Hail history for Mahnomen County, Minnesota
Every NOAA hail report filed in Mahnomen County since 1962, with preliminary National Weather Service reports to November 3, 2026.
Readout · Mahnomen County
- Last hail
- Sep 3, 2026
- 2.30 in, hen egg size · preliminary
- Hail days, last 5 years
- 7
- since Nov 3, 2021 · 8 reports
- Largest ever
- 2.75 in
- baseball · Jul 25, 1967
103 reports on 68 days since 1962 · #77 of 88 Minnesota counties
Hail map · Mahnomen 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 Mahnomen County is from September 3, 2026. A local roofer can check and document it at no cost.
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What the record says about Mahnomen County
The latest hail report in Mahnomen County is from September 3, 2026, 2.30 in (hen egg size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 2.30 in on September 3, 2026.
Over the 20 years 2006–2025, Mahnomen County logged 53 reports on 37 hail days, about 2.6 reports a year. That is 32% less than the median Minnesota county (3.9 a year) and ranks #77 of 88 Minnesota counties for all-time reports. Mahnomen County holds 1% of all 15,925 hail reports in Minnesota.
5% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Minnesota county. The largest hail on record here is 2.75 in (baseball) on July 25, 1967.
Reports were down 17% in 2016–2025 (24) compared with 2006–2015 (29). The busiest year was 2002, with 10 reports on 7 days. Hail here peaks in August (28% of reports); 40% fall between April and June.
Reports a year 2006–2025 average
- Mahnomen County 2.6
- Median Minnesota county 3.9
Hail days 2006–2025
- Mahnomen County 37
- Median Minnesota county 42
Share 2 in or larger of sized reports
- Mahnomen County 5%
- Median Minnesota county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 2 | 1 | 1 | 4 | |||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 1 | 3 | 4 | ||||||||||
| 2018 | 1 | 1 | 1 | 1 | 4 | ||||||||
| 2017 | 5 | 5 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 3, 2026 | 1 | 2.30 in | View |
| Aug 11, 2025 | 1 | 1.00 in | — |
| Sep 29, 2023 | 1 | 1.00 in | — |
| Jun 24, 2023 | 1 | 1.00 in | — |
| Aug 5, 2022 | 1 | 1.00 in | — |
| Jun 20, 2022 | 1 | 0.75 in | — |
| May 29, 2022 | 2 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 25, 1967 | 2.75 inbaseball | — | 19:00 local · NCEI |
| Sep 3, 2026 | 2.30 inhen egg | 6 S Naytahwaush | 21:23 UTC · NWS prelim. |
| Aug 12, 2015 | 2.00 inhen egg | 3.45 S Naytahwaush | 22:40 local · NCEI |
| Jun 17, 2010 | 2.00 inhen egg | 1.56 ESE Bejou | 14:59 local · NCEI |
| Jul 21, 1962 | 2.00 inhen egg | — | 19:00 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 41 40%
- 1–2 in 57 55%
- 2 in + 5 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 3, 2026 | 2.30 inhen egg | 6 S Naytahwaush | 21:23 UTC · NWS prelim. |
| Aug 11, 2025 | 1.00 inquarter | 0.69 S Naytahwaush | 18:35 local · NCEI |
| Sep 29, 2023 | 1.00 inquarter | 2.07 S Naytahwaush | 07:50 local · NCEI |
| Jun 24, 2023 | 1.00 inquarter | 0.83 SE Mahnomen | 15:37 local · NCEI |
| Aug 5, 2022 | 1.00 inquarter | 4.25 NNW Waubun | 19:15 local · NCEI |
| Jun 20, 2022 | 0.75 inpenny | 0.69 S Naytahwaush | 15:37 local · NCEI |
| May 29, 2022 | 0.88 innickel | 0.83 SE Mahnomen | 05:40 local · NCEI |
| May 29, 2022 | 1.00 inquarter | 5.04 SSW Mahnomen | 05:30 local · NCEI |
| Jul 26, 2021 | 1.00 inquarter | 7.86 NNW Mahkonce | 23:00 local · NCEI |
| Aug 13, 2020 | 0.88 innickel | 0.83 SE Bejou | 21:41 local · NCEI |
| Aug 7, 2020 | 1.00 inquarter | 0.47 E Waubun | 15:55 local · NCEI |
| Sep 21, 2019 | 1.25 inhalf dollar | 7.51 E Waubun | 17:40 local · NCEI |
Cities and towns in Mahnomen County
| Place | Reports | Largest |
|---|---|---|
| Naytahwaush | 13 | 1.75 in |
| Mahnomen | 12 | 2.75 in |
| Waubun | 11 | 1.75 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 |
|---|---|---|---|
| Twin Lakes | 9 | 9 | Sep 3, 2026 |
| Bejou | 7 | 7 | Aug 13, 2020 |
| Elbow Lake | 6 | 5 | Aug 7, 2020 |
| Rice Lake | 5 | 4 | Jun 21, 2017 |
| Beaulieu | 3 | 3 | May 31, 2008 |
| Pine Bend | 3 | 2 | Jun 13, 2017 |
| West Roy Lake | 3 | 2 | Aug 14, 2000 |
| Midway | 2 | 2 | Jun 7, 2007 |
| Riverland | 2 | 2 | Aug 5, 2006 |
| The Ranch | 1 | 1 | May 31, 2008 |
Questions about hail in Mahnomen County
How often does it hail in Mahnomen County, Minnesota?
103 hail reports have been logged in Mahnomen County since 1962. Over the 20 years 2006–2025 that averages 2.6 reports a year. That ranks #77 of 88 Minnesota counties by number of reports.
When is hail season in Mahnomen County?
Most reports come in August, June, July. August alone accounts for 28% of all reports.
What is the largest hail recorded in Mahnomen County?
2.75 in (baseball size) on July 25, 1967. 5% of reports here were 2 inches or larger.
When did it last hail in Mahnomen County?
The most recent report in this data is from September 3, 2026 (2.30 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mahnomen County had in the last five years?
7 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was September 3, 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.