Hail History

Hail history for Colonial Pine Hills, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Colonial Pine Hills since 1972, with preliminary reports to November 3, 2026.

Readout · Colonial Pine Hills

Last hail
Aug 18, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
17
since Nov 3, 2021 · 27 reports
Largest ever
3.00 in
teacup · Jun 16, 2014

162 reports on 100 days since 1972 · #3 of 305 South Dakota places

Hail map · Colonial Pine Hills

Colonial Pine Hills Rapid City Johnson Siding Blackhawk Keystone Green Valley Rapid Valley Summerset Box Elder 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
162 most recent reports with a location; Pennington County is shaded. Open street map

For homeowners

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What the record says about Colonial Pine Hills

The latest hail report in and around Colonial Pine Hills is from August 18, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 17 separate hail days; the biggest stones in that time were 2.50 in on August 11, 2026.

Over the 20 years 2006–2025, Colonial Pine Hills logged 118 reports on 65 hail days, about 5.9 reports a year. That is 13.1 times the median South Dakota town on this site (0.5 a year) and ranks #3 of 305 South Dakota cities and towns on this site for all-time reports. Colonial Pine Hills accounts for 10% of the 1,654 reports filed in Pennington County.

14% 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 3.00 in (teacup) on June 16, 2014 near 4.73 NE Rockerville.

Reports were up 57% in 2016–2025 (72) compared with 2006–2015 (46). The busiest year was 2020, with 13 reports on 7 days. Hail here peaks in July (39% of reports); 38% fall between April and June.

Reports a year 2006–2025 average

  • Colonial Pine Hills 5.9
  • Pennington County 55.0
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Colonial Pine Hills 65
  • Pennington County 308
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Colonial Pine Hills 14%
  • Pennington County 11%
  • Median South Dakota town on this site 7%

Hail over time

051015 1972: 1 reports, largest 2.75 in 1980 1990 1991: 5 reports, largest 1.75 in 1996: 6 reports, largest 2.00 in 1997: 4 reports, largest 1.50 in 1998: 2 reports, largest 0.75 in 1999: 2 reports, largest 1.00 in 2000 2001: 1 reports, largest 0.75 in 2002: 2 reports, largest 1.75 in 2003: 7 reports, largest 1.00 in 2004: 6 reports, largest 2.75 in 2005: 2 reports, largest 0.88 in 2006: 2 reports, largest 1.00 in 2007: 2 reports, largest 1.00 in 2008: 3 reports, largest 1.25 in 2009: 2 reports, largest 1.00 in 2010: 7 reports, largest 2.50 in 2010 2011: 4 reports, largest 2.75 in 2012: 7 reports, largest 1.25 in 2013: 7 reports, largest 2.75 in 2014: 4 reports, largest 3.00 in 2015: 8 reports, largest 1.75 in 2016: 8 reports, largest 2.75 in 2017: 5 reports, largest 1.50 in 2018: 10 reports, largest 2.75 in 2019: 12 reports, largest 2.00 in 2020: 13 reports, largest 2.50 in 2020 2021: 3 reports, largest 2.50 in 2022: 1 reports, largest 0.75 in 2023: 8 reports, largest 2.00 in 2024: 6 reports, largest 1.75 in 2025: 6 reports, largest 1.75 in 2026: 6 reports, largest 2.50 in
Reports per year, 1972–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
020406080 Jan Feb Mar April: 1 reports (1%) Apr May: 9 reports (6%) May June: 52 reports (32%) Jun July: 63 reports (39%) Jul August: 33 reports (20%) Aug September: 4 reports (2%) Sep Oct Nov Dec
All 162 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 15 6
2025 6 6
2024 1311 6
2023 611 8
2022 1 1
2021 3 3
2020 571 13
2019 462 12
2018 10 10
2017 113 5

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 18, 2026 2 1.50 in View
Aug 11, 2026 3 2.50 in View
Jul 2, 2026 1 1.00 in —
Jul 19, 2025 2 1.00 in —
Jul 6, 2025 3 1.75 in —
Jul 1, 2025 1 1.00 in —
Aug 11, 2024 1 1.75 in —
Jul 28, 2024 1 1.75 in —
Jun 25, 2024 1 1.25 in —
Jun 24, 2024 2 1.00 in —
Apr 15, 2024 1 1.00 in —
Sep 13, 2023 1 1.00 in —
Aug 12, 2023 1 1.75 in —
Jul 21, 2023 1 1.00 in —
Jul 11, 2023 3 1.75 in —
Jul 3, 2023 2 2.00 in —
May 11, 2022 1 0.75 in —

Largest hail on record

Largest hail reports in Colonial Pine Hills
Date Size Location County Damage Time · source
Jun 16, 2014 3.00 inteacup 4.73 NE Rockerville Pennington $400K 17:27 local · NCEI
Jun 8, 2018 2.75 inbaseball 0.79 NNE Hisega Pennington — 14:10 local · NCEI
Aug 8, 2016 2.75 inbaseball 3.91 NE Rockerville Pennington — 15:47 local · NCEI
Aug 30, 2013 2.75 inbaseball 7.2 W Rapid City Pennington $10K 12:45 local · NCEI
Aug 7, 2011 2.75 inbaseball 4 E Rockerville Pennington $500K 13:30 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Colonial Pine Hills
Date Size Location County Time · source
Aug 18, 2026 1.00 inquarter 5 NE Rockerville Pennington 02:03 UTC · NWS prelim.
Aug 18, 2026 1.50 inping pong ball 5 SW Dwtn Rapid City Pennington 02:01 UTC · NWS prelim.
Aug 11, 2026 2.00 inhen egg Rockerville Pennington 20:59 UTC · NWS prelim.
Aug 11, 2026 1.75 ingolf ball 3 ENE Rockerville Pennington 20:59 UTC · NWS prelim.
Aug 11, 2026 2.50 intennis ball Rockerville Pennington 20:55 UTC · NWS prelim.
Jul 2, 2026 1.00 inquarter 3.72 NE Rockerville Pennington 21:37 local · NCEI
Jul 19, 2025 1.00 inquarter 5.11 SW Rapid City Pennington 19:26 local · NCEI
Jul 19, 2025 1.00 inquarter 3.76 NNE Rockerville Pennington 19:25 local · NCEI
Jul 6, 2025 1.00 inquarter 5.11 SW Rapid City Pennington 16:42 local · NCEI
Jul 6, 2025 0.88 innickel 1.64 ENE Rockerville Pennington 16:40 local · NCEI
Jul 6, 2025 1.75 ingolf ball 3.76 NNE Rockerville Pennington 16:30 local · NCEI
Jul 1, 2025 1.00 inquarter 1.64 ESE Rockerville Pennington 14:57 local · NCEI

Hail history near Colonial Pine Hills

Questions about hail in Colonial Pine Hills

How often does it hail in Colonial Pine Hills, South Dakota?

162 hail reports have been logged in and within about 5 km (3 miles) of Colonial Pine Hills since 1972. Over the 20 years 2006–2025 that averages 5.9 reports a year. That ranks #3 of 305 South Dakota places by number of reports.

When is hail season in Colonial Pine Hills?

Most reports come in July, June, August. July alone accounts for 39% of all reports.

What is the largest hail recorded in Colonial Pine Hills?

3.00 in (teacup size) on June 16, 2014 near 4.73 NE Rockerville. 14% of reports here were 2 inches or larger.

When did it last hail in Colonial Pine Hills?

The most recent report in this data is from August 18, 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 Colonial Pine Hills had in the last five years?

17 separate days with hail reports since November 3, 2021, adding up to 27 reports. The most recent was August 18, 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.