Hail history for Thorntown, Indiana
NOAA hail reports in and within about 5 km (3 miles) of Thorntown since 1990, with preliminary reports to November 3, 2026.
Readout · Thorntown
- Last hail
- May 6, 2023
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.50 in
- ping pong ball · Aug 21, 2014
21 reports on 14 days since 1990 · #66 of 191 Indiana places
Hail map · Thorntown
- 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 Thorntown is from May 6, 2023. 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 Thorntown
The latest hail report in and around Thorntown is from May 6, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 6, 2023.
Over the 20 years 2006–2025, Thorntown logged 17 reports on 10 hail days, about 0.8 reports a year. That is 89% more than the median Indiana town on this site (0.5 a year) and ranks #66 of 191 Indiana cities and towns on this site for all-time reports. Thorntown accounts for 16% of the 129 reports filed in Boone County.
0% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Indiana town on this site. The largest hail on record here is 1.50 in (ping pong ball) on August 21, 2014 near 0.53 W Thorntown.
Reports were down 58% in 2016–2025 (5) compared with 2006–2015 (12). The busiest year was 2017, with 3 reports on 1 day. Hail here peaks in April (29% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Thorntown 0.8
- Boone County 4.5
- Median Indiana town on this site 0.5
Hail days 2006–2025
- Thorntown 10
- Boone County 46
- Median Indiana town on this site 8
Share 2 in or larger of sized reports
- Thorntown 0%
- Boone County 5%
- Median Indiana town on this site 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 3 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 6, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 21, 2014 | 1.50 inping pong ball | 0.53 W Thorntown | Boone | 21:03 local · NCEI |
| May 4, 2015 | 1.25 inhalf dollar | 2.03 E Thorntown | Boone | 17:24 local · NCEI |
| May 6, 2023 | 1.00 inquarter | 3.76 W Thorntown | Boone | 23:21 local · NCEI |
| Apr 8, 2020 | 1.00 inquarter | 0.53 W Thorntown | Boone | 19:03 local · NCEI |
| Mar 30, 2017 | 1.00 inquarter | 2.64 W Thorntown | Boone | 14:30 local · NCEI |
Size of every report
- Under 1 in 5 24%
- 1–2 in 16 76%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 6, 2023 | 1.00 inquarter | 3.76 W Thorntown | Boone | 23:21 local · NCEI |
| Apr 8, 2020 | 1.00 inquarter | 0.53 W Thorntown | Boone | 19:03 local · NCEI |
| Mar 30, 2017 | 1.00 inquarter | 2.64 W Thorntown | Boone | 14:30 local · NCEI |
| Mar 30, 2017 | 1.00 inquarter | 3.7 W Thorntown | Boone | 14:30 local · NCEI |
| Mar 30, 2017 | 0.75 inpenny | 0.53 W Thorntown | Boone | 14:26 local · NCEI |
| May 4, 2015 | 1.25 inhalf dollar | 2.03 E Thorntown | Boone | 17:24 local · NCEI |
| May 4, 2015 | 1.00 inquarter | 0.53 W Thorntown | Boone | 17:24 local · NCEI |
| Aug 21, 2014 | 0.88 innickel | 2.64 E Thorntown | Boone | 21:13 local · NCEI |
| Aug 21, 2014 | 1.50 inping pong ball | 0.53 W Thorntown | Boone | 21:03 local · NCEI |
| Aug 21, 2014 | 1.00 inquarter | 0.87 NW Thorntown | Boone | 20:58 local · NCEI |
| Apr 17, 2013 | 1.00 inquarter | 0.53 W Thorntown | Boone | 19:10 local · NCEI |
| Apr 17, 2013 | 0.88 innickel | 0.53 W Thorntown | Boone | 19:08 local · NCEI |
Hail history near Thorntown
- Darlington 14 km · 10
- Advance 15 km · 10
- Lebanon 16 km · 39
- Frankfort 18 km · 31
- Crawfordsville 26 km · 34
- Linden 26 km · 10
- Zionsville 29 km · 38
- North Salem 30 km · 17
Questions about hail in Thorntown
How often does it hail in Thorntown, Indiana?
21 hail reports have been logged in and within about 5 km (3 miles) of Thorntown since 1990. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #66 of 191 Indiana places by number of reports.
When is hail season in Thorntown?
Most reports come in April, March, August. April alone accounts for 29% of all reports.
What is the largest hail recorded in Thorntown?
1.50 in (ping pong ball size) on August 21, 2014 near 0.53 W Thorntown. 0% of reports here were 2 inches or larger.
When did it last hail in Thorntown?
The most recent report in this data is from May 6, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Thorntown had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 6, 2023.
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.