Hail history for Denison, Texas
NOAA hail reports in and within about 5 km (3 miles) of Denison since 1959, with preliminary reports to November 3, 2026.
Readout · Denison
- Last hail
- Apr 26, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 10 reports
- Largest ever
- 2.00 in
- hen egg · Feb 3, 2012
43 reports on 32 days since 1959 · #192 of 843 Texas places
Hail map · Denison
- 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 Denison
The latest hail report in and around Denison is from April 26, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 1.25 in on June 8, 2025.
Over the 20 years 2006–2025, Denison logged 25 reports on 17 hail days, about 1.3 reports a year. That is about twice the median Texas town on this site (0.6 a year) and ranks #192 of 843 Texas cities and towns on this site for all-time reports. Denison accounts for 9% of the 486 reports filed in Grayson County.
2% of reports with a size were 2 inches (hen egg) or larger, against 10% for the median Texas town on this site. The largest hail on record here is 2.00 in (hen egg) on February 3, 2012 near 1 NE (F39)sherman-Denison.
Reports were up 50% in 2016–2025 (15) compared with 2006–2015 (10). The busiest year was 2012, with 7 reports on 2 days. Hail here peaks in April (28% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Denison 1.3
- Grayson County 13.4
- Median Texas town on this site 0.6
Hail days 2006–2025
- Denison 17
- Grayson County 97
- Median Texas town on this site 9
Share 2 in or larger of sized reports
- Denison 2%
- Grayson County 11%
- Median Texas town on this site 10%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 2 | |||||||||||
| 2025 | 1 | 2 | 1 | 1 | 5 | ||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | 1 | 3 | |||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 3 | 3 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 26, 2026 | 2 | 1.00 in | — |
| Sep 23, 2025 | 1 | 1.00 in | — |
| Jun 8, 2025 | 1 | 1.25 in | — |
| May 19, 2025 | 2 | 1.00 in | — |
| Mar 25, 2025 | 1 | 1.00 in | — |
| Apr 8, 2024 | 1 | 1.00 in | — |
| Sep 21, 2023 | 1 | 1.00 in | — |
| Nov 4, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Feb 3, 2012 | 2.00 inhen egg | 1 NE (F39)sherman-Denison | Grayson | $10K | 19:04 local · NCEI |
| Apr 29, 2016 | 1.75 ingolf ball | Denison | Grayson | $25K | 15:29 local · NCEI |
| Jun 7, 1998 | 1.75 ingolf ball | 1 N Denison | Grayson | — | 23:30 local · NCEI |
| May 25, 1997 | 1.75 ingolf ball | Denison | Grayson | — | 21:10 local · NCEI |
| Jun 28, 1983 | 1.75 ingolf ball | — | Grayson | — | 18:21 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 13 30%
- 1–2 in 29 67%
- 2 in + 1 2%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 26, 2026 | 1.00 inquarter | 1.8 NE Denison | Grayson | 03:34 local · NCEI |
| Apr 26, 2026 | 1.00 inquarter | 1.8 NW Denison | Grayson | 03:32 local · NCEI |
| Sep 23, 2025 | 1.00 inquarter | 1.38 N Denison | Grayson | 20:31 local · NCEI |
| Jun 8, 2025 | 1.25 inhalf dollar | 2.7 NW Denison | Grayson | 20:29 local · NCEI |
| May 19, 2025 | 1.00 inquarter | 0.69 N Denison | Grayson | 19:47 local · NCEI |
| May 19, 2025 | 1.00 inquarter | 0.69 S Denison | Grayson | 19:42 local · NCEI |
| Mar 25, 2025 | 1.00 inquarter | 1.72 W Denison | Grayson | 16:56 local · NCEI |
| Apr 8, 2024 | 1.00 inquarter | 2.82 NNW Denison | Grayson | 21:14 local · NCEI |
| Sep 21, 2023 | 1.00 inquarter | 1.86 ESE Denison | Grayson | 16:34 local · NCEI |
| Nov 4, 2022 | 1.00 inquarter | 3.19 WNW Denison | Grayson | 12:22 local · NCEI |
| May 10, 2021 | 1.00 inquarter | 1.72 W South Gale | Grayson | 09:50 local · NCEI |
| Apr 9, 2021 | 0.75 inpenny | 4.3 NNW Denison | Grayson | 20:10 local · NCEI |
Hail history near Denison
Questions about hail in Denison
How often does it hail in Denison, Texas?
43 hail reports have been logged in and within about 5 km (3 miles) of Denison since 1959. Over the 20 years 2006–2025 that averages 1.3 reports a year. That ranks #192 of 843 Texas places by number of reports.
When is hail season in Denison?
Most reports come in April, February, May. April alone accounts for 28% of all reports.
What is the largest hail recorded in Denison?
2.00 in (hen egg size) on February 3, 2012 near 1 NE (F39)sherman-Denison. 2% of reports here were 2 inches or larger.
When did it last hail in Denison?
The most recent report in this data is from April 26, 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 Denison had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 10 reports. The most recent was April 26, 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.