Hail history for Rolette County, North Dakota
Every NOAA hail report filed in Rolette County since 1970, with preliminary National Weather Service reports to November 3, 2026.
Readout · Rolette County
- Last hail
- Sep 5, 2026
- 1.50 in, ping pong ball size · preliminary
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 8 reports
- Largest ever
- 3.00 in
- teacup · Aug 3, 2016
72 reports on 55 days since 1970 · #52 of 54 North Dakota counties
Hail map · Rolette 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 Rolette County
The latest hail report in Rolette County is from September 5, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.75 in on June 2, 2026.
Over the 20 years 2006–2025, Rolette County logged 40 reports on 28 hail days, about 2.0 reports a year. That is about half the median North Dakota county (4.5 a year) and ranks #52 of 54 North Dakota counties for all-time reports. Rolette 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 3.00 in (teacup) on August 3, 2016 near 10.73 NW San Haven.
Reports were up 22% in 2016–2025 (22) compared with 2006–2015 (18). The busiest year was 2016, with 9 reports on 3 days. Hail here peaks in July (33% of reports); 33% fall between April and June.
Reports a year 2006–2025 average
- Rolette County 2.0
- Median North Dakota county 4.5
Hail days 2006–2025
- Rolette County 28
- Median North Dakota county 48.5
Share 2 in or larger of sized reports
- Rolette 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 | 1 | 2 | 3 | ||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 3 | 3 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 5, 2026 | 2 | 1.50 in | View |
| Jun 2, 2026 | 1 | 1.75 in | — |
| Aug 7, 2025 | 1 | 1.00 in | — |
| Sep 18, 2024 | 2 | 1.75 in | — |
| Jun 28, 2023 | 1 | 0.75 in | — |
| Aug 15, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 3, 2016 | 3.00 inteacup | 10.73 NW San Haven | $100K | 15:20 local · NCEI |
| Jul 4, 2016 | 2.75 inbaseball | 9.93 SW Thorne | $150K | 14:20 local · NCEI |
| Jul 2, 2005 | 2.75 inbaseball | 2 W Rolette | — | 20:15 local · NCEI |
| Jul 20, 1998 | 2.50 intennis ball | 3 W St John | $5K | 07:20 local · NCEI |
| Jun 14, 2018 | 2.00 inhen egg | 3.57 SSW Mylo | — | 15:36 local · NCEI |
Size of every report
- Under 1 in 24 33%
- 1–2 in 41 57%
- 2 in + 7 10%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 5, 2026 | 1.50 inping pong ball | 1 NNE Rolla | 23:50 UTC · NWS prelim. |
| Sep 5, 2026 | 1.00 inquarter | 2 SE Saint John | 23:48 UTC · NWS prelim. |
| Jun 2, 2026 | 1.75 ingolf ball | 5.95 E San Haven | 12:55 local · NCEI |
| Aug 7, 2025 | 1.00 inquarter | 1.14 NW Rolla | 16:16 local · NCEI |
| Sep 18, 2024 | 1.00 inquarter | 3.08 NE Belcourt | 18:35 local · NCEI |
| Sep 18, 2024 | 1.75 ingolf ball | 1.94 NE Belcourt | 18:31 local · NCEI |
| Jun 28, 2023 | 0.75 inpenny | 0.83 NNW Belcourt | 16:26 local · NCEI |
| Aug 15, 2022 | 1.00 inquarter | 12.75 NNW San Haven | 07:12 local · NCEI |
| Jul 19, 2021 | 1.00 inquarter | 1.46 NNE Mylo | 17:51 local · NCEI |
| Jul 17, 2020 | 1.00 inquarter | 0.83 SSW Rolette | 13:00 local · NCEI |
| Jul 17, 2020 | 1.00 inquarter | 0.83 SSW Rolette | 12:56 local · NCEI |
| Jun 29, 2019 | 1.00 inquarter | 0.83 SSW Rolette | 06:34 local · NCEI |
Cities and towns in Rolette County
| Place | Reports | Largest |
|---|---|---|
| Rolette | 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 |
|---|---|---|---|
| Rolla | 8 | 8 | Sep 5, 2026 |
| Mylo | 6 | 5 | Jul 19, 2021 |
| St. John | 6 | 6 | Sep 5, 2026 |
| Dunseith | 5 | 5 | Aug 1, 2010 |
| Belcourt | 4 | 4 | Jun 28, 2023 |
| Shell Valley | 4 | 4 | Jun 2, 2026 |
| Green Acres | 3 | 2 | Sep 18, 2024 |
| Overly | 1 | 1 | Aug 2, 2008 |
Questions about hail in Rolette County
How often does it hail in Rolette County, North Dakota?
72 hail reports have been logged in Rolette County since 1970. Over the 20 years 2006–2025 that averages 2.0 reports a year. That ranks #52 of 54 North Dakota counties by number of reports.
When is hail season in Rolette County?
Most reports come in July, June, August. July alone accounts for 33% of all reports.
What is the largest hail recorded in Rolette County?
3.00 in (teacup size) on August 3, 2016 near 10.73 NW San Haven. 10% of reports here were 2 inches or larger.
When did it last hail in Rolette County?
The most recent report in this data is from September 5, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Rolette County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was September 5, 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.