Hail history for Upton, Wyoming
NOAA hail reports in and within about 5 km (3 miles) of Upton since 1975, with preliminary reports to November 3, 2026.
Readout · Upton
- Last hail
- Jun 22, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.00 in
- hen egg · Jul 19, 2010
22 reports on 22 days since 1975 · #30 of 61 Wyoming places
Hail map · Upton
- 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 Upton
The latest hail report in and around Upton is from June 22, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on July 30, 2023.
Over the 20 years 2006–2025, Upton logged 13 reports on 13 hail days, about 0.7 reports a year. That is about the same as the median Wyoming town on this site (0.7 a year) and ranks #30 of 61 Wyoming cities and towns on this site for all-time reports. Upton accounts for 7% of the 309 reports filed in Weston County.
5% 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 2.00 in (hen egg) on July 19, 2010 near Upton.
Reports were down 56% in 2016–2025 (4) compared with 2006–2015 (9). The busiest year was 2013, with 4 reports on 4 days. Hail here peaks in July (36% of reports); 45% fall between April and June.
Reports a year 2006–2025 average
- Upton 0.7
- Weston County 10.7
- Median Wyoming town on this site 0.7
Hail days 2006–2025
- Upton 13
- Weston County 113
- Median Wyoming town on this site 11
Share 2 in or larger of sized reports
- Upton 5%
- Weston County 8%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 22, 2026 | 1 | 1.00 in | — |
| Jul 30, 2023 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 19, 2010 | 2.00 inhen egg | Upton | Weston | $700K | 14:40 local · NCEI |
| Jul 30, 2023 | 1.75 ingolf ball | 2 NE Upton | Weston | — | 18:17 local · NCEI |
| Jul 19, 2013 | 1.75 ingolf ball | Upton | Weston | — | 19:18 local · NCEI |
| Jul 2, 2011 | 1.75 ingolf ball | Upton | Weston | $250K | 15:15 local · NCEI |
| Jun 12, 2001 | 1.75 ingolf ball | Upton | Weston | — | 15:10 local · NCEI |
Size of every report
- Under 1 in 6 27%
- 1–2 in 15 68%
- 2 in + 1 5%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 22, 2026 | 1.00 inquarter | 0.5 E Upton | Weston | — | 18:55 local · NCEI |
| Jul 30, 2023 | 1.75 ingolf ball | 2 NE Upton | Weston | — | 18:17 local · NCEI |
| Jul 9, 2021 | 0.75 inpenny | 1 NNE Upton | Weston | — | 18:02 local · NCEI |
| May 3, 2020 | 1.00 inquarter | 1 NNE Upton | Weston | — | 14:55 local · NCEI |
| Aug 3, 2019 | 1.00 inquarter | Upton | Weston | — | 16:30 local · NCEI |
| Jun 3, 2014 | 1.00 inquarter | Upton | Weston | — | 14:50 local · NCEI |
| Aug 11, 2013 | 1.00 inquarter | 3 NW Upton | Weston | — | 17:23 local · NCEI |
| Aug 3, 2013 | 1.00 inquarter | 1 SE Upton | Weston | — | 00:40 local · NCEI |
| Jul 19, 2013 | 1.75 ingolf ball | Upton | Weston | — | 19:18 local · NCEI |
| May 27, 2013 | 1.25 inhalf dollar | Upton | Weston | — | 14:55 local · NCEI |
| Jun 22, 2012 | 1.50 inping pong ball | Upton | Weston | $20K | 20:55 local · NCEI |
| Jul 2, 2011 | 1.75 ingolf ball | Upton | Weston | $250K | 15:15 local · NCEI |
Hail history near Upton
- Osage 21 km · 19
- Moorcroft 31 km · 23
- Pine Haven 31 km · 23
- Sundance 40 km · 41
- Newcastle 45 km · 48
Questions about hail in Upton
How often does it hail in Upton, Wyoming?
22 hail reports have been logged in and within about 5 km (3 miles) of Upton since 1975. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #30 of 61 Wyoming places by number of reports.
When is hail season in Upton?
Most reports come in July, June, August. July alone accounts for 36% of all reports.
What is the largest hail recorded in Upton?
2.00 in (hen egg size) on July 19, 2010 near Upton. 5% of reports here were 2 inches or larger.
When did it last hail in Upton?
The most recent report in this data is from June 22, 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 Upton 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 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.