Hail History

Hail history for Ottawa County, Kansas

Every NOAA hail report filed in Ottawa County since 1956, with preliminary National Weather Service reports to November 3, 2026.

Readout · Ottawa County

Last hail
May 18, 2026
1.00 in, quarter size
Hail days, last 5 years
15
since Nov 3, 2021 · 37 reports
Largest ever
4.00 in
grapefruit · May 1, 2018

383 reports on 189 days since 1956 · #47 of 106 Kansas counties

Hail map · Ottawa County

Minneapolis Delphos Tescott Bennington Ada Culver Wells Niles 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
300 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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What the record says about Ottawa County

The latest hail report in Ottawa County is from May 18, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 15 separate hail days; the biggest stones in that time were 2.00 in on May 17, 2026.

Over the 20 years 2006–2025, Ottawa County logged 203 reports on 84 hail days, about 10.2 reports a year. That is 18% more than the median Kansas county (8.6 a year) and ranks #47 of 106 Kansas counties for all-time reports. Ottawa County holds 1% of all 40,345 hail reports in Kansas.

8% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Kansas county. The largest hail on record here is 4.00 in (grapefruit) on May 1, 2018 near 0.54 E Ada.

Reports were down 51% in 2016–2025 (67) compared with 2006–2015 (136). The busiest year was 2011, with 29 reports on 7 days. Hail here peaks in May (27% of reports); 69% fall between April and June.

Reports a year 2006–2025 average

  • Ottawa County 10.2
  • Median Kansas county 8.6

Hail days 2006–2025

  • Ottawa County 84
  • Median Kansas county 80

Share 2 in or larger of sized reports

  • Ottawa County 8%
  • Median Kansas county 8%

Hail over time

0102030 1956: 1 reports, largest 1.75 in 1959: 2 reports, largest 2.00 in 1960 1961: 1 reports, largest 2.75 in 1962: 5 reports, largest 2.50 in 1964: 3 reports, largest 1.75 in 1966: 1 reports, largest 2.00 in 1967: 1 reports, largest 1.00 in 1969: 1 reports, largest 0.75 in 1970: 1 reports, largest 1.00 in 1970 1971: 3 reports, largest 1.75 in 1973: 1 reports, largest 1.00 in 1974: 2 reports, largest 1.75 in 1976: 2 reports, largest 2.75 in 1977: 3 reports, largest 1.75 in 1980: 1 reports, largest 0.75 in 1980 1984: 3 reports, largest 1.75 in 1985: 5 reports, largest 2.75 in 1986: 5 reports, largest 1.75 in 1987: 2 reports, largest 1.75 in 1988: 1 reports, largest 1.00 in 1989: 2 reports, largest 1.75 in 1990: 1 reports, largest 0.75 in 1990 1991: 8 reports, largest 3.00 in 1992: 10 reports, largest 1.75 in 1993: 2 reports, largest 1.00 in 1994: 4 reports, largest 0.75 in 1995: 12 reports, largest 2.00 in 1996: 4 reports, largest 1.75 in 1997: 8 reports, largest 1.75 in 1998: 10 reports, largest 2.00 in 1999: 5 reports, largest 1.00 in 2000: 4 reports, largest 0.88 in 2000 2001: 8 reports, largest 1.00 in 2002: 29 reports, largest 1.75 in 2003: 7 reports, largest 1.25 in 2004: 14 reports, largest 2.50 in 2005: 1 reports, largest 1.00 in 2006: 26 reports, largest 2.50 in 2007: 3 reports, largest 1.75 in 2008: 5 reports, largest 1.25 in 2009: 19 reports, largest 1.75 in 2010: 2 reports, largest 1.75 in 2010 2011: 29 reports, largest 2.00 in 2012: 14 reports, largest 1.75 in 2013: 16 reports, largest 3.50 in 2014: 8 reports, largest 2.50 in 2015: 14 reports, largest 2.50 in 2016: 15 reports, largest 2.75 in 2017: 8 reports, largest 1.75 in 2018: 5 reports, largest 4.00 in 2019: 4 reports, largest 1.00 in 2020: 3 reports, largest 1.75 in 2020 2021: 2 reports, largest 1.00 in 2022: 8 reports, largest 1.50 in 2023: 3 reports, largest 1.75 in 2024: 15 reports, largest 1.50 in 2025: 4 reports, largest 1.50 in 2026: 7 reports, largest 2.00 in
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
050100150 Jan February: 8 reports (2%) Feb March: 16 reports (4%) Mar April: 62 reports (16%) Apr May: 105 reports (27%) May June: 98 reports (26%) Jun July: 40 reports (10%) Jul August: 23 reports (6%) Aug September: 26 reports (7%) Sep October: 5 reports (1%) Oct Nov Dec
All 383 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 7 7
2025 22 4
2024 69 15
2023 12 3
2022 323 8
2021 2 2
2020 3 3
2019 121 4
2018 5 5
2017 422 8

