Hail history for Grand County, Utah
Every NOAA hail report filed in Grand County since 1968, with preliminary National Weather Service reports to November 3, 2026.
Readout · Grand County
- Last hail
- Sep 12, 2025
- 0.75 in, penny size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 14 reports
- Largest ever
- 1.75 in
- golf ball · Sep 20, 1997
26 reports on 17 days since 1968 · #10 of 26 Utah counties
Hail map · Grand 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 Grand County
The latest hail report in Grand County is from September 12, 2025, 0.75 in (penny size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.50 in on June 27, 2024.
Over the 20 years 2006–2025, Grand County logged 17 reports on 9 hail days, about 0.8 reports a year. That is 89% more than the median Utah county (0.5 a year) and ranks #10 of 26 Utah counties for all-time reports. Grand County holds 4% of all 665 hail reports in Utah.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Utah county. The largest hail on record here is 1.75 in (golf ball) on September 20, 1997 near 1 N Crescent Jct.
Reports were up 367% in 2016–2025 (14) compared with 2006–2015 (3). The busiest year was 2024, with 10 reports on 4 days. Hail here peaks in June (38% of reports); 38% fall between April and June.
Reports a year 2006–2025 average
- Grand County 0.8
- Median Utah county 0.5
Hail days 2006–2025
- Grand County 9
- Median Utah county 8
Share 2 in or larger of sized reports
- Grand County 0%
- Median Utah county 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 8 | 2 | 10 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 12, 2025 | 3 | 1.25 in | — |
| Aug 25, 2024 | 1 | 0.75 in | — |
| Aug 23, 2024 | 1 | 1.25 in | — |
| Jun 27, 2024 | 6 | 1.50 in | — |
| Jun 21, 2024 | 2 | 1.00 in | — |
| Oct 2, 2022 | 1 | 0.80 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 20, 1997 | 1.75 ingolf ball | 1 N Crescent Jct | 14:00 local · NCEI |
| Jun 10, 1976 | 1.75 ingolf ball | — | 17:30 local · NCEI |
| Aug 14, 1968 | 1.75 ingolf ball | — | 11:55 local · NCEI |
| Jun 27, 2024 | 1.50 inping pong ball | 0.55 SSE Moab | 14:00 local · NCEI |
| Sep 12, 2025 | 1.25 inhalf dollar | 17 NW Moab | 08:40 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 6 23%
- 1–2 in 20 77%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 12, 2025 | 0.75 inpenny | Moab | 10:20 local · NCEI |
| Sep 12, 2025 | 1.25 inhalf dollar | 17 NW Moab | 08:40 local · NCEI |
| Sep 12, 2025 | 1.00 inquarter | 25 NNW Castle Valley | 08:00 local · NCEI |
| Aug 25, 2024 | 0.75 inpenny | 1 NW Castle Valley | 15:30 local · NCEI |
| Aug 23, 2024 | 1.25 inhalf dollar | 1.28 WSW Thompson | 15:30 local · NCEI |
| Jun 27, 2024 | 1.50 inping pong ball | 0.55 SSE Moab | 14:00 local · NCEI |
| Jun 27, 2024 | 0.88 innickel | 0.54 S Moab | 14:00 local · NCEI |
| Jun 27, 2024 | 1.00 inquarter | 0.54 SSE Moab | 14:00 local · NCEI |
| Jun 27, 2024 | 1.00 inquarter | 0.32 WSW Moab | 14:00 local · NCEI |
| Jun 27, 2024 | 1.00 inquarter | 0.56 WNW Moab | 14:00 local · NCEI |
| Jun 27, 2024 | 1.00 inquarter | 1.09 SW Moab | 14:00 local · NCEI |
| Jun 21, 2024 | 1.00 inquarter | 3.84 SE Moab | 16:30 local · NCEI |
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 |
|---|---|---|---|
| Moab | 9 | 4 | Sep 12, 2025 |
| Thompson Springs | 4 | 4 | Aug 23, 2024 |
| Castle Valley | 1 | 1 | Aug 25, 2024 |
| Spanish Valley | 1 | 1 | Jun 21, 2024 |
Questions about hail in Grand County
How often does it hail in Grand County, Utah?
26 hail reports have been logged in Grand County since 1968. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #10 of 26 Utah counties by number of reports.
When is hail season in Grand County?
Most reports come in June, September, August. June alone accounts for 38% of all reports.
What is the largest hail recorded in Grand County?
1.75 in (golf ball size) on September 20, 1997 near 1 N Crescent Jct. 0% of reports here were 2 inches or larger.
When did it last hail in Grand County?
The most recent report in this data is from September 12, 2025 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Grand County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 14 reports. The most recent was September 12, 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.