Hail history for New Underwood, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of New Underwood since 1992, with preliminary reports to November 3, 2026.
Readout · New Underwood
- Last hail
- Jul 2, 2026
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.50 in
- tennis ball · Jul 8, 2021
12 reports on 9 days since 1992 · #246 of 305 South Dakota places
Hail map · New Underwood
- 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 New Underwood
The latest hail report in and around New Underwood is from July 2, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on July 2, 2026.
Over the 20 years 2006–2025, New Underwood logged 9 reports on 7 hail days, about 0.5 reports a year. That is about the same as the median South Dakota town on this site (0.5 a year) and ranks #246 of 305 South Dakota cities and towns on this site for all-time reports. New Underwood accounts for 1% of the 1,654 reports filed in Pennington County.
17% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median South Dakota town on this site. The largest hail on record here is 2.50 in (tennis ball) on July 8, 2021 near 2 E New Underwood.
Reports were up 700% in 2016–2025 (8) compared with 2006–2015 (1). The busiest year was 2023, with 3 reports on 2 days. Hail here peaks in July (50% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- New Underwood 0.5
- Pennington County 55.0
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- New Underwood 7
- Pennington County 308
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- New Underwood 17%
- Pennington County 11%
- Median South Dakota town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 2 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 2 | 3 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 2 | 3 | ||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 2, 2026 | 2 | 1.75 in | — |
| Jun 27, 2023 | 2 | 1.00 in | — |
| May 7, 2023 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 8, 2021 | 2.50 intennis ball | 2 E New Underwood | Pennington | 17:00 local · NCEI |
| Jul 8, 2021 | 2.50 intennis ball | 2.47 NNE New Underwood | Pennington | 17:00 local · NCEI |
| Jul 2, 2026 | 1.75 ingolf ball | 4.04 WNW New Underwood | Pennington | 20:35 local · NCEI |
| Jul 2, 2026 | 1.50 inping pong ball | 13.4 E Ellsworth Afb | Meade | 20:45 local · NCEI |
| May 7, 2023 | 1.50 inping pong ball | 3 N New Underwood | Pennington | 16:42 local · NCEI |
Size of every report
- Under 1 in 1 8%
- 1–2 in 9 75%
- 2 in + 2 17%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 2, 2026 | 1.50 inping pong ball | 13.4 E Ellsworth Afb | Meade | 20:45 local · NCEI |
| Jul 2, 2026 | 1.75 ingolf ball | 4.04 WNW New Underwood | Pennington | 20:35 local · NCEI |
| Jun 27, 2023 | 1.00 inquarter | New Underwood | Pennington | 17:02 local · NCEI |
| Jun 27, 2023 | 1.00 inquarter | New Underwood | Pennington | 15:34 local · NCEI |
| May 7, 2023 | 1.50 inping pong ball | 3 N New Underwood | Pennington | 16:42 local · NCEI |
| Jul 8, 2021 | 2.50 intennis ball | 2 E New Underwood | Pennington | 17:00 local · NCEI |
| Jul 8, 2021 | 2.50 intennis ball | 2.47 NNE New Underwood | Pennington | 17:00 local · NCEI |
| May 20, 2021 | 1.00 inquarter | 1 S New Underwood | Pennington | 21:23 local · NCEI |
| Jun 29, 2020 | 1.00 inquarter | 3 ESE New Underwood | Pennington | 19:05 local · NCEI |
| Jul 3, 2018 | 0.88 innickel | New Underwood | Pennington | 21:13 local · NCEI |
| Jun 14, 2009 | 1.25 inhalf dollar | 4.2 E New Underwood | Pennington | 18:50 local · NCEI |
| Jul 8, 1992 | 1.00 inquarter | — | Pennington | 15:30 local · NCEI |
Hail history near New Underwood
- Box Elder 19 km · 95
- Green Valley 23 km · 30
- Rapid Valley 23 km · 18
- Rapid City 31 km · 448
- Wasta 32 km · 11
- Colonial Pine Hills 39 km · 162
- Hermosa 40 km · 71
- Blackhawk 40 km · 50
Questions about hail in New Underwood
How often does it hail in New Underwood, South Dakota?
12 hail reports have been logged in and within about 5 km (3 miles) of New Underwood since 1992. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #246 of 305 South Dakota places by number of reports.
When is hail season in New Underwood?
Most reports come in July, June, May. July alone accounts for 50% of all reports.
What is the largest hail recorded in New Underwood?
2.50 in (tennis ball size) on July 8, 2021 near 2 E New Underwood. 17% of reports here were 2 inches or larger.
When did it last hail in New Underwood?
The most recent report in this data is from July 2, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has New Underwood had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was July 2, 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.