Hail history for Sundance, Wyoming
NOAA hail reports in and within about 5 km (3 miles) of Sundance since 1956, with preliminary reports to November 3, 2026.
Readout · Sundance
- Last hail
- Jul 3, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 8 reports
- Largest ever
- 4.00 in
- grapefruit · Jun 24, 1959
41 reports on 27 days since 1956 · #9 of 61 Wyoming places
Hail map · Sundance
- 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 Sundance is from July 3, 2026. A local roofer can check and document it at no cost.
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What the record says about Sundance
The latest hail report in and around Sundance is from July 3, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.50 in on August 12, 2023.
Over the 20 years 2006–2025, Sundance logged 28 reports on 18 hail days, about 1.4 reports a year. That is about twice the median Wyoming town on this site (0.7 a year) and ranks #9 of 61 Wyoming cities and towns on this site for all-time reports. Sundance accounts for 8% of the 510 reports filed in Crook County.
12% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wyoming town on this site. The largest hail on record here is 4.00 in (grapefruit) on June 24, 1959.
Reports were up 33% in 2016–2025 (16) compared with 2006–2015 (12). The busiest year was 2023, with 4 reports on 3 days. Hail here peaks in July (49% of reports); 39% fall between April and June.
Reports a year 2006–2025 average
- Sundance 1.4
- Crook County 19.4
- Median Wyoming town on this site 0.7
Hail days 2006–2025
- Sundance 18
- Crook County 166
- Median Wyoming town on this site 11
Share 2 in or larger of sized reports
- Sundance 12%
- Crook County 9%
- Median Wyoming town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3 | 3 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 2 | 2 | 4 | ||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | 2 | ||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 4 | 4 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 3, 2026 | 3 | 1.25 in | — |
| Aug 12, 2023 | 2 | 1.50 in | — |
| Jul 11, 2023 | 1 | 1.25 in | — |
| Jul 3, 2023 | 1 | 1.00 in | — |
| Jun 12, 2022 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 24, 1959 | 4.00 ingrapefruit | — | Crook | 20:00 local · NCEI |
| Aug 6, 1956 | 3.00 inteacup | — | Crook | 17:30 local · NCEI |
| Jun 29, 2018 | 2.50 intennis ball | Sundance | Crook | 15:03 local · NCEI |
| Jul 29, 1983 | 2.00 inhen egg | — | Crook | 17:00 local · NCEI |
| Jul 29, 1983 | 2.00 inhen egg | — | Crook | 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 8 20%
- 1–2 in 28 68%
- 2 in + 5 12%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 3, 2026 | 1.00 inquarter | 0.85 SE Sundance | Crook | 12:40 local · NCEI |
| Jul 3, 2026 | 1.25 inhalf dollar | 0.85 SE Sundance | Crook | 12:36 local · NCEI |
| Jul 3, 2026 | 1.00 inquarter | 0.85 SE Sundance | Crook | 12:35 local · NCEI |
| Aug 12, 2023 | 1.00 inquarter | Sundance | Crook | 16:28 local · NCEI |
| Aug 12, 2023 | 1.50 inping pong ball | Sundance | Crook | 16:25 local · NCEI |
| Jul 11, 2023 | 1.25 inhalf dollar | Sundance | Crook | 19:41 local · NCEI |
| Jul 3, 2023 | 1.00 inquarter | 2 NE Sundance | Crook | 20:30 local · NCEI |
| Jun 12, 2022 | 1.25 inhalf dollar | 1 ENE Sundance | Crook | 16:40 local · NCEI |
| Jul 9, 2020 | 1.00 inquarter | 1 NNE Sundance | Crook | 21:11 local · NCEI |
| Jun 4, 2020 | 1.25 inhalf dollar | Sundance | Crook | 18:15 local · NCEI |
| Jul 5, 2019 | 1.00 inquarter | 2 NE Sundance | Crook | 14:23 local · NCEI |
| Jun 29, 2018 | 2.50 intennis ball | Sundance | Crook | 15:03 local · NCEI |
Hail history near Sundance
Questions about hail in Sundance
How often does it hail in Sundance, Wyoming?
41 hail reports have been logged in and within about 5 km (3 miles) of Sundance since 1956. Over the 20 years 2006–2025 that averages 1.4 reports a year. That ranks #9 of 61 Wyoming places by number of reports.
When is hail season in Sundance?
Most reports come in July, June, August. July alone accounts for 49% of all reports.
What is the largest hail recorded in Sundance?
4.00 in (grapefruit size) on June 24, 1959. 12% of reports here were 2 inches or larger.
When did it last hail in Sundance?
The most recent report in this data is from July 3, 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 Sundance had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was July 3, 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.