Hail history for Grundy County, Missouri
Every NOAA hail report filed in Grundy County since 1961, with preliminary National Weather Service reports to November 3, 2026.
Readout · Grundy County
- Last hail
- May 16, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 7
- since Nov 3, 2021 · 38 reports
- Largest ever
- 4.25 in
- grapefruit · May 10, 2014
186 reports on 90 days since 1961 · #38 of 116 Missouri counties
Hail map · Grundy 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 Grundy County is from May 16, 2026. A local roofer can check and document it at no cost.
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What the record says about Grundy County
The latest hail report in Grundy County is from May 16, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 4.00 in on May 6, 2023.
Over the 20 years 2006–2025, Grundy County logged 100 reports on 48 hail days, about 5.0 reports a year. That is 41% more than the median Missouri county (3.5 a year) and ranks #38 of 116 Missouri counties for all-time reports. Grundy County holds 1% of all 20,478 hail reports in Missouri.
17% 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 4.25 in (grapefruit) on May 10, 2014 near 2.11 W Trenton.
Reports were down 59% in 2016–2025 (29) compared with 2006–2015 (71). The busiest year was 2026, with 24 reports on 1 day. Hail here peaks in May (44% of reports); 76% fall between April and June.
Reports a year 2006–2025 average
- Grundy County 5.0
- Median Missouri county 3.5
Hail days 2006–2025
- Grundy County 48
- Median Missouri county 42
Share 2 in or larger of sized reports
- Grundy County 17%
- Median Missouri county 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 24 | 24 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 1 | 3 | ||||||||||
| 2023 | 2 | 5 | 3 | 10 | |||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 2 | 2 | 1 | 2 | 7 | ||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 2 | 2 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 16, 2026 | 24 | 3.00 in | — |
| May 24, 2024 | 1 | 1.00 in | — |
| Apr 27, 2024 | 2 | 1.00 in | — |
| Aug 11, 2023 | 3 | 1.00 in | — |
| May 6, 2023 | 5 | 4.00 in | — |
| Mar 31, 2023 | 2 | 1.75 in | — |
| Mar 5, 2022 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 10, 2014 | 4.25 ingrapefruit | 2.11 W Trenton | — | 16:10 local · NCEI |
| May 6, 2023 | 4.00 ingrapefruit | 2.96 SSW Edinburg | — | 18:42 local · NCEI |
| May 27, 2004 | 4.00 ingrapefruit | Trenton | $300K | 14:12 local · NCEI |
| May 16, 2026 | 3.00 inteacup | 3.19 SSE Dunlap | — | 16:31 local · NCEI |
| May 16, 2026 | 3.00 inteacup | 2.11 E Trenton Arpt | — | 16:13 local · NCEI |
Size of every report
- Under 1 in 56 30%
- 1–2 in 98 53%
- 2 in + 32 17%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 16, 2026 | 1.25 inhalf dollar | 0.69 S Trenton Arpt | 21:42 local · NCEI |
| May 16, 2026 | 1.25 inhalf dollar | 1.73 WNW Trenton | 21:34 local · NCEI |
| May 16, 2026 | 1.00 inquarter | 2.33 NNW Edinburg | 18:52 local · NCEI |
| May 16, 2026 | 2.50 intennis ball | Laredo | 17:41 local · NCEI |
| May 16, 2026 | 1.75 ingolf ball | 5.51 WSW Laredo | 17:30 local · NCEI |
| May 16, 2026 | 1.75 ingolf ball | 2.81 N Laredo | 17:29 local · NCEI |
| May 16, 2026 | 2.75 inbaseball | 4.62 NE Hickory Creek | 17:15 local · NCEI |
| May 16, 2026 | 1.00 inquarter | 0.87 SW Brimson | 16:48 local · NCEI |
| May 16, 2026 | 2.50 intennis ball | 2.22 ESE Dunlap | 16:37 local · NCEI |
| May 16, 2026 | 1.00 inquarter | 0.87 SE Spickard | 16:37 local · NCEI |
| May 16, 2026 | 3.00 inteacup | 3.19 SSE Dunlap | 16:31 local · NCEI |
| May 16, 2026 | 2.50 intennis ball | 2.96 SSW Dunlap | 16:29 local · NCEI |
Cities and towns in Grundy 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 |
|---|---|---|---|
| Edinburg | 9 | 7 | May 6, 2023 |
| Leisure Lake | 9 | 9 | May 16, 2026 |
| Galt | 8 | 7 | May 16, 2026 |
| Brimson | 5 | 5 | May 16, 2026 |
| Tindall | 3 | 3 | Jun 28, 2017 |
Questions about hail in Grundy County
How often does it hail in Grundy County, Missouri?
186 hail reports have been logged in Grundy County since 1961. Over the 20 years 2006–2025 that averages 5.0 reports a year. That ranks #38 of 116 Missouri counties by number of reports.
When is hail season in Grundy County?
Most reports come in May, June, April. May alone accounts for 44% of all reports.
What is the largest hail recorded in Grundy County?
4.25 in (grapefruit size) on May 10, 2014 near 2.11 W Trenton. 17% of reports here were 2 inches or larger.
When did it last hail in Grundy County?
The most recent report in this data is from May 16, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Grundy County had in the last five years?
7 separate days with hail reports since November 3, 2021, adding up to 38 reports. The most recent was May 16, 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.