Hail history for Polk County, Wisconsin
Every NOAA hail report filed in Polk County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Polk County
- Last hail
- Jun 19, 2026
- 0.75 in, penny size
- Hail days, last 5 years
- 11
- since Nov 3, 2021 · 18 reports
- Largest ever
- 2.75 in
- baseball · Jul 30, 2024
112 reports on 77 days since 1956 · #41 of 73 Wisconsin 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 June 19, 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 June 19, 2026, 0.75 in (penny size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 2.75 in on July 30, 2024.
Over the 20 years 2006–2025, Polk County logged 65 reports on 39 hail days, about 3.3 reports a year. That is about the same as the median Wisconsin county (3.5 a year) and ranks #41 of 73 Wisconsin counties for all-time reports. Polk County holds 1% of all 9,358 hail reports in Wisconsin.
10% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wisconsin county. The largest hail on record here is 2.75 in (baseball) on July 30, 2024 near 2.43 W Clear Lake.
Reports were down 38% in 2016–2025 (25) compared with 2006–2015 (40). The busiest year was 2024, with 7 reports on 3 days. Hail here peaks in May (26% of reports); 54% fall between April and June.
Reports a year 2006–2025 average
- Polk County 3.3
- Median Wisconsin county 3.5
Hail days 2006–2025
- Polk County 39
- Median Wisconsin county 37
Share 2 in or larger of sized reports
- Polk County 10%
- Median Wisconsin county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 3 | 4 | ||||||||||
| 2025 | 1 | 1 | 2 | ||||||||||
| 2024 | 1 | 3 | 3 | 7 | |||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 2 | 1 | 3 | ||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 3 | 1 | 4 | ||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 3 | 4 | ||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 19, 2026 | 2 | 1.00 in | — |
| Jun 10, 2026 | 1 | 0.88 in | — |
| Apr 17, 2026 | 1 | 0.75 in | — |
| Jun 19, 2025 | 1 | 0.75 in | — |
| Apr 17, 2025 | 1 | 1.00 in | — |
| Sep 19, 2024 | 3 | 1.25 in | — |
| Jul 30, 2024 | 3 | 2.75 in | — |
| May 21, 2024 | 1 | 0.75 in | — |
| Jul 27, 2023 | 2 | 1.00 in | — |
| Jun 27, 2022 | 1 | 0.88 in | — |
| May 9, 2022 | 2 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 30, 2024 | 2.75 inbaseball | 2.43 W Clear Lake | — | 10:12 local · NCEI |
| May 16, 2017 | 2.75 inbaseball | 0.26 WNW Clayton | $500K | 15:20 local · NCEI |
| Jul 26, 2014 | 2.75 inbaseball | 1.22 ESE Mckinley | — | 19:43 local · NCEI |
| Aug 8, 2000 | 2.75 inbaseball | Frederic | — | 17:36 local · NCEI |
| Aug 3, 1981 | 2.75 inbaseball | — | — | 13:58 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 47 42%
- 1–2 in 53 48%
- 2 in + 11 10%
- No size 1
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 19, 2026 | 0.75 inpenny | 0.84 SW Amery | 17:10 local · NCEI |
| Jun 19, 2026 | 1.00 inquarter | Cushing | 16:25 local · NCEI |
| Jun 10, 2026 | 0.88 innickel | 0.84 NE St Croix Falls | 17:14 local · NCEI |
| Apr 17, 2026 | 0.75 inpenny | 1.46 E St Croix Falls | 13:48 local · NCEI |
| Jun 19, 2025 | 0.75 inpenny | 0.69 S Osceola Muni Arpt | 18:08 local · NCEI |
| Apr 17, 2025 | 1.00 inquarter | 1.46 E Nye | 11:49 local · NCEI |
| Sep 19, 2024 | 1.00 inquarter | 1.19 NW Balsam Lake | 17:29 local · NCEI |
| Sep 19, 2024 | 0.88 innickel | 1.19 SE Centuria | 17:24 local · NCEI |
| Sep 19, 2024 | 1.25 inhalf dollar | 2.01 SE Osceola Muni Arpt | 17:00 local · NCEI |
| Jul 30, 2024 | 1.00 inquarter | 3.95 E Clear Lake | 10:35 local · NCEI |
| Jul 30, 2024 | 2.75 inbaseball | 2.43 W Clear Lake | 10:12 local · NCEI |
| Jul 30, 2024 | 1.50 inping pong ball | 0.69 S Little Falls | 09:45 local · NCEI |
Cities and towns in Polk County
| Place | Reports | Largest |
|---|---|---|
| Clayton | 12 | 3.00 in |
| St. Croix Falls | 11 | 2.75 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 |
|---|---|---|---|
| Frederic | 9 | 9 | May 9, 2022 |
| Osceola | 9 | 9 | Jun 19, 2025 |
| Amery | 7 | 7 | Jun 19, 2026 |
| Luck | 7 | 7 | Aug 31, 2018 |
| Balsam Lake | 6 | 6 | Sep 19, 2024 |
| Lewis | 5 | 3 | Aug 6, 2013 |
| Milltown | 5 | 4 | Jul 13, 2015 |
| Centuria | 4 | 4 | Sep 19, 2024 |
| Clear Lake | 4 | 3 | Jul 30, 2024 |
| Dresser | 3 | 3 | Sep 1, 2020 |
Questions about hail in Polk County
How often does it hail in Polk County, Wisconsin?
112 hail reports have been logged in Polk County since 1956. Over the 20 years 2006–2025 that averages 3.3 reports a year. That ranks #41 of 73 Wisconsin counties by number of reports.
When is hail season in Polk County?
Most reports come in May, July, June. May alone accounts for 26% of all reports.
What is the largest hail recorded in Polk County?
2.75 in (baseball size) on July 30, 2024 near 2.43 W Clear Lake. 10% 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 June 19, 2026 (0.75 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?
11 separate days with hail reports since November 3, 2021, adding up to 18 reports. The most recent was June 19, 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.