Hail History

Hail history for Knob Noster, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Knob Noster since 1973, with preliminary reports to November 3, 2026.

Readout · Knob Noster

Last hail
Apr 5, 2023
1.50 in, ping pong ball size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
3.00 in
teacup · Aug 17, 2004

17 reports on 14 days since 1973 · #281 of 491 Missouri places

Hail map · Knob Noster

Knob Noster Whiteman AFB La Monte Warrensburg Leeton 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
17 most recent reports with a location; Johnson County is shaded. Open street map

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What the record says about Knob Noster

The latest hail report in and around Knob Noster is from April 5, 2023, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on March 31, 2023.

Over the 20 years 2006–2025, Knob Noster logged 11 reports on 10 hail days, about 0.6 reports a year. That is 10% more than the median Missouri town on this site (0.5 a year) and ranks #281 of 491 Missouri cities and towns on this site for all-time reports. Knob Noster accounts for 6% of the 292 reports filed in Johnson County.

6% 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 3.00 in (teacup) on August 17, 2004 near 6 E Warrensburg.

Reports were up 167% in 2016–2025 (8) compared with 2006–2015 (3). The busiest year was 2023, with 3 reports on 2 days. Hail here peaks in March (35% of reports); 24% fall between April and June.

Reports a year 2006–2025 average

  • Knob Noster 0.6
  • Johnson County 7.8
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Knob Noster 10
  • Johnson County 60
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Knob Noster 6%
  • Johnson County 6%
  • Median Missouri town on this site 5%

Hail over time

0123 1973: 1 reports, largest 1.75 in 1980 1990 1996: 1 reports, largest 1.75 in 1999: 1 reports, largest 1.75 in 2000 2004: 3 reports, largest 3.00 in 2009: 1 reports, largest 1.00 in 2010 2014: 1 reports, largest 1.75 in 2015: 1 reports, largest 0.75 in 2017: 1 reports, largest 1.00 in 2019: 1 reports, largest 1.25 in 2020: 2 reports, largest 1.00 in 2020 2021: 1 reports, largest 1.00 in 2023: 3 reports, largest 1.75 in
Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 January: 1 reports (6%) Jan Feb March: 6 reports (35%) Mar April: 2 reports (12%) Apr May: 1 reports (6%) May June: 1 reports (6%) Jun Jul August: 5 reports (29%) Aug Sep October: 1 reports (6%) Oct Nov Dec
All 17 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 12 3
2022 0
2021 1 1
2020 11 2
2019 1 1
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 5, 2023 2 1.50 in —
Mar 31, 2023 1 1.75 in —

Largest hail on record

Largest hail reports in Knob Noster
Date Size Location County Damage Time · source
Aug 17, 2004 3.00 inteacup 6 E Warrensburg Johnson $5K 19:00 local · NCEI
Mar 31, 2023 1.75 ingolf ball 1.29 ESE Knob Noster Johnson — 12:42 local · NCEI
Oct 1, 2014 1.75 ingolf ball 0.54 E Knob Noster Johnson — 13:15 local · NCEI
Jan 21, 1999 1.75 ingolf ball Knob Noster Johnson — 11:24 local · NCEI
May 24, 1996 1.75 ingolf ball Montserrat Johnson — 11:43 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Knob Noster
Date Size Location County Time · source
Apr 5, 2023 1.50 inping pong ball 1.63 E Knob Noster Johnson 00:56 local · NCEI
Apr 5, 2023 1.00 inquarter 0.71 E Knob Noster Johnson 00:55 local · NCEI
Mar 31, 2023 1.75 ingolf ball 1.29 ESE Knob Noster Johnson 12:42 local · NCEI
Mar 15, 2021 1.00 inquarter Knob Noster Johnson 17:15 local · NCEI
Jun 3, 2020 1.00 inquarter 1.62 E Knob Noster Johnson 17:57 local · NCEI
Mar 27, 2020 1.00 inquarter 0.54 E Knob Noster Johnson 01:36 local · NCEI
Aug 15, 2019 1.25 inhalf dollar 0.54 E Knob Noster Johnson 22:34 local · NCEI
Aug 18, 2017 1.00 inquarter 0.54 E Knob Noster Johnson 21:00 local · NCEI
Mar 24, 2015 0.75 inpenny 0.54 E Knob Noster Johnson 17:08 local · NCEI
Oct 1, 2014 1.75 ingolf ball 0.54 E Knob Noster Johnson 13:15 local · NCEI
Mar 8, 2009 1.00 inquarter Knob Noster Johnson 06:27 local · NCEI
Aug 17, 2004 1.25 inhalf dollar 6 E Warrensburg Johnson 19:01 local · NCEI

Hail history near Knob Noster

Questions about hail in Knob Noster

How often does it hail in Knob Noster, Missouri?

17 hail reports have been logged in and within about 5 km (3 miles) of Knob Noster since 1973. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #281 of 491 Missouri places by number of reports.

When is hail season in Knob Noster?

Most reports come in March, August, April. March alone accounts for 35% of all reports.

What is the largest hail recorded in Knob Noster?

3.00 in (teacup size) on August 17, 2004 near 6 E Warrensburg. 6% of reports here were 2 inches or larger.

When did it last hail in Knob Noster?

The most recent report in this data is from April 5, 2023 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was April 5, 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.