Hail history for Mercer County, Missouri
Every NOAA hail report filed in Mercer County since 1962, with preliminary National Weather Service reports to November 3, 2026.
Readout · Mercer County
- Last hail
- May 26, 2024
- 2.00 in, hen egg size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 3.00 in
- teacup · May 5, 1971
89 reports on 61 days since 1962 · #99 of 116 Missouri counties
Hail map · Mercer County
- 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 Mercer County is from May 26, 2024. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Mercer County
The latest hail report in Mercer County is from May 26, 2024, 2.00 in (hen egg size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.00 in on May 26, 2024.
Over the 20 years 2006–2025, Mercer County logged 37 reports on 25 hail days, about 1.9 reports a year. That is about half the median Missouri county (3.5 a year) and ranks #99 of 116 Missouri counties for all-time reports. Mercer County holds 0% of all 20,478 hail reports in Missouri.
7% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Missouri county. The largest hail on record here is 3.00 in (teacup) on May 5, 1971.
Reports were down 46% in 2016–2025 (13) compared with 2006–2015 (24). The busiest year was 2006, with 9 reports on 4 days. Hail here peaks in June (27% of reports); 75% fall between April and June.
Reports a year 2006–2025 average
- Mercer County 1.9
- Median Missouri county 3.5
Hail days 2006–2025
- Mercer County 25
- Median Missouri county 42
Share 2 in or larger of sized reports
- Mercer County 7%
- Median Missouri county 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 4 | 1 | 5 | ||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 26, 2024 | 2 | 2.00 in | — |
| Mar 31, 2023 | 2 | 1.75 in | — |
| May 17, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 5, 1971 | 3.00 inteacup | — | — | 17:10 local · NCEI |
| May 19, 2018 | 2.75 inbaseball | 2.14 NNW Modena | — | 23:12 local · NCEI |
| Aug 3, 1962 | 2.75 inbaseball | — | — | 15:24 local · NCEI |
| May 24, 2004 | 2.50 intennis ball | 5 S Princeton | $25K | 17:54 local · NCEI |
| May 26, 2024 | 2.00 inhen egg | 0.51 NE Ravanna | — | 20:11 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
- Under 1 in 38 43%
- 1–2 in 45 51%
- 2 in + 6 7%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 26, 2024 | 2.00 inhen egg | 0.51 NE Ravanna | 20:11 local · NCEI |
| May 26, 2024 | 1.00 inquarter | 0.73 S Mercer | 20:00 local · NCEI |
| Mar 31, 2023 | 1.75 ingolf ball | 3.6 SE Modena | 13:06 local · NCEI |
| Mar 31, 2023 | 1.50 inping pong ball | 0.5 W Princeton | 13:00 local · NCEI |
| May 17, 2022 | 1.00 inquarter | 0.69 S Mercer | 16:14 local · NCEI |
| Jun 20, 2021 | 1.00 inquarter | Princeton | 18:17 local · NCEI |
| Jun 20, 2021 | 1.75 ingolf ball | 0.69 S Mercer | 17:58 local · NCEI |
| Aug 6, 2018 | 1.75 ingolf ball | 2.21 WNW Ravena | 19:10 local · NCEI |
| May 28, 2018 | 0.88 innickel | Princeton | 15:43 local · NCEI |
| May 19, 2018 | 1.00 inquarter | 2.96 SSE Mill Grove | 23:15 local · NCEI |
| May 19, 2018 | 2.00 inhen egg | 2.11 E Mill Grove | 23:15 local · NCEI |
| May 19, 2018 | 2.75 inbaseball | 2.14 NNW Modena | 23:12 local · NCEI |
Cities and towns in Mercer County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Ravanna | 6 | 5 | May 26, 2024 |
Questions about hail in Mercer County
How often does it hail in Mercer County, Missouri?
89 hail reports have been logged in Mercer County since 1962. Over the 20 years 2006–2025 that averages 1.9 reports a year. That ranks #99 of 116 Missouri counties by number of reports.
When is hail season in Mercer County?
Most reports come in June, May, April. June alone accounts for 27% of all reports.
What is the largest hail recorded in Mercer County?
3.00 in (teacup size) on May 5, 1971. 7% of reports here were 2 inches or larger.
When did it last hail in Mercer County?
The most recent report in this data is from May 26, 2024 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mercer County had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was May 26, 2024.
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.