Hail History

Hail history for Sioux Center, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Sioux Center since 1961, with preliminary reports to November 5, 2026.

Readout · Sioux Center

Last hail
Oct 8, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
2
since Nov 5, 2021 · 2 reports
Largest ever
2.75 in
baseball · Aug 7, 1984

27 reports on 25 days since 1961 · #94 of 483 Iowa places

Hail map · Sioux Center

Sioux Center Orange City Hull Alton Rock Valley Boyden Hospers Granville 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
27 most recent reports with a location; Sioux County is shaded. Open street map

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What the record says about Sioux Center

The latest hail report in and around Sioux Center is from October 8, 2026, 1.00 in (quarter size). Since November 5, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on October 8, 2026.

Over the 20 years 2006–2025, Sioux Center logged 10 reports on 8 hail days, about 0.5 reports a year. That is 11% more than the median Iowa town on this site (0.5 a year) and ranks #94 of 483 Iowa cities and towns on this site for all-time reports. Sioux Center accounts for 10% of the 269 reports filed in Sioux County.

19% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 2.75 in (baseball) on August 7, 1984.

Reports were up 50% in 2016–2025 (6) compared with 2006–2015 (4). The busiest year was 2018, with 2 reports on 1 day. Hail here peaks in May (30% of reports); 52% fall between April and June.

Reports a year 2006–2025 average

  • Sioux Center 0.5
  • Sioux County 6.8
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Sioux Center 8
  • Sioux County 66
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Sioux Center 19%
  • Sioux County 6%
  • Median Iowa town on this site 6%

Hail over time

012 1961: 1 reports, largest 2.50 in 1963: 1 reports, largest 2.00 in 1970 1978: 2 reports, largest 2.00 in 1979: 1 reports, largest 1.50 in 1980: 1 reports, largest 1.75 in 1980 1984: 2 reports, largest 2.75 in 1990: 1 reports, largest 1.75 in 1990 1992: 1 reports, largest 0.75 in 1996: 1 reports, largest 2.50 in 1998: 1 reports, largest 0.75 in 2000 2002: 2 reports, largest 0.75 in 2004: 2 reports, largest 1.00 in 2007: 1 reports, largest 1.00 in 2008: 1 reports, largest 0.75 in 2009: 1 reports, largest 0.75 in 2010 2014: 1 reports, largest 1.75 in 2016: 1 reports, largest 1.00 in 2017: 2 reports, largest 1.00 in 2018: 2 reports, largest 1.00 in 2020 2024: 1 reports, largest 0.75 in 2026: 1 reports, largest 1.00 in
Reports per year, 1961–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb March: 1 reports (4%) Mar April: 2 reports (7%) Apr May: 8 reports (30%) May June: 4 reports (15%) Jun July: 7 reports (26%) Jul August: 3 reports (11%) Aug Sep October: 2 reports (7%) Oct Nov Dec
All 27 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 2 2
2017 2 2

Hail days since Nov 5, 2021

DateReportsLargestStorm page
Oct 8, 2026 1 1.00 in View
Jul 30, 2024 1 0.75 in —

Largest hail on record

Largest hail reports in Sioux Center
Date Size Location County Damage Time · source
Aug 7, 1984 2.75 inbaseball — Sioux — 14:22 local · NCEI
Jun 19, 1996 2.50 intennis ball Sioux Center Sioux $300K 19:25 local · NCEI
Jul 14, 1961 2.50 intennis ball — Sioux — 19:00 local · NCEI
Jul 5, 1978 2.00 inhen egg — Sioux — 18:00 local · NCEI
Jul 29, 1963 2.00 inhen egg — Sioux — 16:00 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

Most recent reports

Most recent hail reports in Sioux Center
Date Size Location County Time · source
Oct 8, 2026 1.00 inquarter 2 S Sioux Center Sioux 02:26 UTC · NWS prelim.
Jul 30, 2024 0.75 inpenny 0.86 SE Sioux Center Sioux 04:50 local · NCEI
May 1, 2018 0.88 innickel 2.81 S Carmel Sioux 18:20 local · NCEI
May 1, 2018 1.00 inquarter 3.03 W Sioux Center Sioux 18:19 local · NCEI
Jun 29, 2017 1.00 inquarter 0.5 E Sioux Center Sioux 16:30 local · NCEI
Jun 29, 2017 1.00 inquarter 0.5 E Sioux Center Sioux 16:24 local · NCEI
Jul 13, 2016 1.00 inquarter 0.5 E Sioux Center Sioux 07:00 local · NCEI
May 11, 2014 1.75 ingolf ball 0.5 E Sioux Center Sioux 19:23 local · NCEI
May 6, 2009 0.75 inpenny 2.13 SSW Carmel Sioux 13:47 local · NCEI
May 6, 2008 0.75 inpenny 0.86 SW Sioux Center Sioux 16:10 local · NCEI
Aug 20, 2007 1.00 inquarter Sioux Center Sioux 20:15 local · NCEI
May 28, 2004 1.00 inquarter 3 NE Sioux Center Sioux 20:05 local · NCEI

Hail history near Sioux Center

Questions about hail in Sioux Center

How often does it hail in Sioux Center, Iowa?

27 hail reports have been logged in and within about 5 km (3 miles) of Sioux Center since 1961. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #94 of 483 Iowa places by number of reports.

When is hail season in Sioux Center?

Most reports come in May, July, June. May alone accounts for 30% of all reports.

What is the largest hail recorded in Sioux Center?

2.75 in (baseball size) on August 7, 1984. 19% of reports here were 2 inches or larger.

When did it last hail in Sioux Center?

The most recent report in this data is from October 8, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.

How many hail storms has Sioux Center had in the last five years?

2 separate days with hail reports since November 5, 2021, adding up to 2 reports. The most recent was October 8, 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.