Blue Earth County, Minnesota: hail history 2014–2026
By density Blue Earth County lands #19 of 62 in Minnesota: 88.8 reports per 1,000 square miles from 68 reports. Of 16 days at 1 inch or more, 9 topped 1.75. Record: 3.5 inches (a teacup), April 13, 2026 near Lake Crystal.
- 68reports
- 16days, 1 in+
- 9days, 1.75 in+
- 3.5 inlargest stone
Hail since my roof went on: Blue Earth County
Year by year
| Year | Reports | Days 1 in+ | Days 1.75 in+ | Largest |
|---|---|---|---|---|
| 2014 | 12 | 2 | 1 | 1.75 in |
| 2015 | 6 | 1 | 0 | 1 in |
| 2016 | 5 | 3 | 1 | 1.75 in |
| 2017 | 4 | 1 | 0 | 1 in |
| 2019 | 2 | 1 | 1 | 1.75 in |
| 2020 | 4 | 1 | 1 | 2.5 in |
| 2021 | 6 | 1 | 1 | 2 in |
| 2022 | 13 | 2 | 1 | 1.75 in |
| 2023 | 3 | 1 | 1 | 1.75 in |
| 2024 | 1 | 1 | 0 | 1 in |
| 2025 | 4 | 1 | 1 | 2 in |
| 2026 (Jan–Jun) | 8 | 1 | 1 | 3.5 in |
2022 was the busiest year (13 reports) and 2018 the quietest (0). 5 reports a year in 2014 to 2019 against 5 in 2020 to 2025: close to flat. 2026 stands at 8 through June, already past the full-year average of 5. Days with 1-inch stones average 1.2 per full year.
Blue Earth County: reports by month
| Jan | 0 |
|---|---|
| Feb | 0 |
| Mar | 0 |
| Apr | 20 |
| May | 12 |
| Jun | 15 |
| Jul | 6 |
| Aug | 12 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
April is the peak at 29% of reports; June follows with 22%. April to June alone bring 69%. Nothing was reported outside April to September.
Largest stone: 3.5 inches
Reported hail locations, Blue Earth County
- 311 to 1.74 in
- 141.75 to 2.74 in, golf ball to tennis ball
- 42.75 in and up, baseball
Largest plotted stone: 3.5 in. Bigger dots are bigger stones.
49 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.
Sources: NOAA, Census county outlineBlue Earth County’s ten biggest hail days
| Date | Size | Reports | Place |
|---|---|---|---|
| April 13, 2026 | 3.5 in, a teacup | 8 | Lake Crystal |
| June 2, 2020 | 2.5 in, a tennis ball | 4 | Lake Crystal |
| August 22, 2021 | 2 in, a hen egg | 6 | Mankato |
| June 16, 2025 | 2 in, a hen egg | 4 | Mankato |
| April 12, 2022 | 1.75 in, a golf ball | 12 | (Mkt)Mankato Muni Ar |
| May 7, 2014 | 1.75 in, a golf ball | 5 | Lake Crystal |
| July 10, 2023 | 1.75 in, a golf ball | 3 | Eagle Lake |
| September 20, 2016 | 1.75 in, a golf ball | 1 | Mankato |
| August 13, 2019 | 1.75 in, a golf ball | 1 | Madison Lake |
| June 17, 2014 | 1.5 in, a ping-pong ball | 5 | Good Thunder |
“There was a large swath of very large hail, up to 2.5 inches in diameter, that fell from Lake Crystal, southeast toward Garden City, Rapidan, and Good Thunder. There was also vegetation damage that was associated with the hail.”
NWS report, June 2, 2020
“Most of the storms were non-severe and producing frequent lightning and gusty winds. One storm that developed southwest of Mankato developed a strong core and dumped up to 2 inch size hail around the Mankato area Sunday evening.”
NWS report, August 22, 2021
Tornadoes and wind in Blue Earth County
8 tornadoes on record in Blue Earth County; the strongest listed is EF1, 5.68 miles long, near Amboy. Top gust: 100 mph near Minnesota Lake.
| Date | Rating | Path length | Width | Near |
|---|---|---|---|---|
| April 13, 2026 | EF1 | 5.68 mi | 200 yd | Amboy |
| July 9, 2017 | EF1 | 2.68 mi | 100 yd | Judson |
| August 5, 2024 | EF1 | 2.34 mi | 150 yd | St Clair |
| June 14, 2016 | EF0 | 2.13 mi | 20 yd | Eagle Lake |
| May 8, 2014 | EF0 | 1.5 mi | 50 yd | Butternut |
| September 20, 2018 | EF0 | 1.15 mi | 70 yd | Garden City |
| September 20, 2018 | EF0 | 0.84 mi | 70 yd | Rapidan |
| June 14, 2016 | EF0 | 0.22 mi | 25 yd | Vernon Center |
| Date | Gust | Near |
|---|---|---|
| June 16, 2014 | 100 mph | Minnesota Lake |
| June 16, 2014 | 90 mph | Beauford |
| June 16, 2014 | 75 mph | Mapleton |
| June 16, 2014 | 75 mph | Mapleton |
| June 10, 2016 | 75 mph | Rapidan |
| July 9, 2017 | 72 mph | Minnesota Lake |
Homes in Blue Earth County
Median build year in Blue Earth County: 1977. 71.8% of 29,544 homes predate 2000. Houses permitted since 2014: 1,913, or 64.8 per 1,000 homes. Busiest year: 2017.
| pre-1940 | 20.1% |
|---|---|
| 1940s | 4.4% |
| 1950s | 8.3% |
| 1960s | 9.3% |
| 1970s | 11.1% |
| 1980s | 7.8% |
| 1990s | 10.8% |
| 2000s | 14.9% |
| 2010s | 11.8% |
| 2020+ | 1.4% |
| Year | Houses | All units |
|---|---|---|
| 2014 | 145 | 332 |
| 2015 | 147 | 681 |
| 2016 | 177 | 285 |
| 2017 | 258 | 424 |
| 2018 | 204 | 406 |
| 2019 | 135 | 192 |
| 2020 | 187 | 360 |
| 2021 | 174 | 321 |
| 2022 | 94 | 414 |
| 2023 | 125 | 472 |
| 2024 | 81 | 271 |
| 2025 | 186 | 274 |
Quick answers
How many hail reports has Blue Earth County had?
NOAA logged 68 hail reports in Blue Earth County, Minnesota, from 2014 to June 2026.
How many days had hail of 1 inch or larger in Blue Earth County?
16 days, including 9 days with hail of 1.75 inches or larger. The National Weather Service calls hail of 1 inch or larger severe.
What was the largest hail reported in Blue Earth County?
3.5 inches (a teacup), reported on April 13, 2026.
Which month has the most hail in Blue Earth County?
April has the most reports, 29% of the 68 in the record.
Does a hail day in the record mean my roof was damaged?
A counted day only means a spotter reported hail somewhere in the area. An inspection is the only way to know whether a roof was hit.
Next steps for Blue Earth County
Blue Earth County cities we cover
Next to Blue Earth County in the Minnesota ranking
- St. Louis County (239 reports)
- Olmsted County (109 reports)
- Stearns County (86 reports)
Cite this page
Data version: NOAA Storm Events hail data, 2014 to June 2026, loaded October 6, 2026. All dataset versions. Download the table as CSV. Free to quote with credit under CC BY 4.0.
Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.