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Hail in Mahnomen County, Minnesota
102 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Mahnomen County, Minnesota, has 102 hail events in the NCEI record since 1950, with at least one in 31 different years.
August is the busiest month, with 29 of the recorded events. The last 20 years account for 46 events against 50 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 15,756 hail events recorded in Minnesota; its 18.3 per 100 square miles compares with 19.8 statewide.
19 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 2.75 inches (baseball size).
Compared with Minnesota
| Measure | Mahnomen County | Minnesota | US |
|---|---|---|---|
| Hail events since 1950 | 102 | 15,756 | 424,356 |
| Per 100 square miles | 18.3 | 19.8 | 12.0 |
| Per 10,000 residents | 188.4 | 27.6 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | August | June | May |
By year
Seasonality
0Feb
0Mar
0Apr
0May
15Jun
26Jul
23Aug
29Sep
9Oct
0Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 102 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 11 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 29 Sep 2023 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jun 2023 | Hail | 1.00 in | — | — | — | — | County |
| 5 Aug 2022 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jun 2022 | Hail | 0.75 in | — | — | — | — | County |
| 29 May 2022 | Hail | 1.00 in | — | — | — | — | County |
| 29 May 2022 | Hail | 0.88 in | — | — | — | — | County |
| 26 Jul 2021 | Hail | 1.00 in | — | — | — | — | County |
| 13 Aug 2020 | Hail | 0.88 in | — | — | — | — | County |
| 7 Aug 2020 | Hail | 1.00 in | — | — | — | — | County |
| 21 Sep 2019 | Hail | 1.75 in | — | — | — | — | County |
| 21 Sep 2019 | Hail | 1.00 in | — | — | — | — | County |
| 21 Sep 2019 | Hail | 1.25 in | — | — | — | — | County |
| 17 Aug 2019 | Hail | 1.25 in | — | — | — | — | County |
| 14 Sep 2018 | Hail | 1.00 in | — | — | — | — | County |
| 26 Aug 2018 | Hail | 1.25 in | — | — | — | — | County |
| 2 Jul 2018 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jun 2018 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 2017 | Hail | 1.25 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.25 in | — | — | — | — | County |
| 10 Jun 2017 | Hail | 1.25 in | — | — | — | — | County |
| 10 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 28 Aug 2016 | Hail | 1.25 in | $500 | $20K | — | — | County |
| 12 Aug 2015 | Hail | 1.75 in | — | — | — | — | County |
| 12 Aug 2015 | Hail | 1.75 in | — | — | — | — | County |
| 12 Aug 2015 | Hail | 2.00 in | — | — | — | — | County |
| 2 Aug 2015 | Hail | 1.75 in | — | — | — | — | County |
| 2 Jul 2012 | Hail | 1.75 in | — | — | — | — | County |
| 2 Jul 2012 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 2012 | Hail | 0.75 in | — | — | — | — | County |
| 17 Jun 2010 | Hail | 2.00 in | — | — | — | — | County |
| 24 May 2010 | Hail | 1.00 in | — | — | — | — | County |
| 24 May 2010 | Hail | 1.75 in | — | — | — | — | County |
| 19 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 14 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 31 May 2008 | Hail | 0.88 in | — | — | — | — | County |
| 31 May 2008 | Hail | 1.00 in | — | — | — | — | County |
| 31 May 2008 | Hail | 1.00 in | — | — | — | — | County |
| 31 May 2008 | Hail | 1.75 in | — | — | — | — | County |
| 31 May 2008 | Hail | 1.00 in | — | — | — | — | County |
| 31 May 2008 | Hail | 0.75 in | — | — | — | — | County |
| 3 Jul 2007 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jul 2007 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 21 May 2007 | Hail | 0.75 in | — | — | — | — | County |
| 5 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 28 Jul 2006 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2006 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 2006 | Hail | 0.88 in | — | — | — | — | County |
| 13 Jul 2006 | Hail | 0.75 in | — | — | — | — | County |
| 26 Jun 2006 | Hail | 0.88 in | — | — | — | — | County |
| 9 May 2006 | Hail | 0.75 in | — | — | — | — | County |
| 9 Sep 2005 | Hail | 0.88 in | — | — | — | — | County |
| 9 Sep 2005 | Hail | 0.75 in | — | — | — | — | County |
| 8 Aug 2004 | Hail | 0.75 in | — | — | — | — | County |
| 8 Aug 2004 | Hail | 1.00 in | — | — | — | — | County |
| 8 Aug 2004 | Hail | 0.75 in | — | — | — | — | County |
| 15 Jul 2004 | Hail | 1.00 in | — | — | — | — | County |
| 18 Sep 2002 | Hail | 0.75 in | — | — | — | — | County |
| 28 Aug 2002 | Hail | 0.88 in | — | — | — | — | County |
| 26 Aug 2002 | Hail | 0.75 in | — | — | — | — | County |
| 26 Aug 2002 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jul 2002 | Hail | 0.88 in | — | — | — | — | County |
| 25 Jul 2002 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 2002 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jun 2002 | Hail | 0.88 in | — | — | — | — | County |
| 9 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jun 2002 | Hail | 1.75 in | — | — | — | — | County |
| 17 Aug 2001 | Hail | 0.88 in | — | — | — | — | County |
| 5 Aug 2001 | Hail | 0.75 in | — | — | — | — | County |
| 9 May 2001 | Hail | 0.75 in | — | — | — | — | County |
| 2 Sep 2000 | Hail | 0.75 in | — | — | — | — | County |
| 14 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 14 Aug 2000 | Hail | 1.75 in | — | — | — | — | County |
| 14 Aug 2000 | Hail | 1.00 in | — | — | — | — | County |
| 14 Aug 2000 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jul 2000 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jul 2000 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jul 1999 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jun 1999 | Hail | 0.88 in | — | — | — | — | County |
| 9 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jun 1999 | Hail | 1.75 in | — | — | — | — | County |
| 4 Jun 1999 | Hail | 0.88 in | — | — | — | — | County |
| 31 Aug 1998 | Hail | 0.75 in | — | — | — | — | County |
| 23 Aug 1997 | Hail | 0.75 in | — | — | — | — | County |
| 23 Aug 1997 | Hail | 1.50 in | — | — | — | — | County |
| 23 Aug 1997 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jun 1997 | Hail | 1.25 in | — | — | — | — | County |
| 28 Jun 1997 | Hail | 1.25 in | — | — | — | — | County |
| 28 Jun 1997 | Hail | 0.75 in | — | — | — | — | County |
| 28 Jun 1997 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jun 1997 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jul 1996 | Hail | 1.75 in | — | — | — | — | County |
| 9 Jul 1992 | Hail | 1.75 in | — | — | — | — | County |
| 9 Jul 1992 | Hail | 1.75 in | — | — | — | — | County |
| 10 May 1985 | Hail | 1.00 in | — | — | — | — | County |
| 10 May 1985 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jul 1982 | Hail | 1.75 in | — | — | — | — | County |
| 21 Aug 1971 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jul 1967 | Hail | 2.75 in | — | — | — | — | County |
| 21 Jul 1962 | Hail | 2.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Mahnomen County had?
102 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Mahnomen County?
11 Aug 2025 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Mahnomen County?
The hail of 28 Aug 2016, with property damage estimated by NCEI at $500 and crop damage at $20K.
How does Mahnomen County compare with Minnesota for hail?
18.3 events per 100 square miles against 19.8 statewide; the county holds 102 of the state's 15,756 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.