NOAA Storm Events · June 2021
Hail in June 2021: 1,006 NOAA reports across 42 states
NOAA logged 1,006 hail reports in June 2021, in 434 counties across 42 states. Iowa had the most (88). The largest stone was 4 inches (a grapefruit), near Glendive in Dawson County, Montana, on June 8, 2021. The worst day was June 18, 2021, with 116 reports in 8 states.
- Where
- 434 counties in 42 states; Iowa had 9% of the reports
- Largest stone
- 4 inches, a grapefruit, in Dawson County, MT (near Glendive), on June 8, 2021
- Worst day
- June 18, 2021: 116 reports in 8 states, 12% of the month
- Days with hail
- 30 of 30 days had at least one report
- under 1 in
- 1 to 1.74 in
- 1.75 to 2.74 in
- 2.75 in and up
Day by day
June 18, 2021 was the worst day with 116 reports. A day with hail averaged 34.
| June 1 | 11 |
|---|---|
| June 2 | 13 |
| June 3 | 2 |
| June 4 | 19 |
| June 5 | 8 |
| June 6 | 14 |
| June 7 | 35 |
| June 8 | 74 |
| June 9 | 19 |
| June 10 | 86 |
| June 11 | 43 |
| June 12 | 35 |
| June 13 | 85 |
| June 14 | 51 |
| June 15 | 46 |
| June 16 | 17 |
| June 17 | 72 |
| June 18 | 116 |
| June 19 | 43 |
| June 20 | 27 |
| June 21 | 12 |
| June 22 | 69 |
| June 23 | 15 |
| June 24 | 40 |
| June 25 | 21 |
| June 26 | 9 |
| June 27 | 1 |
| June 28 | 1 |
| June 29 | 7 |
| June 30 | 15 |
Where it hit hardest
Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.
| IA | 88 |
|---|---|
| MT | 77 |
| ND | 75 |
| NE | 70 |
| MN | 64 |
| WI | 64 |
| SD | 57 |
| CO | 54 |
| IN | 46 |
| KS | 42 |
| # | State | Reports | Share | Largest |
|---|---|---|---|---|
| 1 | Iowa | 88 | 8.7% | 4 in |
| 2 | Montana | 77 | 7.7% | 4 in |
| 3 | North Dakota | 75 | 7.5% | 2.75 in |
| 4 | Nebraska | 70 | 7.0% | 2.75 in |
| 5 | Minnesota | 64 | 6.4% | 3 in |
| 6 | Wisconsin | 64 | 6.4% | 2.5 in |
| 7 | South Dakota | 57 | 5.7% | 2.5 in |
| 8 | Colorado | 54 | 5.4% | 4 in |
| 9 | Indiana | 46 | 4.6% | 3.4 in |
| 10 | Kansas | 42 | 4.2% | 2.75 in |
| # | County | Reports | Largest |
|---|---|---|---|
| 1 | Laramie County, WY | 21 | 1.75 in |
| 2 | Allegheny County, PA | 18 | 1.25 in |
| 3 | Warren County, IA | 16 | 1.75 in |
| 4 | Goodhue County, MN | 14 | 3 in |
| 5 | Polk County, IA | 13 | 1.5 in |
| 6 | Arapahoe County, CO | 12 | 1.5 in |
| 7 | Dawson County, MT | 11 | 4 in |
| 8 | Montgomery County, OH | 11 | 1.75 in |
| 9 | Pennington County, SD | 10 | 2 in |
| 10 | Denver County, CO | 9 | 1 in |
County names link to the full hail history where we have published that county. The CSV below lists all 434 counties and all 42 states.
How June 2021 compares
| Compared with | Reports | June 2021 was |
|---|---|---|
| May 2021 | 1,383 | -377 (-27%) |
| June 2020 | 1,387 | -381 (-27%) |
| the average June in the other 12 years | 1,795 | -789 (-44%) |
June 2021 was the 13th busiest June of the 13 in the record and the 49th busiest of all 150 months.
| 2014 | 2612 |
|---|---|
| 2015 | 2409 |
| 2016 | 1338 |
| 2017 | 1818 |
| 2018 | 1822 |
| 2019 | 1924 |
| 2020 | 1387 |
| 2021 | 1006 |
| 2022 | 1508 |
| 2023 | 2841 |
| 2024 | 1264 |
| 2025 | 1384 |
| 2026 | 1228 |
Every June in the record, 2014 to 2026. Months after June 2026 are not in NOAA's file yet.
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Download the data
Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.
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.