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 18, 2026 1 1.00 in —
May 17, 2026 4 2.00 in —
May 14, 2026 2 1.25 in —
Apr 22, 2025 1 1.50 in —
Apr 1, 2025 1 1.00 in —
Mar 27, 2025 2 1.50 in —
Jun 15, 2024 1 1.00 in —
Jun 13, 2024 8 1.50 in —
May 25, 2024 1 0.88 in —
May 19, 2024 5 1.50 in —
Jul 22, 2023 2 1.75 in —
Jun 5, 2023 1 1.00 in —
Sep 17, 2022 3 1.50 in —
May 15, 2022 2 1.25 in —
Apr 12, 2022 3 1.25 in —

Largest hail on record

Largest hail reports in Ottawa County
Date Size Location Time · source
May 1, 2018 4.00 ingrapefruit 0.54 E Ada 19:30 local · NCEI
May 28, 2013 3.50 inteacup Lindsey 16:30 local · NCEI
Mar 26, 1991 3.00 inteacup — 22:30 local · NCEI
May 9, 2016 2.75 inbaseball 3.83 ESE Ada 16:30 local · NCEI
Apr 24, 2016 2.75 inbaseball 1.28 ESE Minneapolis 18:25 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 Ottawa County
Date Size Location Time · source
May 18, 2026 1.00 inquarter 5.11 ENE Bennington 15:32 local · NCEI
May 17, 2026 1.00 inquarter 3.39 NE Minneapolis 20:35 local · NCEI
May 17, 2026 2.00 inhen egg 0.69 S Tescott 20:30 local · NCEI
May 17, 2026 1.75 ingolf ball 0.69 S Tescott 20:29 local · NCEI
May 17, 2026 1.75 ingolf ball 3.39 NE Ada 18:55 local · NCEI
May 14, 2026 1.25 inhalf dollar 0.88 NW Culver 18:39 local · NCEI
May 14, 2026 1.00 inquarter 0.54 W Culver 18:38 local · NCEI
Apr 22, 2025 1.50 inping pong ball 2.76 S Lindsey 20:01 local · NCEI
Apr 1, 2025 1.00 inquarter 0.54 E Bennington 19:54 local · NCEI
Mar 27, 2025 1.50 inping pong ball 10.9 E Lamar 17:40 local · NCEI
Mar 27, 2025 1.50 inping pong ball 1.75 ENE Lamar 17:25 local · NCEI
Jun 15, 2024 1.00 inquarter 7.09 NNW Vine Creek 21:52 local · NCEI

Cities and towns in Ottawa County

PlaceReportsLargest
Minneapolis713.50 in
Delphos433.00 in
Tescott392.00 in
Bennington362.75 in
Ada224.00 in
Culver191.75 in
Wells131.25 in
Niles122.75 in

Questions about hail in Ottawa County

How often does it hail in Ottawa County, Kansas?

383 hail reports have been logged in Ottawa County since 1956. Over the 20 years 2006–2025 that averages 10.2 reports a year. That ranks #47 of 106 Kansas counties by number of reports.

When is hail season in Ottawa County?

Most reports come in May, June, April. May alone accounts for 27% of all reports.

What is the largest hail recorded in Ottawa County?

4.00 in (grapefruit size) on May 1, 2018 near 0.54 E Ada. 8% of reports here were 2 inches or larger.

When did it last hail in Ottawa County?

The most recent report in this data is from May 18, 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 Ottawa County had in the last five years?

15 separate days with hail reports since November 3, 2021, adding up to 37 reports. The most recent was May 18, 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.