Hail history for Oliver County, North Dakota
Every NOAA hail report filed in Oliver County since 1974, with preliminary National Weather Service reports to November 3, 2026.
Readout · Oliver County
- Last hail
- Jun 27, 2025
- 3.50 in, teacup size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 13 reports
- Largest ever
- 3.50 in
- teacup · Jun 27, 2025
109 reports on 65 days since 1974 · #46 of 54 North Dakota counties
Hail map · Oliver County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Oliver County
The latest hail report in Oliver County is from June 27, 2025, 3.50 in (teacup size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 3.50 in on June 27, 2025.
Over the 20 years 2006–2025, Oliver County logged 59 reports on 35 hail days, about 3.0 reports a year. That is 35% less than the median North Dakota county (4.5 a year) and ranks #46 of 54 North Dakota counties for all-time reports. Oliver County holds 1% of all 10,117 hail reports in North Dakota.
10% of reports with a size were 2 inches (hen egg) or larger, against 9% for the median North Dakota county. The largest hail on record here is 3.50 in (teacup) on June 27, 2025 near 2.76 S Hannover.
Reports were up 57% in 2016–2025 (36) compared with 2006–2015 (23). The busiest year was 2025, with 7 reports on 1 day. Hail here peaks in June (38% of reports); 44% fall between April and June.
Reports a year 2006–2025 average
- Oliver County 3.0
- Median North Dakota county 4.5
Hail days 2006–2025
- Oliver County 35
- Median North Dakota county 48.5
Share 2 in or larger of sized reports
- Oliver County 10%
- Median North Dakota county 9%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 7 | 7 | |||||||||||
| 2024 | 1 | 3 | 4 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | 2 | ||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 6 | 6 | |||||||||||
| 2019 | 2 | 4 | 6 | ||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 27, 2025 | 7 | 3.50 in | — |
| Jul 12, 2024 | 2 | 1.75 in | — |
| Jul 1, 2024 | 1 | 1.25 in | — |
| Jun 2, 2024 | 1 | 1.00 in | — |
| Aug 23, 2022 | 1 | 1.00 in | — |
| Jun 24, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 27, 2025 | 3.50 inteacup | 2.76 S Hannover | — | 18:56 local · NCEI |
| Jun 27, 2025 | 3.00 inteacup | 2.33 NW Hannover | — | 18:35 local · NCEI |
| Jun 27, 2025 | 3.00 inteacup | 9.17 WNW Hannover | $100K | 18:27 local · NCEI |
| Sep 4, 2014 | 2.75 inbaseball | Center | $200K | 00:00 local · NCEI |
| Jul 10, 1996 | 2.75 inbaseball | 10 E Center | — | 18:59 local · NCEI |
Size of every report
- Under 1 in 30 28%
- 1–2 in 68 62%
- 2 in + 11 10%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 27, 2025 | 3.50 inteacup | 2.76 S Hannover | — | 18:56 local · NCEI |
| Jun 27, 2025 | 3.00 inteacup | 2.33 NW Hannover | — | 18:35 local · NCEI |
| Jun 27, 2025 | 2.50 intennis ball | 7.09 W Hannover | — | 18:34 local · NCEI |
| Jun 27, 2025 | 2.50 intennis ball | 5.86 WNW Hannover | — | 18:31 local · NCEI |
| Jun 27, 2025 | 3.00 inteacup | 9.17 WNW Hannover | $100K | 18:27 local · NCEI |
| Jun 27, 2025 | 1.75 ingolf ball | 10.34 W Hannover | — | 18:25 local · NCEI |
| Jun 27, 2025 | 1.25 inhalf dollar | 10.88 NW Hannover | — | 18:20 local · NCEI |
| Jul 12, 2024 | 1.75 ingolf ball | 1.17 NW Center | — | 20:50 local · NCEI |
| Jul 12, 2024 | 1.00 inquarter | Center | — | 20:48 local · NCEI |
| Jul 1, 2024 | 1.25 inhalf dollar | Center | — | 15:45 local · NCEI |
| Jun 2, 2024 | 1.00 inquarter | 6.63 NW Hannover | — | 20:40 local · NCEI |
| Aug 23, 2022 | 1.00 inquarter | 4.93 N Hannover | — | 17:00 local · NCEI |
Cities and towns in Oliver County
| Place | Reports | Largest |
|---|---|---|
| Center | 37 | 2.75 in |
Questions about hail in Oliver County
How often does it hail in Oliver County, North Dakota?
109 hail reports have been logged in Oliver County since 1974. Over the 20 years 2006–2025 that averages 3.0 reports a year. That ranks #46 of 54 North Dakota counties by number of reports.
When is hail season in Oliver County?
Most reports come in June, July, August. June alone accounts for 38% of all reports.
What is the largest hail recorded in Oliver County?
3.50 in (teacup size) on June 27, 2025 near 2.76 S Hannover. 10% of reports here were 2 inches or larger.
When did it last hail in Oliver County?
The most recent report in this data is from June 27, 2025 (3.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Oliver County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 13 reports. The most recent was June 27, 2025.
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.