Hail history for North Sioux City, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of North Sioux City since 1986, with preliminary reports to November 3, 2026.
Readout · North Sioux City
- Last hail
- May 12, 2022
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Aug 2, 2001
18 reports on 14 days since 1986 · #147 of 305 South Dakota places
Hail map · North Sioux City
- 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 North Sioux City
The latest hail report in and around North Sioux City is from May 12, 2022, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.75 in on May 12, 2022.
Over the 20 years 2006–2025, North Sioux City logged 5 reports on 4 hail days, about 0.3 reports a year. That is 44% less than the median South Dakota town on this site (0.5 a year) and ranks #147 of 305 South Dakota cities and towns on this site for all-time reports. North Sioux City accounts for 11% of the 162 reports filed in Union County.
0% 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 1.75 in (golf ball) on August 2, 2001 near North Sioux City.
The busiest year was 2001, with 5 reports on 3 days. Hail here peaks in May (44% of reports); 67% fall between April and June.
Reports a year 2006–2025 average
- North Sioux City 0.3
- Union County 2.9
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- North Sioux City 4
- Union County 44
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- North Sioux City 0%
- Union County 4%
- 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 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 12, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 2, 2001 | 1.75 ingolf ball | North Sioux City | Union | 06:45 local · NCEI |
| May 28, 1998 | 1.75 ingolf ball | Mc Cook Lake | Union | 18:54 local · NCEI |
| May 28, 1998 | 1.75 ingolf ball | North Sioux City | Union | 18:20 local · NCEI |
| Jul 28, 1986 | 1.75 ingolf ball | — | Union | 19:52 local · NCEI |
| Aug 23, 2004 | 1.25 inhalf dollar | North Sioux City | Union | 15:06 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 8 44%
- 1–2 in 10 56%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 12, 2022 | 0.75 inpenny | 2.55 W Mc Cook Lake | Union | 18:21 local · NCEI |
| Apr 24, 2016 | 0.75 inpenny | 0.86 NW Graham Arpt | Union | 18:53 local · NCEI |
| May 27, 2012 | 1.00 inquarter | 0.51 W Graham Arpt | Union | 20:45 local · NCEI |
| May 27, 2012 | 1.00 inquarter | 0.69 N Mc Cook Lake | Union | 20:38 local · NCEI |
| May 6, 2008 | 0.75 inpenny | 1.68 WNW Mc Cook Lake | Union | 15:37 local · NCEI |
| Aug 23, 2004 | 1.25 inhalf dollar | North Sioux City | Union | 15:06 local · NCEI |
| May 28, 2004 | 0.88 innickel | North Sioux City | Union | 19:38 local · NCEI |
| May 24, 2004 | 1.00 inquarter | North Sioux City | Union | 12:14 local · NCEI |
| Apr 21, 2004 | 0.75 inpenny | North Sioux City | Union | 14:30 local · NCEI |
| Jul 25, 2002 | 0.75 inpenny | North Sioux City | Union | 02:25 local · NCEI |
| Aug 2, 2001 | 1.75 ingolf ball | North Sioux City | Union | 06:45 local · NCEI |
| Aug 2, 2001 | 1.25 inhalf dollar | North Sioux City | Union | 06:42 local · NCEI |
Hail history near North Sioux City
Questions about hail in North Sioux City
How often does it hail in North Sioux City, South Dakota?
18 hail reports have been logged in and within about 5 km (3 miles) of North Sioux City since 1986. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #147 of 305 South Dakota places by number of reports.
When is hail season in North Sioux City?
Most reports come in May, August, April. May alone accounts for 44% of all reports.
What is the largest hail recorded in North Sioux City?
1.75 in (golf ball size) on August 2, 2001 near North Sioux City. 0% of reports here were 2 inches or larger.
When did it last hail in North Sioux City?
The most recent report in this data is from May 12, 2022 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has North Sioux City 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 12, 2022.
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.