Hail History

Hail history for Fremont County, Iowa

Every NOAA hail report filed in Fremont County since 1955, with preliminary National Weather Service reports to November 3, 2026.

Readout · Fremont County

Last hail
Jul 3, 2026
1.00 in, quarter size
Hail days, last 5 years
8
since Nov 3, 2021 · 17 reports
Largest ever
3.00 in
teacup · Apr 19, 2023

140 reports on 97 days since 1955 · #52 of 100 Iowa counties

Hail map · Fremont County

Hamburg Sidney Farragut Riverton Thurman 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
128 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Fremont County

The latest hail report in Fremont County is from July 3, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 3.00 in on April 19, 2023.

Over the 20 years 2006–2025, Fremont County logged 74 reports on 47 hail days, about 3.7 reports a year. That is about the same as the median Iowa county (3.7 a year) and ranks #52 of 100 Iowa counties for all-time reports. Fremont County holds 1% of all 16,032 hail reports in Iowa.

9% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Iowa county. The largest hail on record here is 3.00 in (teacup) on April 19, 2023 near 1.25 WSW Thurman.

Reports held about level in 2016–2025 (35) compared with 2006–2015 (39). The busiest year was 2017, with 12 reports on 4 days. Hail here peaks in May (30% of reports); 76% fall between April and June.

Reports a year 2006–2025 average

  • Fremont County 3.7
  • Median Iowa county 3.7

Hail days 2006–2025

  • Fremont County 47
  • Median Iowa county 39.5

Share 2 in or larger of sized reports

  • Fremont County 9%
  • Median Iowa county 7%

Hail over time

051015 1955: 1 reports, largest 0.75 in 1959: 1 reports, largest 1.75 in 1960 1961: 1 reports, largest 0.75 in 1964: 2 reports, largest 3.00 in 1970 1971: 1 reports, largest 2.00 in 1972: 1 reports, largest 2.75 in 1975: 1 reports, largest 1.75 in 1976: 1 reports, largest 1.75 in 1977: 1 reports, largest 2.50 in 1980: 1 reports, largest 1.75 in 1980 1984: 1 reports, largest 2.75 in 1986: 1 reports, largest 1.50 in 1987: 1 reports, largest 1.50 in 1990: 1 reports, largest 1.75 in 1990 1992: 3 reports, largest 1.75 in 1993: 1 reports, largest 1.00 in 1994: 6 reports, largest 1.75 in 1995: 5 reports, largest 1.75 in 1996: 3 reports, largest 2.50 in 1997: 1 reports, largest 0.75 in 1998: 3 reports, largest 1.75 in 1999: 1 reports, largest 0.75 in 2000 2001: 3 reports, largest 1.75 in 2002: 6 reports, largest 1.50 in 2003: 5 reports, largest 0.88 in 2004: 5 reports, largest 1.75 in 2005: 7 reports, largest 2.50 in 2006: 5 reports, largest 1.75 in 2007: 3 reports, largest 1.00 in 2008: 7 reports, largest 0.88 in 2010: 3 reports, largest 2.50 in 2010 2011: 5 reports, largest 1.75 in 2012: 5 reports, largest 1.50 in 2013: 1 reports, largest 1.00 in 2014: 8 reports, largest 2.75 in 2015: 2 reports, largest 1.25 in 2016: 4 reports, largest 1.00 in 2017: 12 reports, largest 1.75 in 2018: 2 reports, largest 1.00 in 2019: 1 reports, largest 0.88 in 2020 2021: 1 reports, largest 1.00 in 2023: 10 reports, largest 3.00 in 2024: 4 reports, largest 1.00 in 2025: 1 reports, largest 1.75 in 2026: 2 reports, largest 1.50 in
Reports per year, 1955–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 Jan Feb March: 8 reports (6%) Mar April: 28 reports (20%) Apr May: 42 reports (30%) May June: 36 reports (26%) Jun July: 8 reports (6%) Jul August: 13 reports (9%) Aug September: 4 reports (3%) Sep October: 1 reports (1%) Oct Nov Dec
All 140 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 11 2
2025 1 1
2024 121 4
2023 73 10
2022 0
2021 1 1
2020 0
2019 1 1
2018 2 2
2017 138 12

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 3, 2026 1 1.00 in —
May 18, 2026 1 1.50 in —
Apr 17, 2025 1 1.75 in —
Jul 10, 2024 1 1.00 in —
May 21, 2024 2 1.00 in —
Apr 30, 2024 1 1.00 in —
May 7, 2023 3 1.75 in —
Apr 19, 2023 7 3.00 in —

Largest hail on record

Largest hail reports in Fremont County
Date Size Location Time · source
Apr 19, 2023 3.00 inteacup 1.25 WSW Thurman 16:28 local · NCEI
May 7, 1964 3.00 inteacup — 22:30 local · NCEI
May 11, 2014 2.75 inbaseball 1.72 WNW Percival 20:40 local · NCEI
Apr 26, 1984 2.75 inbaseball — 16:40 local · NCEI
Sep 13, 1972 2.75 inbaseball — 17:24 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 Fremont County
Date Size Location Time · source
Jul 3, 2026 1.00 inquarter 0.69 S Sidney 21:28 local · NCEI
May 18, 2026 1.50 inping pong ball 4.28 SSW Farragut 16:04 local · NCEI
Apr 17, 2025 1.75 ingolf ball 1.71 ESE Bartlett 19:16 local · NCEI
Jul 10, 2024 1.00 inquarter 5 N Sidney 16:21 local · NCEI
May 21, 2024 1.00 inquarter 11.57 NNE Imogene 13:16 local · NCEI
May 21, 2024 1.00 inquarter Imogene 13:12 local · NCEI
Apr 30, 2024 1.00 inquarter 5 SE Riverton 16:21 local · NCEI
May 7, 2023 1.75 ingolf ball 1.48 SSW Imogene 19:45 local · NCEI
May 7, 2023 1.00 inquarter 0.69 N Hamburg 19:38 local · NCEI
May 7, 2023 1.75 ingolf ball 3.34 SW Sidney 19:26 local · NCEI
Apr 19, 2023 1.75 ingolf ball 0.87 NW Hamburg 18:37 local · NCEI
Apr 19, 2023 1.00 inquarter Hamburg 18:05 local · NCEI

Cities and towns in Fremont County

PlaceReportsLargest
Hamburg172.50 in
Sidney162.75 in
Farragut121.75 in
Riverton122.00 in
Thurman123.00 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Randolph99May 11, 2014
Tabor88Apr 12, 2014
Bartlett77Apr 17, 2025
Imogene76May 21, 2024
Percival77May 8, 2021
Anderson22Jul 10, 2024

Questions about hail in Fremont County

How often does it hail in Fremont County, Iowa?

140 hail reports have been logged in Fremont County since 1955. Over the 20 years 2006–2025 that averages 3.7 reports a year. That ranks #52 of 100 Iowa counties by number of reports.

When is hail season in Fremont County?

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

What is the largest hail recorded in Fremont County?

3.00 in (teacup size) on April 19, 2023 near 1.25 WSW Thurman. 9% of reports here were 2 inches or larger.

When did it last hail in Fremont County?

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

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

8 separate days with hail reports since November 3, 2021, adding up to 17 reports. The most recent was July 3, 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.