Hail History

Hail history for Trenton, Missouri

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

Readout · Trenton

Last hail
May 16, 2026
1.25 in, half dollar size
Hail days, last 5 years
6
since Nov 3, 2021 · 19 reports
Largest ever
4.25 in
grapefruit · May 10, 2014

77 reports on 45 days since 1961 · #18 of 491 Missouri places

Hail map · Trenton

Trenton Laredo Spickard Jamesport Gilman City 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
77 most recent reports with a location; Grundy County is shaded. Open street map

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What the record says about Trenton

The latest hail report in and around Trenton is from May 16, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 3.00 in on May 16, 2026.

Over the 20 years 2006–2025, Trenton logged 39 reports on 24 hail days, about 1.9 reports a year. That is 3.9 times the median Missouri town on this site (0.5 a year) and ranks #18 of 491 Missouri cities and towns on this site for all-time reports. Trenton accounts for 41% of the 186 reports filed in Grundy County.

17% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Missouri town on this site. The largest hail on record here is 4.25 in (grapefruit) on May 10, 2014 near 2.11 W Trenton.

Reports were down 50% in 2016–2025 (13) compared with 2006–2015 (26). The busiest year was 2026, with 12 reports on 1 day. Hail here peaks in May (44% of reports); 70% fall between April and June.

Reports a year 2006–2025 average

  • Trenton 1.9
  • Grundy County 5.0
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Trenton 24
  • Grundy County 48
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Trenton 17%
  • Grundy County 17%
  • Median Missouri town on this site 5%

Hail over time

051015 1961: 2 reports, largest 1.75 in 1970 1974: 1 reports, largest 1.00 in 1975: 1 reports, largest 1.75 in 1979: 1 reports, largest 2.50 in 1980 1990: 1 reports, largest 0.75 in 1990 1999: 1 reports, largest 0.75 in 2000: 2 reports, largest 1.75 in 2000 2001: 5 reports, largest 1.00 in 2002: 6 reports, largest 1.00 in 2003: 2 reports, largest 0.88 in 2004: 3 reports, largest 4.00 in 2005: 1 reports, largest 0.88 in 2006: 4 reports, largest 1.25 in 2007: 1 reports, largest 0.88 in 2008: 4 reports, largest 1.75 in 2009: 2 reports, largest 0.75 in 2010: 2 reports, largest 0.75 in 2010 2011: 8 reports, largest 2.50 in 2014: 5 reports, largest 4.25 in 2017: 1 reports, largest 1.25 in 2019: 5 reports, largest 1.50 in 2020 2022: 1 reports, largest 1.25 in 2023: 5 reports, largest 2.75 in 2024: 1 reports, largest 1.00 in 2026: 12 reports, largest 3.00 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.
010203040 Jan Feb March: 9 reports (12%) Mar April: 8 reports (10%) Apr May: 34 reports (44%) May June: 12 reports (16%) Jun July: 5 reports (6%) Jul August: 3 reports (4%) Aug September: 4 reports (5%) Sep October: 2 reports (3%) Oct Nov Dec
All 77 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 12 12
2025 0
2024 1 1
2023 221 5
2022 1 1
2021 0
2020 0
2019 1112 5
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 16, 2026 12 3.00 in —
Apr 27, 2024 1 1.00 in —
Aug 11, 2023 1 1.00 in —
May 6, 2023 2 2.75 in —
Mar 31, 2023 2 1.75 in —
Mar 5, 2022 1 1.25 in —

Largest hail on record

Largest hail reports in Trenton
Date Size Location County Damage Time · source
May 10, 2014 4.25 ingrapefruit 2.11 W Trenton Grundy — 16:10 local · NCEI
May 27, 2004 4.00 ingrapefruit Trenton Grundy $300K 14:12 local · NCEI
May 16, 2026 3.00 inteacup 2.11 E Trenton Arpt Grundy — 16:13 local · NCEI
May 16, 2026 2.75 inbaseball 1.74 SE Trenton Arpt Grundy — 16:17 local · NCEI
May 16, 2026 2.75 inbaseball 2.1 SE Edinburg Grundy — 15:42 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Trenton
Date Size Location County Time · source
May 16, 2026 1.25 inhalf dollar 0.69 S Trenton Arpt Grundy 21:42 local · NCEI
May 16, 2026 1.25 inhalf dollar 1.73 WNW Trenton Grundy 21:34 local · NCEI
May 16, 2026 2.00 inhen egg 2.22 ESE Parkerton Grundy 16:26 local · NCEI
May 16, 2026 2.75 inbaseball 1.74 SE Trenton Arpt Grundy 16:17 local · NCEI
May 16, 2026 1.75 ingolf ball 2.07 N Trenton Grundy 16:17 local · NCEI
May 16, 2026 3.00 inteacup 2.11 E Trenton Arpt Grundy 16:13 local · NCEI
May 16, 2026 1.75 ingolf ball 1.06 E Trenton Arpt Grundy 16:11 local · NCEI
May 16, 2026 1.25 inhalf dollar 1.26 ESE Trenton Arpt Grundy 16:11 local · NCEI
May 16, 2026 1.00 inquarter 2.64 E Trenton Arpt Grundy 16:02 local · NCEI
May 16, 2026 2.75 inbaseball 2.1 SE Edinburg Grundy 15:42 local · NCEI
May 16, 2026 1.00 inquarter 1.58 E Parkerton Grundy 15:39 local · NCEI
May 16, 2026 1.75 ingolf ball 0.69 S Trenton Arpt Grundy 15:22 local · NCEI

Hail history near Trenton

Questions about hail in Trenton

How often does it hail in Trenton, Missouri?

77 hail reports have been logged in and within about 5 km (3 miles) of Trenton since 1961. Over the 20 years 2006–2025 that averages 1.9 reports a year. That ranks #18 of 491 Missouri places by number of reports.

When is hail season in Trenton?

Most reports come in May, June, March. May alone accounts for 44% of all reports.

What is the largest hail recorded in Trenton?

4.25 in (grapefruit size) on May 10, 2014 near 2.11 W Trenton. 17% of reports here were 2 inches or larger.

When did it last hail in Trenton?

The most recent report in this data is from May 16, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

6 separate days with hail reports since November 3, 2021, adding up to 19 reports. The most recent was May 16, 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.