||||||
| 2017 | 7 | 7 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 18, 2025 | 1 | 1.00 in | — |
| Jun 16, 2025 | 3 | 1.75 in | — |
| Jul 1, 2024 | 1 | 1.00 in | — |
| Sep 22, 2023 | 1 | 1.00 in | — |
| Sep 9, 2023 | 4 | 1.75 in | — |
| Jul 14, 2023 | 2 | 1.25 in | — |
| Jul 8, 2023 | 2 | 1.75 in | — |
| Jul 6, 2023 | 1 | 2.00 in | — |
| Jun 29, 2023 | 1 | 1.00 in | — |
| Jun 26, 2023 | 2 | 2.50 in | — |
| Jun 20, 2023 | 1 | 1.25 in | — |
| May 27, 2023 | 1 | 1.00 in | — |
| May 26, 2023 | 1 | 0.75 in | — |
| Aug 25, 2022 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 12, 2017 | 4.00 ingrapefruit | 8 S Douglas | — | 16:05 local · NCEI |
| Jul 21, 2013 | 2.75 inbaseball | 2.01 E Bill | — | 16:44 local · NCEI |
| Jul 1, 1998 | 2.75 inbaseball | 40 NW Douglas | $7K | 19:55 local · NCEI |
| Jun 12, 1986 | 2.75 inbaseball | — | — | 21:30 local · NCEI |
| Jun 13, 1984 | 2.75 inbaseball | — | — | 17:45 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 22 14%
- 1–2 in 121 76%
- 2 in + 17 11%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 18, 2025 | 1.00 inquarter | 0.8 SE Lost Springs | 17:21 local · NCEI |
| Jun 16, 2025 | 1.75 ingolf ball | 2 ENE Clayton | 16:42 local · NCEI |
| Jun 16, 2025 | 1.00 inquarter | 1 W Douglas | 16:30 local · NCEI |
| Jun 16, 2025 | 1.00 inquarter | 2 SW (Dgw)converse County Airport | 16:15 local · NCEI |
| Jul 1, 2024 | 1.00 inquarter | 10.98 SE Ross | 17:30 local · NCEI |
| Sep 22, 2023 | 1.00 inquarter | Lost Springs | 18:27 local · NCEI |
| Sep 9, 2023 | 1.25 inhalf dollar | 4 W Douglas | 20:25 local · NCEI |
| Sep 9, 2023 | 1.25 inhalf dollar | 4 WSW Douglas | 20:00 local · NCEI |
| Sep 9, 2023 | 1.75 ingolf ball | Douglas | 20:00 local · NCEI |
| Sep 9, 2023 | 1.50 inping pong ball | 2 S Douglas | 19:58 local · NCEI |
| Jul 14, 2023 | 1.00 inquarter | Glenrock | 13:37 local · NCEI |
| Jul 14, 2023 | 1.25 inhalf dollar | 1 WNW Glenrock | 13:25 local · NCEI |
Cities and towns in Converse 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 |
|---|---|---|---|
| Esterbrook | 5 | 4 | Jul 4, 2019 |
| Lost Springs | 5 | 5 | Jul 18, 2025 |
| Orin | 3 | 3 | Jul 8, 2023 |
| Rolling Hills | 2 | 2 | Jul 15, 2001 |
Questions about hail in Converse County
How often does it hail in Converse County, Wyoming?
160 hail reports have been logged in Converse County since 1959. Over the 20 years 2006–2025 that averages 5.5 reports a year. That ranks #10 of 22 Wyoming counties by number of reports.
When is hail season in Converse County?
Most reports come in July, June, August. July alone accounts for 33% of all reports.
What is the largest hail recorded in Converse County?
4.00 in (grapefruit size) on June 12, 2017 near 8 S Douglas. 11% of reports here were 2 inches or larger.
When did it last hail in Converse County?
The most recent report in this data is from July 18, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Converse County had in the last five years?
14 separate days with hail reports since November 3, 2021, adding up to 22 reports. The most recent was July 18, 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.