Hail & Wind Storms in Aberdeen, SD — Latest Dates and Sizes
Hail and wind activity within ~25 miles of Aberdeen, South Dakota or recorded for its county: the last 12 months from NWS warnings, storm reports, and station measurements, plus official NOAA records back to 2010.
Latest hail and wind near Aberdeen
- Last reported hail (0.75 in.+, screening): July 24, 2026 — 2.00 in. reported 7.2 mi NE of Aberdeen (6 SW Columbia), NWS Local Storm Report.
- Last wind gust 45 mph+ (screening): August 24, 2026 — 63 mph reported 12.9 mi N of Aberdeen (Westport), NWS Local Storm Report.
- 2026 so far: 2 hail days and 20 wind days within 25 miles (days with a storm report or station gust at the screening thresholds; warnings alone never count).
| Date | Largest reported hail | Strongest gust |
|---|---|---|
| August 24, 2026 | — | 63 mph reported |
| July 25, 2026 | — | 72 mph measured |
| July 24, 2026 | 2.00 in. reported | 60 mph reported |
| July 9, 2026 | — | 52 mph measured |
| July 7, 2026 | — | 74 mph measured |
| June 29, 2026 | 1.00 in. reported | 88 mph reported |
| June 28, 2026 | — | 75 mph measured |
| June 15, 2026 | — | 51 mph measured |
| June 9, 2026 | — | 78 mph reported |
| June 8, 2026 | — | 53 mph measured |
Was your address hit on August 24, 2026? Check any address free with the Free Report Snapshot — a YES/NO estimate at the screening thresholds.
Aberdeen storm facts
- StormAuditor's analysis of NOAA and National Weather Service records found 113 wind and hail events, NWS warning products included, within 25 miles of Aberdeen, South Dakota or recorded for Brown County in the 12 months ending October 8, 2026 (93 wind, 20 hail).
- The strongest gust within 25 miles of Aberdeen in the last 12 months was 88 mph, reported 12.9 mi N of Aberdeen (Westport) on June 29, 2026 (NWS Local Storm Report; storm reports and station gusts only, warnings excluded).
- The largest hail reported within 25 miles of Aberdeen in the last 12 months was 2.00 in., 7.2 mi NE of Aberdeen (6 SW Columbia) on July 24, 2026 (NWS Local Storm Report).
- The busiest day by event count near Aberdeen was June 29, 2026, with 12 events.
- Brown County alone recorded 94 of those wind and hail events (74 wind, 20 hail); the South Dakota page ranks counties by events of every type, floods and Special Weather Statements included.
Aberdeen, South Dakota storm history at a glance (last 12 months)
This free weather history for Aberdeen — home to about 28,000 residents — draws on StormAuditor's consolidated public record: 113 wind and hail events within 25 miles of Aberdeen or recorded for Brown County in the trailing 12 months — 93 wind and 20 hail.
Events combine NWS warning products, observed Local Storm Reports, station measurements and official NCEI records in one event table. Because they include warnings, and wind covers thunderstorm and non-thunderstorm wind alike, they measure something different from the NCEI entry counts in the history section below; the two are not comparable year to year.
Busiest days near Aberdeen by event count
Ranked by the number of 12-month events, NWS warnings included, so a day with many warnings can outrank a day with larger hail.
- June 29, 2026 — 12 events incl. warnings · 10 wind · 2 hail · storm-date page: 8 storm reports
- July 7, 2026 — 11 events incl. warnings · 10 wind · 1 hail
- July 24, 2026 — 9 events incl. warnings · 2 wind · 7 hail · storm-date page: 7 storm reports
- June 9, 2026 — 8 events incl. warnings · 7 wind · 1 hail · storm-date page: 5 storm reports
- March 12, 2026 — 8 events incl. warnings · 8 wind
Storm-day records for Aberdeen
Storm-date pages for the biggest days near Aberdeen: a report or station gust within 25 miles met NWS severe criteria (hail 1.00 in.+ or wind 58 mph+), with at least two separate observations. Not every storm day in the table above has a page. Each page lists the reports, station gusts and a free way to check one address:
- July 24, 2026 (hail 2.00 in., gusts 60 mph)
- June 29, 2026 (hail 1.00 in., gusts 88 mph)
- June 9, 2026 (gusts 78 mph)
How these numbers are counted
The storm numbers on this page are counted in four different ways, plus the free address check. Each answers a different question with its own size cutoffs, area and time span, so compare numbers within one group, not across groups.
- Storm days (latest hail and wind): A day in the last 12 months when at least one report within 25 miles of Aberdeen showed hail 0.75 in. or larger or wind of 45 mph or more (StormAuditor screening thresholds). Reports are NWS storm reports from spotters, the public and officials, plus weather-station gusts, which count from 50 mph. A warning on its own never makes a storm day. The latest and largest hail, the latest and strongest gust, and the storm-day table all use this record.
