Hail History

Hail history for Bronson, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Bronson since 1999, with preliminary reports to November 3, 2026.

Readout · Bronson

Last hail
Jun 21, 2020
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Jul 2, 1999

12 reports on 10 days since 1999 · #354 of 483 Iowa places

Hail map · Bronson

Bronson Sergeant Bluff Salix Climbing Hill Moville Sioux City Sloan Hornick 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Woodbury County is shaded. Open street map

For homeowners

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What the record says about Bronson

The latest hail report in and around Bronson is from June 21, 2020, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Bronson logged 7 reports on 5 hail days, about 0.3 reports a year. That is 22% less than the median Iowa town on this site (0.5 a year) and ranks #354 of 483 Iowa cities and towns on this site for all-time reports. Bronson accounts for 3% of the 387 reports filed in Woodbury County.

8% 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 July 2, 1999 near Bronson.

The busiest year was 2006, with 3 reports on 2 days. Hail here peaks in June (33% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Bronson 0.3
  • Woodbury County 9.3
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Bronson 5
  • Woodbury County 74
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Bronson 8%
  • Woodbury County 4%
  • Median Iowa town on this site 6%

Hail over time

0123 1999: 1 reports, largest 2.75 in 2000: 1 reports, largest 0.75 in 2000 2002: 1 reports, largest 0.88 in 2004: 1 reports, largest 1.00 in 2005: 1 reports, largest 0.88 in 2005 2006: 3 reports, largest 1.50 in 2010 2015: 1 reports, largest 1.00 in 2015 2017: 1 reports, largest 1.25 in 2020: 2 reports, largest 1.00 in 2020 2025
Reports per year, 1999–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb March: 2 reports (17%) Mar Apr May: 2 reports (17%) May June: 4 reports (33%) Jun July: 2 reports (17%) Jul August: 2 reports (17%) Aug Sep Oct Nov Dec
All 12 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 2 2
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in Bronson
Date Size Location County Damage Time · source
Jul 2, 1999 2.75 inbaseball Bronson Woodbury $500K 09:10 local · NCEI
Mar 7, 2006 1.50 inping pong ball Bronson Woodbury — 10:30 local · NCEI
Jun 29, 2017 1.25 inhalf dollar 0.86 SW Bronson Woodbury — 15:59 local · NCEI
Jun 21, 2020 1.00 inquarter 1.38 S Bronson Woodbury — 05:30 local · NCEI
Aug 9, 2015 1.00 inquarter 2.31 SSW Bronson Woodbury — 21:04 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Bronson
Date Size Location County Damage Time · source
Jun 21, 2020 1.00 inquarter 1.38 S Bronson Woodbury — 05:30 local · NCEI
Jun 21, 2020 0.88 innickel 0.86 SW Bronson Woodbury — 05:30 local · NCEI
Jun 29, 2017 1.25 inhalf dollar 0.86 SW Bronson Woodbury — 15:59 local · NCEI
Aug 9, 2015 1.00 inquarter 2.31 SSW Bronson Woodbury — 21:04 local · NCEI
Jul 9, 2006 0.75 inpenny 1 E Bronson Woodbury — 17:23 local · NCEI
Mar 7, 2006 1.50 inping pong ball Bronson Woodbury — 10:30 local · NCEI
Mar 7, 2006 0.75 inpenny 10 NE Salix Woodbury — 10:19 local · NCEI
Jun 27, 2005 0.88 innickel Bronson Woodbury — 23:58 local · NCEI
May 24, 2004 1.00 inquarter 2 NE Sioux City Woodbury — 12:24 local · NCEI
Aug 16, 2002 0.88 innickel Bronson Woodbury — 13:05 local · NCEI
May 17, 2000 0.75 inpenny Bronson Woodbury — 18:10 local · NCEI
Jul 2, 1999 2.75 inbaseball Bronson Woodbury $500K 09:10 local · NCEI

Hail history near Bronson

Questions about hail in Bronson

How often does it hail in Bronson, Iowa?

12 hail reports have been logged in and within about 5 km (3 miles) of Bronson since 1999. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #354 of 483 Iowa places by number of reports.

When is hail season in Bronson?

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

What is the largest hail recorded in Bronson?

2.75 in (baseball size) on July 2, 1999 near Bronson. 8% of reports here were 2 inches or larger.

When did it last hail in Bronson?

The most recent report in this data is from June 21, 2020 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Bronson since November 3, 2021. The last one was on June 21, 2020.

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.