Hail History

Hail history for DeWitt, Iowa

NOAA hail reports in and within about 5 km (3 miles) of DeWitt since 1958, with preliminary reports to November 3, 2026.

Readout · DeWitt

Last hail
Apr 20, 2023
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
4.00 in
grapefruit · Aug 7, 1958

23 reports on 18 days since 1958 · #124 of 483 Iowa places

Hail map · DeWitt

DeWitt Park View Camanche Clinton Maquoketa 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
23 most recent reports with a location; Clinton County is shaded. Open street map

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What the record says about DeWitt

The latest hail report in and around DeWitt is from April 20, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on April 20, 2023.

Over the 20 years 2006–2025, DeWitt logged 15 reports on 11 hail days, about 0.8 reports a year. That is 67% more than the median Iowa town on this site (0.5 a year) and ranks #124 of 483 Iowa cities and towns on this site for all-time reports. DeWitt accounts for 16% of the 142 reports filed in Clinton County.

9% 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 4.00 in (grapefruit) on August 7, 1958.

Reports held about level in 2016–2025 (7) compared with 2006–2015 (8). The busiest year was 2017, with 4 reports on 2 days. Hail here peaks in April (39% of reports); 70% fall between April and June.

Reports a year 2006–2025 average

  • DeWitt 0.8
  • Clinton County 4.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • DeWitt 11
  • Clinton County 42
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • DeWitt 9%
  • Clinton County 9%
  • Median Iowa town on this site 6%

Hail over time

01234 1958: 1 reports, largest 4.00 in 1960 1970 1980 1989: 1 reports, largest 1.00 in 1990 1997: 1 reports, largest 0.75 in 1999: 1 reports, largest 0.75 in 2000: 2 reports, largest 1.00 in 2000 2002: 1 reports, largest 0.75 in 2005: 1 reports, largest 1.00 in 2007: 1 reports, largest 1.00 in 2009: 1 reports, largest 0.75 in 2010: 1 reports, largest 0.75 in 2010 2011: 2 reports, largest 0.88 in 2015: 3 reports, largest 2.00 in 2017: 4 reports, largest 1.50 in 2019: 2 reports, largest 1.00 in 2020 2023: 1 reports, largest 1.00 in
Reports per year, 1958–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb Mar April: 9 reports (39%) Apr May: 6 reports (26%) May June: 1 reports (4%) Jun July: 3 reports (13%) Jul August: 2 reports (9%) Aug September: 1 reports (4%) Sep Oct November: 1 reports (4%) Nov Dec
All 23 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 2 2
2018 0
2017 31 4

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 20, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in DeWitt
Date Size Location County Time · source
Aug 7, 1958 4.00 ingrapefruit — Clinton 15:50 local · NCEI
Apr 9, 2015 2.00 inhen egg Dewitt Clinton 16:34 local · NCEI
Apr 15, 2017 1.50 inping pong ball Dewitt Clinton 17:30 local · NCEI
Apr 20, 2023 1.00 inquarter Dewitt Clinton 01:43 local · NCEI
May 16, 2019 1.00 inquarter 1.24 NW Dewitt Clinton 20:22 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 DeWitt
Date Size Location County Time · source
Apr 20, 2023 1.00 inquarter Dewitt Clinton 01:43 local · NCEI
May 16, 2019 1.00 inquarter 1.24 NW Dewitt Clinton 20:22 local · NCEI
May 16, 2019 1.00 inquarter 0.69 S Dewitt Clinton 20:15 local · NCEI
Aug 10, 2017 0.75 inpenny Dewitt Clinton 15:32 local · NCEI
Apr 15, 2017 1.00 inquarter Dewitt Clinton 17:35 local · NCEI
Apr 15, 2017 0.88 innickel Dewitt Clinton 17:33 local · NCEI
Apr 15, 2017 1.50 inping pong ball Dewitt Clinton 17:30 local · NCEI
Jun 20, 2015 0.88 innickel 0.69 N Gambrill Scott 13:20 local · NCEI
Apr 9, 2015 2.00 inhen egg Dewitt Clinton 16:34 local · NCEI
Apr 9, 2015 1.00 inquarter Dewitt Clinton 16:28 local · NCEI
May 22, 2011 0.88 innickel 1.38 N Dewitt Clinton 16:44 local · NCEI
Apr 3, 2011 0.88 innickel Dewitt Clinton 19:20 local · NCEI

Hail history near DeWitt

Questions about hail in DeWitt

How often does it hail in DeWitt, Iowa?

23 hail reports have been logged in and within about 5 km (3 miles) of DeWitt since 1958. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #124 of 483 Iowa places by number of reports.

When is hail season in DeWitt?

Most reports come in April, May, July. April alone accounts for 39% of all reports.

What is the largest hail recorded in DeWitt?

4.00 in (grapefruit size) on August 7, 1958. 9% of reports here were 2 inches or larger.

When did it last hail in DeWitt?

The most recent report in this data is from April 20, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was April 20, 2023.

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.