- Storm-date pages (NWS severe): A storm-date page is published only when at least one report or station gust within 25 miles of a city met the National Weather Service severe criteria (hail 1.00 in. or larger, or wind 58 mph or more), at least two separate observations were logged, and the day ranks among the most significant. A storm report that relays an airport weather station's reading (the same station, the same gust and the same time) counts once, as the station reading. Not every storm day gets a page; when one does, the page and the storm-day table show the same largest hail and strongest gust.
- Events (12-month counts): Events count NWS warnings, storm reports (wind 50 mph+, hail 0.75 in.+), station gusts (50 mph+) and NCEI entries within 25 miles of Aberdeen or recorded for Brown County, tornado entries counted as wind. One event is one place on one day, counted separately for hail and for wind. A weather station or storm-report point counts once a day, at that day's highest reading, however many readings it filed; a place with hail and wind on the same day is two events. NWS warnings count once per county per day, and each NCEI entry once per place per day. A storm report that relays an airport weather station's reading (the same station, the same gust and the same time) counts once, as the station reading. The same report arriving through another feed (SPC or NCEI) is one record. Events measure how busy the area was, not whether a storm hit: one storm can bring warnings and reports from many places, so the busiest days by event count can differ from the storm days.
- NOAA history (since 2010): The official NOAA storm record (NCEI Storm Events) within 25 miles of Aberdeen or in Brown County from January 1, 2010 to the day before the 12-month window starts: hail 0.50 in.+, thunderstorm wind 40 mph+ and tornadoes. It is a separate, older record with its own "storm days" (days with any entry), so its counts are not compared with the 12-month numbers.
- Free Report Snapshot: A free YES/NO estimate for one address, from radar and wind analysis at the property rather than area reports, at the same screening thresholds: hail 0.75 in. or wind 45 mph.
Full method: Methodology and Data Sources.
Aberdeen hail and wind history in NOAA NCEI records, 2010–Oct. 2025
This section covers January 1, 2010 through October 7, 2025. Storms from October 8, 2025 on are in the 12-month summary above, so no date is counted in both.
NOAA's Storm Events Database holds 635 NCEI Storm Events entries within 25 miles of Aberdeen or in Brown County for this period, on 149 separate storm days. Thunderstorm wind outnumbers hail here: 349 wind reports against 269 hail reports.
Hail peaks in August (32% of all hail reports), while thunderstorm wind reports cluster in June. None of these NCEI storm days fell in December through February.
The most storm days came in 2025 through Oct. 7, with 17; the fewest in a full year was 5, in 2013 and 2019. Across 2022–2024, the area averaged 9.3 storm days a year, above the 15-year average of 8.8. Storm days rose from an average of 7.6 a year in 2010–2014 to 9.8 in 2020–2024.
On July 17, 2010, 4.25 in. (larger than grapefruit size) hail was reported in Brown County — the largest in these records for this area. Hail of 2 inches or more appears in 8 different years of this record, the latest being 2025 through Oct. 7. The strongest measured thunderstorm gust was 120 mph on June 14, 2022 in Brown County. NCEI also lists 17 tornado entries for the area — one entry per county a tornado crossed.
- Average: 8.8 storm days a year (2010–2024)
- July and August: 63% of all hail reports
- Most hail reports in one year: 44 in 2021
- Hail of 1 in. or larger reported in every full year, 2010–2024
| Year | Hail reports | Thunderstorm wind reports | Tornado entries | Storm days | Largest hail | Strongest measured gust |
|---|---|---|---|---|---|---|
| 2010 | 24 | 10 | 3 | 6 | 4.25 in. | 64 mph |
| 2011 | 11 | 12 | 0 | 8 | 1.00 in. | — |
| 2012 | 17 | 8 | 1 | 9 | 2.25 in. | 63 mph |
| 2013 | 22 | 5 | 0 | 5 | 2.75 in. | 66 mph |
| 2014 | 10 | 11 | 1 | 10 | 1.75 in. | 86 mph |
| 2015 | 28 | 17 | 0 | 13 | 2.75 in. | 72 mph |
| 2016 | 12 | 38 | 0 | 12 | 1.00 in. | 83 mph |
| 2017 | 18 | 24 | 1 | 7 | 1.75 in. | 81 mph |
| 2018 | 3 | 8 | 0 | 8 | 1.75 in. | 79 mph |
| 2019 | 3 | 6 | 0 | 5 | 1.25 in. | 78 mph |
| 2020 | 14 | 58 | 2 | 12 | 4.00 in. | 85 mph |
| 2021 | 44 | 54 | 2 | 9 | 2.75 in. | 91 mph |
| 2022 | 34 | 54 | 6 | 13 | 1.75 in. | 120 mph |
| 2023 | 6 | 16 | 0 | 7 | 1.75 in. | 63 mph |
| 2024 | 12 | 10 | 0 | 8 | 2.75 in. | 75 mph |
| 2025 through Oct. 7 | 11 | 18 | 1 | 17 | 2.75 in. | 81 mph |
Download this history: CSV · JSON at https://www.stormauditor.com/downloads/storm-history/sd/aberdeen.json (free, open license, cite StormAuditor).
