Hail history for Gray Summit, Missouri
NOAA hail reports in and within about 5 km (3 miles) of Gray Summit since 1975, with preliminary reports to November 3, 2026.
Readout · Gray Summit
- Last hail
- Apr 27, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.50 in
- tennis ball · Apr 12, 1981
16 reports on 15 days since 1975 · #302 of 491 Missouri places
Hail map · Gray Summit
- 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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Send a request to Moxisync Labs for review. The latest hail report in Gray Summit is from April 27, 2026. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.
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What the record says about Gray Summit
The latest hail report in and around Gray Summit is from April 27, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on April 27, 2026.
Over the 20 years 2006–2025, Gray Summit logged 11 reports on 11 hail days, about 0.6 reports a year. That is 10% more than the median Missouri town on this site (0.5 a year) and ranks #302 of 491 Missouri cities and towns on this site for all-time reports. Gray Summit accounts for 5% of the 301 reports filed in Franklin County.
6% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Missouri town on this site. The largest hail on record here is 2.50 in (tennis ball) on April 12, 1981.
Reports were down 63% in 2016–2025 (3) compared with 2006–2015 (8). The busiest year was 2011, with 4 reports on 4 days. Hail here peaks in April (56% of reports); 81% fall between April and June.
Reports a year 2006–2025 average
- Gray Summit 0.6
- Franklin County 8.0
- Median Missouri town on this site 0.5
Hail days 2006–2025
- Gray Summit 11
- Franklin County 86
- Median Missouri town on this site 9
Share 2 in or larger of sized reports
- Gray Summit 6%
- Franklin County 8%
- Median Missouri town on this site 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 2 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 27, 2026 | 2 | 1.75 in | — |
| Apr 1, 2024 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 12, 1981 | 2.50 intennis ball | — | Franklin | 11:00 local · NCEI |
| Apr 27, 2026 | 1.75 ingolf ball | 2.63 NE Gray Summit | Franklin | 17:46 local · NCEI |
| Apr 15, 2011 | 1.75 ingolf ball | Gray Summit | Franklin | 14:06 local · NCEI |
| Apr 4, 2011 | 1.50 inping pong ball | 0.73 NNE Gray Summit | Franklin | 03:05 local · NCEI |
| May 20, 1982 | 1.50 inping pong ball | — | Franklin | 13:05 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 2 13%
- 1–2 in 13 81%
- 2 in + 1 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 27, 2026 | 1.25 inhalf dollar | 1.76 ENE Gray Summit | Franklin | 17:48 local · NCEI |
| Apr 27, 2026 | 1.75 ingolf ball | 2.63 NE Gray Summit | Franklin | 17:46 local · NCEI |
| Apr 1, 2024 | 1.00 inquarter | 2.27 WNW Gray Summit | Franklin | 22:38 local · NCEI |
| Aug 6, 2019 | 1.25 inhalf dollar | 0.76 SSW Gray Summit | Franklin | 13:46 local · NCEI |
| May 11, 2016 | 1.00 inquarter | Labadie | Franklin | 18:50 local · NCEI |
| Apr 2, 2015 | 1.00 inquarter | 1.48 WSW Labadie | Franklin | 14:42 local · NCEI |
| Apr 3, 2014 | 1.00 inquarter | 1.54 W Gray Summit | Franklin | 18:35 local · NCEI |
| Mar 17, 2012 | 0.88 innickel | 0.71 NNE Gray Summit | Franklin | 12:16 local · NCEI |
| Jun 27, 2011 | 1.00 inquarter | 0.84 NNE Gray Summit | Franklin | 01:42 local · NCEI |
| Apr 15, 2011 | 1.75 ingolf ball | Gray Summit | Franklin | 14:06 local · NCEI |
| Apr 9, 2011 | 0.88 innickel | Gray Summit | Franklin | 04:25 local · NCEI |
| Apr 4, 2011 | 1.50 inping pong ball | 0.73 NNE Gray Summit | Franklin | 03:05 local · NCEI |
Hail history near Gray Summit
- Villa Ridge 6 km · 10
- Pacific 7 km · 20
- Union 16 km · 40
- Wildwood 16 km · 29
- Eureka 16 km · 10
- Washington 17 km · 48
- Three Creeks 17 km · 14
- St. Clair 22 km · 25
Questions about hail in Gray Summit
How often does it hail in Gray Summit, Missouri?
16 hail reports have been logged in and within about 5 km (3 miles) of Gray Summit since 1975. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #302 of 491 Missouri places by number of reports.
When is hail season in Gray Summit?
Most reports come in April, May, March. April alone accounts for 56% of all reports.
What is the largest hail recorded in Gray Summit?
2.50 in (tennis ball size) on April 12, 1981. 6% of reports here were 2 inches or larger.
When did it last hail in Gray Summit?
The most recent report in this data is from April 27, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Gray Summit had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was April 27, 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.