Hail history for Merriam, Kansas
NOAA hail reports in and within about 5 km (3 miles) of Merriam since 1959, with preliminary reports to November 3, 2026.
Readout · Merriam
- Last hail
- May 19, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · Jul 2, 2008
47 reports on 33 days since 1959 · #122 of 612 Kansas places
Hail map · Merriam
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Merriam is from May 19, 2025. A local roofer can check and document it at no cost.
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What the record says about Merriam
The latest hail report in and around Merriam is from May 19, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on May 8, 2024.
Over the 20 years 2006–2025, Merriam logged 19 reports on 11 hail days, about 0.9 reports a year. That is 46% more than the median Kansas town on this site (0.7 a year) and ranks #122 of 612 Kansas cities and towns on this site for all-time reports. Merriam accounts for 7% of the 665 reports filed in Johnson County.
6% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Kansas town on this site. The largest hail on record here is 2.75 in (baseball) on July 2, 2008 near 0.54 W Merriam.
Reports were down 64% in 2016–2025 (5) compared with 2006–2015 (14). The busiest year was 2008, with 9 reports on 2 days. Hail here peaks in May (28% of reports); 55% fall between April and June.
Reports a year 2006–2025 average
- Merriam 0.9
- Johnson County 17.8
- Median Kansas town on this site 0.7
Hail days 2006–2025
- Merriam 11
- Johnson County 94
- Median Kansas town on this site 10
Share 2 in or larger of sized reports
- Merriam 6%
- Johnson County 6%
- Median Kansas town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 2 | 2 | |||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 19, 2025 | 2 | 1.00 in | — |
| May 8, 2024 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 2, 2008 | 2.75 inbaseball | 0.54 W Merriam | Johnson | 18:47 local · NCEI |
| Jul 2, 2008 | 2.75 inbaseball | 0.87 SE Merriam | Johnson | 18:17 local · NCEI |
| Aug 22, 2001 | 2.00 inhen egg | Merriam | Johnson | 18:58 local · NCEI |
| May 8, 2024 | 1.75 ingolf ball | 0.85 SE Merriam | Johnson | 06:08 local · NCEI |
| Jun 3, 2008 | 1.75 ingolf ball | 0.87 SE Shawnee | Johnson | 17:40 local · NCEI |
Size of every report
- Under 1 in 15 32%
- 1–2 in 29 62%
- 2 in + 3 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 19, 2025 | 1.00 inquarter | 0.54 E Shawnee | Johnson | 15:03 local · NCEI |
| May 19, 2025 | 1.00 inquarter | 0.54 E Roeland Park | Johnson | 14:58 local · NCEI |
| May 8, 2024 | 1.75 ingolf ball | 0.85 SE Merriam | Johnson | 06:08 local · NCEI |
| Jun 1, 2019 | 1.00 inquarter | 0.54 E Shawnee | Johnson | 14:47 local · NCEI |
| Mar 6, 2017 | 1.50 inping pong ball | 0.87 SE Merriam | Johnson | 19:49 local · NCEI |
| Mar 11, 2014 | 0.75 inpenny | 1.14 WSW Countryside | Johnson | 19:05 local · NCEI |
| Jul 2, 2008 | 2.75 inbaseball | 0.54 W Merriam | Johnson | 18:47 local · NCEI |
| Jul 2, 2008 | 2.75 inbaseball | 0.87 SE Merriam | Johnson | 18:17 local · NCEI |
| Jul 2, 2008 | 1.25 inhalf dollar | 0.87 SE Merriam | Johnson | 18:06 local · NCEI |
| Jun 3, 2008 | 0.88 innickel | 0.87 SE Shawnee | Johnson | 18:45 local · NCEI |
| Jun 3, 2008 | 0.75 inpenny | 0.54 W Merriam | Johnson | 18:00 local · NCEI |
| Jun 3, 2008 | 1.00 inquarter | 0.87 SE Shawnee | Johnson | 18:00 local · NCEI |
Hail history near Merriam
- Prairie Village 6 km · 41
- Shawnee 10 km · 65
- Lenexa 11 km · 48
- Kansas City 12 km · 170
- Edwardsville 13 km · 10
- Overland Park 14 km · 126
- Bonner Springs 17 km · 46
- Olathe 19 km · 132
Questions about hail in Merriam
How often does it hail in Merriam, Kansas?
47 hail reports have been logged in and within about 5 km (3 miles) of Merriam since 1959. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #122 of 612 Kansas places by number of reports.
When is hail season in Merriam?
Most reports come in May, June, March. May alone accounts for 28% of all reports.
What is the largest hail recorded in Merriam?
2.75 in (baseball size) on July 2, 2008 near 0.54 W Merriam. 6% of reports here were 2 inches or larger.
When did it last hail in Merriam?
The most recent report in this data is from May 19, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Merriam 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 May 19, 2025.
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.