Source: NOAA NCEI Storm Events Database (thunderstorm wind, hail, and tornado entries; hail 0.50 in. or larger, wind 40 mph or more; wind converted from knots).
Aberdeen storm history questions, 2010–Oct. 2025
How big did hail get in Aberdeen, 2010–Oct. 2025?
4.25 in., larger than grapefruit size, reported on July 17, 2010 in Brown County, per NCEI. Hail of 2 inches or more appears in 8 years of this record in all, most recently 2021, 2024 and 2025 through Oct. 7.
Which year had the most storm days near Aberdeen, 2010–Oct. 2025?
2025 through Oct. 7, with 17 storm days (11 hail reports, 18 thunderstorm wind reports, 1 tornado entry). The 15-year average is 8.8 storm days.
How many hail reports does Aberdeen see in a typical year?
About 17 hail reports a year (2010–2024 average), with 1-inch or larger hail reported every year. Thunderstorm wind averages 22 reports a year.
What month has the most hail near Aberdeen?
August has the most hail reports (86, 2010–Oct. 2025), followed by July (84) and June (48).
What is the strongest measured thunderstorm gust near Aberdeen, 2010–Oct. 2025?
120 mph, measured on June 14, 2022 in Brown County. Only gusts NCEI lists as measured count here; gusts measured on a date and county with a tornado entry, and entries of 120 knots or more (known entry errors), are left out.
Aberdeen hail map and wind map
Researching hail or wind in Aberdeen? The Hail Explorer and Wind Explorer map radar-derived hail swaths and peak-gust wind swaths across South Dakota, including the Aberdeen metro: pick any storm date and see how estimated hail size and gust bands tracked through Brown County. Both explorers are included with Pro+ and Organization plans.
County-level activity is on the Impact Heatmap (free with an account), and day-by-day history is on the Storm Calendar (Pro plans and higher).
Free Aberdeen weather report by address
Area maps show where storms tracked; an insurance claim or roof inspection turns on what happened at the property. Three ways to check one Aberdeen address:
- The Free Report Snapshot answers YES/NO instantly on estimated wind of 45 mph or more and hail of 0.75 in. or larger (screening thresholds) at the address.
- The free Address Lookup lists NWS warnings, storm reports and NOAA observations near the address — free Aberdeen wind history and free Aberdeen hail history.
- A complete Weather Report for $2.99 covers every qualifying storm date at one address over the last 2 years.
All values are estimates from public NOAA data under our published methodology (see Limitations).
Working storm claims? Roofing contractors, public adjusters, and insurance adjusters work from this same public storm record with statewide hail and wind maps and per-address reports — see StormAuditor for professionals.
Sources: NWS alerts (api.weather.gov) · NWS Local Storm Reports via the Iowa Environmental Mesonet · ASOS/AWOS station gusts via the Iowa Environmental Mesonet · NOAA NCEI Storm Events Database · every StormAuditor data source.
Free Aberdeen storm data download
The Aberdeen storm records for the last 12 months download free, free to reuse under the data license: download CSV · JSON at https://www.stormauditor.com/downloads/storm-data/sd/aberdeen.json.
- Coverage: every wind and hail record within about 25 miles of Aberdeen or recorded for Brown County, with dates, counties, event types, measured gusts and hail sizes.
- Rows: each source record before consolidation, including every NWS warning product and smaller storm reports, so the row count differs from the event counts above.
- Statewide files are on the South Dakota storm data page.
Nearby city storm pages:
Guides for reading this data
Cite or link to this data — free
Free to quote, summarize, reuse, and link — for bloggers, journalists, researchers, contractors, and AI writing tools. No permission or credit required. A ready-made citation and link are below if they help. Terms: StormAuditor data & content license.
Citation: StormAuditor. "Aberdeen, SD Hail & Wind Storm History." Updated August 30, 2026. https://www.stormauditor.com/storm-data/sd/aberdeen
HTML link: <a href="https://www.stormauditor.com/storm-data/sd/aberdeen">Aberdeen, SD Hail & Wind Storm History — StormAuditor</a>
About this page: built by Storm Auditor LLC from public NOAA/NWS records — deduplicated warnings, storm reports, station measurements, and official records on a rolling 12-month window, under the published methodology. See the StormAuditor Editorial Team for how content is produced.
Data last refreshed October 8, 2026. Event counts cover wind and hail (warning products, and storm reports from 50 mph or 0.75 in.); flood activity and Special Weather Statements are not counted here.