Hail history for Summit County, Utah
Every NOAA hail report filed in Summit County since 1987, with preliminary National Weather Service reports to November 3, 2026.
Readout · Summit County
- Last hail
- Sep 18, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.50 in
- ping pong ball · Sep 25, 1990
14 reports on 12 days since 1987 · #18 of 26 Utah counties
Hail map · Summit County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Concerned about your roof after hail?
Send a request to Moxisync Labs for review. The latest hail report in Summit County is from September 18, 2026. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.
Phone line opening soon
What the record says about Summit County
The latest hail report in Summit County is from September 18, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on September 18, 2026.
Over the 20 years 2006–2025, Summit County logged 7 reports on 6 hail days, about 0.3 reports a year. That is 22% less than the median Utah county (0.5 a year) and ranks #18 of 26 Utah counties for all-time reports. Summit County holds 2% 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 1.50 in (ping pong ball) on September 25, 1990.
The busiest year was 2007, with 3 reports on 2 days. Hail here peaks in July (29% of reports); 29% fall between April and June.
Reports a year 2006–2025 average
- Summit County 0.3
- Median Utah county 0.5
Hail days 2006–2025
- Summit County 6
- Median Utah county 8
Share 2 in or larger of sized reports
- Summit County 0%
- Median Utah county 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 18, 2026 | 1 | 1.00 in | View |
| Jun 25, 2026 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 25, 1990 | 1.50 inping pong ball | — | 16:15 local · NCEI |
| Jul 21, 1987 | 1.50 inping pong ball | — | 13:30 local · NCEI |
| Sep 18, 2026 | 1.00 inquarter | 2 NW Kimball Jct | 15:16 UTC · NWS prelim. |
| Jun 25, 2026 | 1.00 inquarter | 0.87 SW Kamas | 15:15 local · NCEI |
| Aug 11, 2016 | 1.00 inquarter | 0.69 S Kamas | 13:00 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 5 36%
- 1–2 in 9 64%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 18, 2026 | 1.00 inquarter | 2 NW Kimball Jct | 15:16 UTC · NWS prelim. |
| Jun 25, 2026 | 1.00 inquarter | 0.87 SW Kamas | 15:15 local · NCEI |
| May 17, 2021 | 0.75 inpenny | 0.87 NW Park City | 12:51 local · NCEI |
| Aug 11, 2016 | 1.00 inquarter | 0.69 S Kamas | 13:00 local · NCEI |
| Jul 18, 2015 | 0.88 innickel | 31.59 E Pineview | 15:19 local · NCEI |
| Sep 5, 2007 | 1.00 inquarter | 1.25 WSW Henefer | 12:45 local · NCEI |
| Sep 5, 2007 | 0.75 inpenny | 0.52 W Coalville | 12:45 local · NCEI |
| Jul 25, 2007 | 1.00 inquarter | 1.26 WSW Marion | 15:18 local · NCEI |
| Aug 26, 2006 | 0.88 innickel | Oakley | 10:29 local · NCEI |
| May 21, 1998 | 0.75 inpenny | Coalville | 13:00 local · NCEI |
| Jun 21, 1996 | 1.00 inquarter | Coalville | 12:40 local · NCEI |
| Sep 25, 1990 | 1.50 inping pong ball | — | 16:15 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 |
|---|---|---|---|
| Kamas | 4 | 4 | Jun 25, 2026 |
| Coalville | 3 | 3 | Sep 5, 2007 |
| Park City | 2 | 2 | May 17, 2021 |
| Henefer | 1 | 1 | Sep 5, 2007 |
| Hoytsville | 1 | 1 | Jul 21, 1987 |
| Oakley | 1 | 1 | Aug 26, 2006 |
| Summit Park | 1 | 1 | Sep 18, 2026 |
Questions about hail in Summit County
How often does it hail in Summit County, Utah?
14 hail reports have been logged in Summit County since 1987. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #18 of 26 Utah counties by number of reports.
When is hail season in Summit County?
Most reports come in July, September, May. July alone accounts for 29% of all reports.
What is the largest hail recorded in Summit County?
1.50 in (ping pong ball size) on September 25, 1990. 0% of reports here were 2 inches or larger.
When did it last hail in Summit County?
The most recent report in this data is from September 18, 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 Summit County had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was September 18, 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.