Hail History

Hail history for Polo, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Polo since 1970, with preliminary reports to November 3, 2026.

Readout · Polo

Last hail
Jun 17, 2023
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Jun 11, 2018

13 reports on 12 days since 1970 · #392 of 491 Missouri places

Hail map · Polo

Polo Cowgill Kingston Braymer Hamilton Cameron 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
13 most recent reports with a location; Caldwell County is shaded. Open street map

For homeowners

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What the record says about Polo

The latest hail report in and around Polo is from June 17, 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 June 17, 2023.

Over the 20 years 2006–2025, Polo logged 5 reports on 5 hail days, about 0.3 reports a year. That is about half the median Missouri town on this site (0.5 a year) and ranks #392 of 491 Missouri cities and towns on this site for all-time reports. Polo accounts for 13% of the 102 reports filed in Caldwell County.

0% 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 1.75 in (golf ball) on June 11, 2018 near 0.87 NE Polo.

The busiest year was 2018, with 2 reports on 2 days. Hail here peaks in June (38% of reports); 69% fall between April and June.

Reports a year 2006–2025 average

  • Polo 0.3
  • Caldwell County 2.6
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Polo 5
  • Caldwell County 30
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Polo 0%
  • Caldwell County 6%
  • Median Missouri town on this site 5%

Hail over time

012 1970: 1 reports, largest 1.75 in 1970 1980 1990 1991: 2 reports, largest 1.75 in 1999: 1 reports, largest 0.75 in 2000: 2 reports, largest 0.88 in 2000 2001: 1 reports, largest 0.75 in 2003: 1 reports, largest 0.88 in 2009: 1 reports, largest 0.75 in 2010: 1 reports, largest 1.00 in 2010 2018: 2 reports, largest 1.75 in 2020 2023: 1 reports, largest 1.00 in
Reports per year, 1970–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May: 4 reports (31%) May June: 5 reports (38%) Jun July: 2 reports (15%) Jul Aug September: 1 reports (8%) Sep October: 1 reports (8%) Oct Nov Dec
All 13 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 0
2018 11 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 17, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Polo
Date Size Location County Time · source
Jun 11, 2018 1.75 ingolf ball 0.87 NE Polo Caldwell 21:47 local · NCEI
May 4, 1991 1.75 ingolf ball — Caldwell 15:00 local · NCEI
May 5, 1970 1.75 ingolf ball — Caldwell 21:20 local · NCEI
Jun 17, 2023 1.00 inquarter 0.53 E Polo Caldwell 16:39 local · NCEI
Jul 19, 2018 1.00 inquarter 0.87 NE Polo Caldwell 10:22 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 Polo
Date Size Location County Time · source
Jun 17, 2023 1.00 inquarter 0.53 E Polo Caldwell 16:39 local · NCEI
Jul 19, 2018 1.00 inquarter 0.87 NE Polo Caldwell 10:22 local · NCEI
Jun 11, 2018 1.75 ingolf ball 0.87 NE Polo Caldwell 21:47 local · NCEI
Jun 4, 2010 1.00 inquarter 0.87 SE Polo Caldwell 20:58 local · NCEI
Jun 17, 2009 0.75 inpenny 2.14 NNE Polo Caldwell 17:13 local · NCEI
May 8, 2003 0.88 innickel 1 E Polo Caldwell 16:44 local · NCEI
Jun 14, 2001 0.75 inpenny Polo Caldwell 13:55 local · NCEI
Oct 14, 2000 0.75 inpenny Polo Caldwell 13:10 local · NCEI
Sep 11, 2000 0.88 innickel 6 N Knoxville Ray 18:45 local · NCEI
Jul 23, 1999 0.75 inpenny Polo Caldwell 14:26 local · NCEI
May 4, 1991 0.75 inpenny — Caldwell 15:50 local · NCEI
May 4, 1991 1.75 ingolf ball — Caldwell 15:00 local · NCEI

Hail history near Polo

Questions about hail in Polo

How often does it hail in Polo, Missouri?

13 hail reports have been logged in and within about 5 km (3 miles) of Polo since 1970. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #392 of 491 Missouri places by number of reports.

When is hail season in Polo?

Most reports come in June, May, July. June alone accounts for 38% of all reports.

What is the largest hail recorded in Polo?

1.75 in (golf ball size) on June 11, 2018 near 0.87 NE Polo. 0% of reports here were 2 inches or larger.

When did it last hail in Polo?

The most recent report in this data is from June 17, 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 Polo 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 June 17, 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.