Hail History

Hail history for St. Ansgar, Iowa

NOAA hail reports in and within about 5 km (3 miles) of St. Ansgar since 1965, with preliminary reports to November 3, 2026.

Readout · St. Ansgar

Last hail
May 15, 2017
0.75 in, penny size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Oct 4, 2006

24 reports on 17 days since 1965 · #120 of 483 Iowa places

Hail map · St. Ansgar

St. Ansgar Stacyville Grafton Osage 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
24 most recent reports with a location; Mitchell County is shaded. Open street map

For homeowners

Concerned about your roof after hail?

Send a request to Moxisync Labs for review. The latest hail report in St. Ansgar is from May 15, 2017. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Roofer? Get hail alerts for your area with StormScope

What the record says about St. Ansgar

The latest hail report in and around St. Ansgar is from May 15, 2017, 0.75 in (penny size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, St. Ansgar logged 18 reports on 11 hail days, about 0.9 reports a year. That is about twice the median Iowa town on this site (0.5 a year) and ranks #120 of 483 Iowa cities and towns on this site for all-time reports. St. Ansgar accounts for 22% of the 110 reports filed in Mitchell County.

13% 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 October 4, 2006 near 2.44 SW St Ansgar.

Reports were down 80% in 2016–2025 (3) compared with 2006–2015 (15). The busiest year was 2006, with 7 reports on 3 days. Hail here peaks in April (33% of reports); 67% fall between April and June.

Reports a year 2006–2025 average

  • St. Ansgar 0.9
  • Mitchell County 3.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • St. Ansgar 11
  • Mitchell County 27
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • St. Ansgar 13%
  • Mitchell County 10%
  • Median Iowa town on this site 6%

Hail over time

02468 1965: 1 reports, largest 0.75 in 1970 1979: 1 reports, largest 0.75 in 1980 1985: 1 reports, largest 0.75 in 1990 2000 2001: 2 reports, largest 1.00 in 2004: 1 reports, largest 0.88 in 2006: 7 reports, largest 2.75 in 2007: 1 reports, largest 0.75 in 2010: 1 reports, largest 0.88 in 2010 2011: 2 reports, largest 2.00 in 2013: 3 reports, largest 1.00 in 2015: 1 reports, largest 0.88 in 2017: 3 reports, largest 1.25 in 2020
Reports per year, 1965–2026. 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: 8 reports (33%) Apr May: 4 reports (17%) May June: 4 reports (17%) Jun Jul August: 2 reports (8%) Aug September: 1 reports (4%) Sep October: 4 reports (17%) Oct Nov Dec
All 24 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 21 3

Largest hail on record

Largest hail reports in St. Ansgar
Date Size Location County Damage Time · source
Oct 4, 2006 2.75 inbaseball 2.44 SW St Ansgar Mitchell $150K 02:55 local · NCEI
Oct 4, 2006 2.75 inbaseball 0.5 W St Ansgar Mitchell $25K 02:45 local · NCEI
Apr 9, 2011 2.00 inhen egg 0.5 E St Ansgar Mitchell $600K 22:20 local · NCEI
Oct 4, 2006 1.75 ingolf ball 0.5 W St Ansgar Mitchell $20K 02:43 local · NCEI
Jun 14, 2006 1.50 inping pong ball St Ansgar Mitchell $1K 09:54 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in St. Ansgar
Date Size Location County Damage Time · source
May 15, 2017 0.75 inpenny 0.5 E St Ansgar Mitchell — 14:59 local · NCEI
Apr 9, 2017 1.00 inquarter 0.85 NE St Ansgar Mitchell — 20:48 local · NCEI
Apr 9, 2017 1.25 inhalf dollar 0.5 E St Ansgar Mitchell — 20:47 local · NCEI
May 7, 2015 0.88 innickel 1.71 SW St Ansgar Arpt Mitchell — 19:00 local · NCEI
May 31, 2013 1.00 inquarter 0.5 E St Ansgar Mitchell — 22:11 local · NCEI
Apr 9, 2013 0.88 innickel 0.5 E St Ansgar Mitchell — 18:23 local · NCEI
Apr 9, 2013 0.75 inpenny 1.51 W St Ansgar Arpt Mitchell — 18:20 local · NCEI
Apr 9, 2011 2.00 inhen egg 0.5 E St Ansgar Mitchell $600K 22:20 local · NCEI
Apr 9, 2011 0.88 innickel 0.7 E St Ansgar Mitchell — 22:15 local · NCEI
Jun 25, 2010 0.88 innickel 0.85 NE St Ansgar Mitchell — 20:15 local · NCEI
Mar 21, 2007 0.75 inpenny 1.38 S St Ansgar Mitchell — 19:55 local · NCEI
Oct 4, 2006 2.75 inbaseball 2.44 SW St Ansgar Mitchell $150K 02:55 local · NCEI

Hail history near St. Ansgar

Questions about hail in St. Ansgar

How often does it hail in St. Ansgar, Iowa?

24 hail reports have been logged in and within about 5 km (3 miles) of St. Ansgar since 1965. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #120 of 483 Iowa places by number of reports.

When is hail season in St. Ansgar?

Most reports come in April, May, June. April alone accounts for 33% of all reports.

What is the largest hail recorded in St. Ansgar?

2.75 in (baseball size) on October 4, 2006 near 2.44 SW St Ansgar. 13% of reports here were 2 inches or larger.

When did it last hail in St. Ansgar?

The most recent report in this data is from May 15, 2017 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has St. Ansgar had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of St. Ansgar since November 3, 2021. The last one was on May 15, 2017.

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.