Hail History

Hail history for Zalma, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Zalma since 1997, with preliminary reports to November 3, 2026.

Readout · Zalma

Last hail
Apr 16, 2026
0.75 in, penny size
Hail days, last 5 years
1
since Nov 3, 2021 · 2 reports
Largest ever
2.75 in
baseball · Apr 30, 2006

16 reports on 15 days since 1997 · #318 of 491 Missouri places

Hail map · Zalma

Zalma Advance Marble Hill Delta Greenville Oran 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
16 most recent reports with a location; Bollinger County is shaded. Open street map

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What the record says about Zalma

The latest hail report in and around Zalma is from April 16, 2026, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.25 in on April 16, 2026.

Over the 20 years 2006–2025, Zalma logged 8 reports on 8 hail days, about 0.4 reports a year. That is 20% less than the median Missouri town on this site (0.5 a year) and ranks #318 of 491 Missouri cities and towns on this site for all-time reports. Zalma accounts for 14% of the 112 reports filed in Bollinger County.

19% 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 2.75 in (baseball) on April 30, 2006 near 1 E Zalma.

Reports were down 86% in 2016–2025 (1) compared with 2006–2015 (7). The busiest year was 2006, with 3 reports on 3 days. Hail here peaks in April (44% of reports); 69% fall between April and June.

Reports a year 2006–2025 average

  • Zalma 0.4
  • Bollinger County 2.5
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Zalma 8
  • Bollinger County 42
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Zalma 19%
  • Bollinger County 13%
  • Median Missouri town on this site 5%

Hail over time

0123 1997: 2 reports, largest 1.75 in 2000: 1 reports, largest 2.75 in 2000 2002: 2 reports, largest 1.75 in 2005: 1 reports, largest 1.00 in 2005 2006: 3 reports, largest 2.75 in 2007: 1 reports, largest 0.75 in 2010 2011: 2 reports, largest 1.25 in 2014: 1 reports, largest 1.00 in 2015 2018: 1 reports, largest 1.00 in 2020 2025 2026: 2 reports, largest 1.25 in
Reports per year, 1997–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan February: 1 reports (6%) Feb March: 1 reports (6%) Mar April: 7 reports (44%) Apr May: 3 reports (19%) May June: 1 reports (6%) Jun July: 1 reports (6%) Jul August: 2 reports (13%) Aug Sep Oct Nov Dec
All 16 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 16, 2026 2 1.25 in —

Largest hail on record

Largest hail reports in Zalma
Date Size Location County Damage Time · source
Apr 30, 2006 2.75 inbaseball 1 E Zalma Bollinger $50K 15:08 local · NCEI
Apr 16, 2000 2.75 inbaseball 1 S Zalma Bollinger — 16:25 local · NCEI
May 25, 2006 2.50 intennis ball Greenbrier Bollinger — 16:50 local · NCEI
Apr 24, 2002 1.75 ingolf ball Zalma Bollinger — 17:05 local · NCEI
Jun 13, 1997 1.75 ingolf ball 4 S Zalma Bollinger — 18:35 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Zalma
Date Size Location County Damage Time · source
Apr 16, 2026 0.75 inpenny 2 E Zalma Bollinger — 13:15 local · NCEI
Apr 16, 2026 1.25 inhalf dollar 3 WSW Zalma Bollinger — 13:03 local · NCEI
Mar 16, 2018 1.00 inquarter Arab Bollinger — 21:29 local · NCEI
May 9, 2014 1.00 inquarter 1 S Zalma Bollinger — 14:12 local · NCEI
Apr 27, 2011 1.00 inquarter 0.69 S Zalma Bollinger — 12:30 local · NCEI
Apr 22, 2011 1.25 inhalf dollar 1 SW Zalma Bollinger — 19:25 local · NCEI
Feb 20, 2007 0.75 inpenny Arab Bollinger — 20:05 local · NCEI
Aug 19, 2006 0.75 inpenny Greenbrier Bollinger — 16:02 local · NCEI
May 25, 2006 2.50 intennis ball Greenbrier Bollinger — 16:50 local · NCEI
Apr 30, 2006 2.75 inbaseball 1 E Zalma Bollinger $50K 15:08 local · NCEI
Aug 26, 2005 1.00 inquarter 2 S Zalma Bollinger — 14:05 local · NCEI
May 2, 2002 0.75 inpenny Arab Bollinger — 06:30 local · NCEI

Hail history near Zalma

Questions about hail in Zalma

How often does it hail in Zalma, Missouri?

16 hail reports have been logged in and within about 5 km (3 miles) of Zalma since 1997. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #318 of 491 Missouri places by number of reports.

When is hail season in Zalma?

Most reports come in April, May, August. April alone accounts for 44% of all reports.

What is the largest hail recorded in Zalma?

2.75 in (baseball size) on April 30, 2006 near 1 E Zalma. 19% of reports here were 2 inches or larger.

When did it last hail in Zalma?

The most recent report in this data is from April 16, 2026 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was April 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.