Hail history for Polk County, Missouri
Every NOAA hail report filed in Polk County since 1965, with preliminary National Weather Service reports to November 3, 2026.
Readout · Polk County
- Last hail
- Aug 6, 2026
- 1.25 in, half dollar size · preliminary
- Hail days, last 5 years
- 20
- since Nov 3, 2021 · 50 reports
- Largest ever
- 4.00 in
- grapefruit · Apr 21, 2022
307 reports on 165 days since 1965 · #14 of 116 Missouri counties
Hail map · Polk 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 Polk County is from August 6, 2026. A local roofer can check and document it at no cost.
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What the record says about Polk County
The latest hail report in Polk County is from August 6, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 20 separate hail days; the biggest stones in that time were 4.00 in on April 21, 2022.
Over the 20 years 2006–2025, Polk County logged 156 reports on 66 hail days, about 7.8 reports a year. That is about twice the median Missouri county (3.5 a year) and ranks #14 of 116 Missouri counties for all-time reports. Polk County holds 1% of all 20,478 hail reports in Missouri.
6% 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 4.00 in (grapefruit) on April 21, 2022 near 0.55 E Fair Play.
Reports were down 36% in 2016–2025 (61) compared with 2006–2015 (95). The busiest year was 2002, with 22 reports on 10 days. Hail here peaks in April (27% of reports); 65% fall between April and June.
Reports a year 2006–2025 average
- Polk County 7.8
- Median Missouri county 3.5
Hail days 2006–2025
- Polk County 66
- Median Missouri county 42
Share 2 in or larger of sized reports
- Polk County 6%
- Median Missouri county 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6 | 1 | 1 | 8 | |||||||||
| 2025 | 1 | 1 | 2 | ||||||||||
| 2024 | 10 | 6 | 1 | 17 | |||||||||
| 2023 | 8 | 5 | 4 | 1 | 18 | ||||||||
| 2022 | 3 | 1 | 4 | ||||||||||
| 2021 | 1 | 1 | 2 | ||||||||||
| 2020 | 3 | 3 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 5 | 1 | 6 | ||||||||||
| 2017 | 4 | 5 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 6, 2026 | 1 | 1.25 in | View |
| Jun 25, 2026 | 1 | 1.00 in | — |
| Apr 28, 2026 | 1 | 1.00 in | — |
| Apr 26, 2026 | 5 | 2.75 in | — |
| Sep 17, 2025 | 1 | 1.00 in | — |
| Aug 10, 2025 | 1 | 1.00 in | — |
| Jun 8, 2024 | 1 | 1.00 in | — |
| May 26, 2024 | 2 | 1.00 in | — |
| May 24, 2024 | 3 | 1.75 in | — |
| May 4, 2024 | 1 | 1.00 in | — |
| Apr 1, 2024 | 10 | 3.50 in | — |
| Sep 23, 2023 | 1 | 1.00 in | — |
| Jul 17, 2023 | 4 | 2.00 in | — |
| May 15, 2023 | 1 | 0.88 in | — |
| May 9, 2023 | 4 | 2.00 in | — |
| Apr 15, 2023 | 7 | 2.75 in | — |
| Apr 5, 2023 | 1 | 1.25 in | — |
| Oct 12, 2022 | 1 | 0.88 in | — |
| Apr 21, 2022 | 3 | 4.00 in | — |
| Dec 10, 2021 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Apr 21, 2022 | 4.00 ingrapefruit | 0.55 E Fair Play | $250K | 15:46 local · NCEI |
| Apr 1, 2024 | 3.50 inteacup | Rondo | $12K | 18:15 local · NCEI |
| May 25, 2011 | 3.00 inteacup | 0.69 S Morrisville | $50K | 11:28 local · NCEI |
| Apr 26, 2026 | 2.75 inbaseball | 1.29 ENE Flemington | $250K | 18:10 local · NCEI |
| Apr 15, 2023 | 2.75 inbaseball | 0.88 SE Bolivar | $3.0 million | 13:45 local · NCEI |
Size of every report
- Under 1 in 134 44%
- 1–2 in 154 50%
- 2 in + 19 6%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 6, 2026 | 1.25 inhalf dollar | 1 S Pleasant Hope | — | 19:46 UTC · NWS prelim. |
| Jun 25, 2026 | 1.00 inquarter | 0.69 S Pleasant Hope | — | 15:06 local · NCEI |
| Apr 28, 2026 | 1.00 inquarter | 1.1 E Tin Town | — | 11:09 local · NCEI |
| Apr 26, 2026 | 1.75 ingolf ball | Morrisville | $100K | 19:17 local · NCEI |
| Apr 26, 2026 | 2.00 inhen egg | 0.65 N Adonis | $200K | 18:35 local · NCEI |
| Apr 26, 2026 | 2.75 inbaseball | 1.29 ENE Flemington | $250K | 18:10 local · NCEI |
| Apr 26, 2026 | 1.00 inquarter | 0.88 SW Flemington | — | 18:03 local · NCEI |
| Apr 26, 2026 | 1.50 inping pong ball | 0.69 S Humansville | — | 18:01 local · NCEI |
| Sep 17, 2025 | 1.00 inquarter | 1.38 S Aldrich | — | 16:48 local · NCEI |
| Aug 10, 2025 | 1.00 inquarter | 0.55 E Tin Town | — | 18:37 local · NCEI |
| Jun 8, 2024 | 1.00 inquarter | 1.78 ESE Dewey | — | 17:56 local · NCEI |
| May 26, 2024 | 1.00 inquarter | 1.29 WSW Rimby | — | 15:49 local · NCEI |
Cities and towns in Polk County
| Place | Reports | Largest |
|---|---|---|
| Bolivar | 58 | 2.75 in |
| Pleasant Hope | 49 | 2.50 in |
| Humansville | 25 | 1.75 in |
| Morrisville | 23 | 3.00 in |
| Flemington | 20 | 3.50 in |
| Halfway | 20 | 2.00 in |
| Fair Play | 15 | 4.00 in |
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 |
|---|---|---|---|
| Aldrich | 6 | 6 | Sep 17, 2025 |
Questions about hail in Polk County
How often does it hail in Polk County, Missouri?
307 hail reports have been logged in Polk County since 1965. Over the 20 years 2006–2025 that averages 7.8 reports a year. That ranks #14 of 116 Missouri counties by number of reports.
When is hail season in Polk County?
Most reports come in April, May, June. April alone accounts for 27% of all reports.
What is the largest hail recorded in Polk County?
4.00 in (grapefruit size) on April 21, 2022 near 0.55 E Fair Play. 6% of reports here were 2 inches or larger.
When did it last hail in Polk County?
The most recent report in this data is from August 6, 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 Polk County had in the last five years?
20 separate days with hail reports since November 3, 2021, adding up to 50 reports. The most recent was August 6, 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.